[man 1] Whoa!
Back off.
Get out! Get out, Dave!
Save yourself!
How did we get here? Well, let's back it up a bit.
First, I decided to throw the biggest and the most iconic
diesel-only auction of all time.
We got to stay one step ahead of everybody
by taking some of the coolest and most rare diesel vehicles of all time
and putting on the biggest diesel event
probably within the last decade.
But that enough, just build trucks for the auction.
[Heavy D] I also decided I wanted to build a giant stunt vehicle
to help us announce the auction.
Now we're three weeks into our double diesel bi-wheel
and our schedule is up in smoke.
[man 2] That was the motor probably just melting.
-[Heavy D] That was my first runaway. -[man 3] That was?
-Yeah. -[Diesel] Oh, man.
I figured that's why you stayed in the car.
Yeah, he went down with the ship like a true captain.
No way, man. I was out.
But unfortunately, unlike us right now,
time can't go backwards.
And that's why sometimes
you just gotta hit the gas and go for it.
Whoo-hoo!
[playing "Boom Boom Bang" by Diab]
♪ Solo, that's the way I like it ♪
♪ 'cause I'm working on the low-low ♪
♪ Everybody's trying to be somebody ♪
♪ That they don't know ♪
[Heavy D] Guys, we got a problem.
What?
It's kind of a big problem.
So even though our double diesel stunt vehicle
is currently doing no stunts whatsoever,
the auction is still full steam ahead.
[song continues] ♪ They don't want the boom boom ♪
♪ They don't want the bang ♪
♪ They don't want the fire I was... ♪
[Heavy D] In fact, the first two auction build turned out amazing.
But now it's time to do something a little crazy.
Something a little more, shall I say, us.
I looked at the lineup I thought,
there's not a damn thing there
that made us who we are today.
There's no mega ram runners and no pro dozers.
There's no military vehicles.
Now, walk with me. Take a look.
[laughs]
What?
A Gama Goat.
[Heavy D] The cool thing about this is it wasn't listed for sale.
I ended up just coming across a guy
that said he had a cool vehicle.
We went down to the turkey farm
and bought it from him.
The Gama Goat looks like a four-wheel drive pulling a trailer,
but it's not.
It's actually a six-wheel drive amphibious vehicle
that articulates in the middle.
And has front and rear steering.
Which is pretty awesome.
These things were built for the Vietnam War
and they were airdropped into combat.
This vehicle swims, it crawl
It's got a Detroit 353 engine.
Only about 15,000 of these Gama Goats were made during the Vietnam era.
That's why this is actually a pretty rare vehicle.
This is probably the hardest part.
And the reason why we haven't done anything with the Gama Goat yet
is because these wheels are a nightmare.
They didn't have a bolt-on wheel for this.
This is literally all wheel shell
with, like no center mounting branch.
These wheels,
I don't know if you're familiar with split ring wheels,
but they'll kill you.
When guys are inflating them.
This will slip off.
That ring goes up and cuts people's heads off.
I want them gone.
In order for this Gama Goat to be, you know, worthy of our auction,
there's a lot that we have to do.
Somehow... Some way, I bought it this way.
That's not good because this is supposed to be like a boat hole.
This is intended to keep water out.
That's how it floats.
I mean, ultimately, I want this thing to be reliable enough
for the guy who used his trailer to go to IKEA on Friday
and take it up in the hills camping or hunting for the weekend.
Load the kids in the back ready to go.
We still want to make it nice, so you can have
a nice romantic date out on the water with your wife if you want.
This thing has got to be user-friendly,
even though it's possible it's going to be a lot of work to get there.
First, we're taking off the dangerous old split ring wheels
and adding up an adapter so we can use the much bigger rock crawling tire
for more buoyancy and traction.
Then we have to build a custom roll cage
to protect any civilian driv who may buy this thing
and get a little rowdy off-road.
Then we're going to replace the dash,
seal up the main trailer to be watertight again,
reinstall all the missing exhaust
and miscellaneous performance pieces.
Give this thing a new look that will stay true to military history
with a little Diesel Brothers' flair.
Put me in, coach.
Make me the general on this military project.
Are you sure?
I guarantee you put me in charge of this,
it sells for more than you put into it at the auction.
-It's yours then. -Yes!
Listen, it's a pretty big deal
that Heavy D put me in charge of an auction project.
And as general of this build, I'm not going to let him down.
Meanwhile, he can focus on getting that somersault truck to work again,
because if it doesn't roll over soon,
it's going to be Red Beard that flips.
[Heavy D] So the whole purpose of this double diesel stunt vehicle,
as you know, is to get people's attention
and ultimately draw them into our auction.
Rather than just taking video of it and posting it on the internet
like we normally do,
we're actually going to take it to a huge local event,
show it off in front of a bunch of people
so that a bunch of videos gets taken off it,
and then they all post on the internet,
which ultimately gives us that much more viral capability.
That is a great idea.
There's not supposed to be oil on the outside.
[Heavy D] It feels like a great idea, except for the fact that
that event is in eight days
and I'm pretty sure I busted this thing pretty good
during the last test drive.
Daredevil. [indistinct]
[Justin] Pretty certain that the runaway issue was caused
by the crankcase breather.
[Heavy D] Filling the turbine with oil.
A runaway diesel engine is pretty much exactly what you would think it is.
It's literally an engine that is not receiving any input from the driver,
the throttle pedals are not being pushed, and it's still accelerating...
because there's compression ignition
which isn't requiring a spark, which doesn't require electricity,
which means you cut the power,
it's still just going to keep doing its thing
until you either cut off all the fuel supply or all the air.
[Justin] I think with all your hang time trying to get over,
you know, all the oil from the bottom of the motor to the top of the motor,
and as soon as it started going,
it just kept forcing.
We were just about to start it to see if it will actually run.
[Heavy D] If this Volkswagen engine doesn't start back up
after running away on us, we're screwed.
We don't have the time. We don't have money.
The last thing we want to do is take another step backwards.
[engine roaring]
It'll run.
-It doesn't sound-- -Terrible.
Our engine is salvageable and it wasn't damaged too badly
when it ran away.
But in order to get this stunt vehicle ready
to show off at this big local event,
we have a lot of work to do to bulletproof that powertrain
to make sure it has the ability
to actually drive through the hoops.
So we're going to take drastic measures
and install a catch can syst that can prevent oil leakag
when we go upside down.
Take out the old VW clutch
and replace it with a ceramic South Bend clutch
used in high-performance vehicles that can stand up to the heat.
Finally, we'll add tires to the outside of the rings
for better grip as we try to roll the VW inside
to complete the somersault,
along with an eye-catching paint job done by none other than Billy Luber
It's going to highlight the zaniness of this overall design.
Two steps forward, one step back.
Gama Goat!
Gama Goat time.
That is rad.
Come on! Back.
I'm in charge of taking this super rare military vehicle
and turning it into a recreational dream machine.
But step number one of having fun is don't get maimed.
Let's pull the wheel off so we can figure out
how we're gonna change these wheels and tires.
Got to be careful because Heavy D called that the death ring.
When guys are inflating them, this will slip off, the ring goes up
and cuts people's heads off.
[Ryan] So as long as we pull the Schrader valve and the valve stem
and make sure all the air's out of it--
-It should be fine. -it's no longer a death ring.
Oh, amigo.
Ready?
Pull it off. Lay it down.
[Ryan] Wheels off.
Somehow we got to get this ring off.
It looks like there's a big spot to pry on right there.
[sighs]
So to me, this seems like this would be the scary part.
All right.
Now I see why it's called the death ring,
that's [bleep] going to fly up in your face.
Whoa, whoa.
Why's it aiming at us?
Just kidding. I'm fine.
-[Ryan] These ports right here? -[Diesel] Yeah.
[Ryan] This makes me think that that's a drain,
and that's a fill.
-Yeah. -Which means this has oil... in it.
As it should.
Which means this is a planetary gearbox.
[Heavy D] A planetary hub is different than a regular wheel mounting hu
because it has a gear inside of it which works for gear reduction.
But that also means the diameter of the hub is two to four inches bigger
than what the standard hub size is,
which means when your circle gets that big,
you start to run out of room to bolt the wheel onto the hub.
Okay, careful, because these planetary gears might come out.
[Diesel] What?
What in the world.
What...
What do we got?
[Ryan] [indistinct]
Oh, I don't know about that.
So I totally thought I was going to open this up
and it was going to be a planetary gearbox.
But it just so happens that it's a drum braking system.
[Heavy D] So even though the Gama Goat looked like
it had big planetary hubs on it, it didn't.
[Ryan] This is new to me.
I haven't seen this on any of the other military vehicles we worked on,
so we're in a, we're in a new zone here.
It had the big caps and the covers on it,
but those were designed to be basically a watertight housing
with the brake assembly.
You see, the Gama Goat is amphibious.
It's designed to go in and out of the water.
And the last thing you want with drum brakes is a lot of water.
Trying to do a [indistinct] hub for this thing is a nightmare.
Might have a beadlock out back.
Now that we figured out the quirky big drum brake system.
I'm going to take some big off-road tires we have
and mock them up on the Gama Goat.
So we have a better idea of what we need to do
to mount bigger tires on the Gama Goat.
More I look at this, let me see something.
You could
just build a contraption that basically builds off of this,
press some studs onto whatever plate we put on there.
You could build some supports out from here if you need to.
Just like this cradle, kind of, a spider cradle assembly.
Our solution is we are not going to modify the hubs
or the drive train at all.
Instead, we're going to go buy some blank wheel rings
and then basically cut out our own template
in the middle of them to be able to mount our new, bigger wheels
on to the existing Gama Goat suspension,
which means, let's say a military enthusiast buys this thing,
he doesn't like our wheels and tires,
guess what, all he has to do is unbolt them,
sell them for some decent change,
throw the stock ones back on.
So that's why this kind of appeals to everybody.
[Red Beard] I don't know how to drive this thing.
How many people are going to show up that know how to drive it?
Would you like to learn to drive this thing?
[Heavy D] If it doesn't actually do what it's supposed to do,
then this is going to be an absolute disaster.
[indistinct shouting]
[all screaming]
[Diesel] Heavy D decided that our rollover truck and our double diesel bi-wheel
doesn't have enough riding on it.
So of course he signed us up to do it
in front of a live crowd in less than a week.
The problem is, during our last test drive,
all of the oil that drains out of the turbo,
just using gravity...
Well, gravity pulled it the wrong way
and it went back up into the turbo,
which ultimately sent it bac into the intake,
which provide a fuel for the engine to want to run away.
So tan-ta-da-dan, the Muscle and I on our way
to pick up a catch can.
Catch cans are using high-performance vehicles
between the crankcase ventilation system
to catch the oil before it's recirculated into the intake.
[Muscle] I can get a catch can anywhere,
but you know, Mat from Mat's restoration.
Mat's place has some awesome vehicles...
That he was saying.
...that I would love for you to see.
[Diesel] Mat helped us put a price on our chop top VW Rabbit.
[Shane] Honestly, it's a really nice little truck.
-Don't be surprised if he's bidding at the auction. -Yeah.
[Diesel] He builds all sorts of restored vehicles,
so he's used to some unusual stuff.
Oh, Mat, you've got a paradise here, man.
Hey, how you guys doing?
So, remember I talked to you about getting a catch can?
What... What are you going to use that for?
We're creating a promotional vehicle for our auction,
a circle with two Volkswagens
that actually rotate inside that circle.
And as they rotate, the circle goes forward.
So this is why you need the catch can.
-[Muscle] Exactly. -Well, speaking of your auction,
we'd like to see if we could get into your auction.
-What? -Really?
-[Shane] Yeah. -Yeah.
-And it's diesel-powered. -[Muscle] Let's see it.
Wait. Did Mat just say that he has something for auction,
like some sort of consignment?
Plot twist.
Here's what I'm wanting to throw in your auction right here.
Oh, my man.
It's a '52 International short box pickup stepside.
It is diesel-powered.
[Muscle] All right.
[Shane] The original motor would have been a flathead four-cylinder.
Okay, you're talking probably maybe 30 horsepower top.
This is a 6.2 out of a 1980 Chevrolet Blazer.
So the unique thing about this truck
and why I think it'd be great for their diesel auction,
it's an old International which is, you know, are rare.
It's a pickup truck which, you know, are popular.
Got the old and the cool mixed in with modern, dependable drivetrain.
So with having that package together,
it just makes a nice little truck.
I don't think anyone is crazy enough to put this diesel motor
in a truck like this,
so this may be the only one on the planet.
The fact that the Muscle is so insistent on picking up parts
from places that have really cool vehicles...
you know, in the past I was like, he's just wasting time.
[Muscle] Here we go.
But now I finally catch his vision.
I understand why he does it.
Never in your life have you heard
an International coming your way that sounds like this.
To be fair, I've never heard an International coming my way.
Although I might make an auction bid on this myself.
[Heavy D] The fact that he was able to get Mat
to consign this awesome truck to the auction
while he was just gone picking up parts from him,
that's a big deal.
Yeah.
Thumbs up, my friend.
Thumbs up.
So is it auction-worthy yet?
You know what? It is.
What are you trying to get out of it?
Well, I'd like to get about 16.5.
Well, I think it's worth that all day.
It's going to put a lot of pressure on me.
-It's going to put a lot of pressure on you. -I know.
[Diesel] Because the auction has to be off the hook,
not just for our sakes,
we're putting other people's vehicles in
other people's investments, other people's money.
And if it flops,
we are going to look stupid.
Man, now, you got me all nervous.
We got to announce the auction first.
We can't announce the auction until the stunt vehicle is done,
which means, I've got to get that catch can.
-Hopefully... -[Diesel] My man.
...that will work for you.
[Diesel] That is exactly what we need.
Hey, thank you, guys.
-[Mat] Thank you. -[Shane] Yeah. Appreciate it.
We'll see you soon.
[Mat] All right, Shane, let's get the guys on this thing
and detail it and ready to go.
[Ryan] The reason I got to replace this dash
is because this is bent right here where the windshield goes.
And I need that windshield on there
to start making the roll cage for the cav [indistinct].
[Diesel] We've been conquering a new but familiar territory
with our latest auction build.
A 1971 All Terrain Gama Goat.
The Gama of Goat is a super rare Vietnam era amphibious vehicle.
[Ryan] Check those honeycombs out.
[Diesel] While we wait on the new wheels to come,
we're going to modify that's going to allow us to run bigger, wider tires.
Morgan and I are working on another safety issue.
A new design for a roll cage,
that way it will make it more family-friendly for the average civilian
who wants to push the limits of its amazing off-road capabilities.
I want to make the roll cage steel.
So it's really strong, obviously.
So I have to bolt it. I can't just weld it on.
So I'm going to mount it to the face.
I'm going to bend up toward the top of the windshield.
Right at the top of the windshield.
I'm going to make another bend,
come back, one more bend, down.
All that steel in the roll cage,
you're gonna make it too heavy to float?
I hope not.
We're going to build a roll cage.
Why would we not build it strong enough
to actually protect us if we did roll?
Dave, please tell me that this is not another one
of Heavy D's personal military builds.
No, man. He's doing this for the auction.
We're doing a diesel truck auction.
It has a diesel in it.
What do they even call it, the--
[Diesel] Gama Goat.
The Gamba Go... Gamba Boat.
[Diesel] No, Gama Goat.
A Gama-- That doesn't even make sense.
I don't know how to drive this thing.
How many people are going to show up that knows how to drive it?
Would you like to learn to drive this thing?
[Red] Heavy D knows we're not going to be able to sell,
and so he gets to keep.
This is a pattern as old as time.
[Heavy D] We got a problem.
We can't give this truck away.
We spent all our money. We're going to have to give it away.
As long as you've seen me on the show,
this has been happening.
I'm going to go figure out what the hell's going on.
[Diesel] Should... We should continue?
[Red] Yeah. Do whatever you're doing.
Thanks for the visit.
[Heavy D] So now we have not only our own auction builds on the line
but also Mat's consignment.
We are like under an extra heavy amount of pressure
to get this double diesel stunt vehicle
ready to be able to announce the auction.
Not to mention, they will be attempting it in four days
in front of a huge crowd.
That's why we got Justin right to work
on installing the catch can that Diesel Dave
and the Muscle brought back.
Secured, mounted, and ready to catch the oil.
[Heavy D] Hopefully next time we go upside down,
all that oil in the crankcase and the pressure that builds up
doesn't immediately shoot back into the intake
and cause another runaway.
To get all the power to the wheels without overheating,
we bulletproofed it by putting a South Bend ceramic disc clutch in it.
We also threw tire treads on the outside of the ring
so that it's smoother and more maneuverable.
I mean, really...
All that's left to do is one more test drive.
Notice how I said just one more test drive.
♪ See your eyes staring straight at me ♪
♪ Man I know you like what you see ♪
[song continues]
♪ You're good to go. ♪
[Heavy D] All right.
Because that's all we have time for.
This has to be it.
Third time's a charm.
-[Muscle] She's very smooth. -Yeah, that's that new clutch.
[Muscle] Very smooth.
[Heavy D] Clutch feels much better.
[Diesel] Much better, huh?
[Heavy D] We're to the poin where it just has to work
because all the time, all the money,
all the resources, all the energy,
all the brainpower that's gone into this,
if it doesn't actually do what it's supposed to do,
then this is going to be an absolute disaster.
[indistinct shouting]
[all screaming]
[Heavy D] So it's our last test drive of the stunt vehicle
before we take it and announce the big auction
in front of a huge crowd in a few days.
And honestly, this is kind of our last hope of this thing doing a full somersault.
[indistinct shouting]
[all screaming]
[Diesel] Oh, come on.
[Muscle] Dang it, dude. You got to throw the brake.
[Heavy D] I'm throwing as hard as I can, dude.
-I just don't think it's going to pull. -No?
[Diesel] Yeah! Come on, baby.
-[all screaming] -[man 1] Come on, D.
[Muscle] Come on, dude.
Man, she just got lost.
[Heavy D] I saw a lot of oil come out on that.
[Diesel]That was a lot.
Oh, I quit...
[Heavy D] So, unfortunately, the new catch can was a total failure.
And that means we're going back to the drawing board
to figure out how to overcome gravity
with this freaking oiling system,
which is causing us so many issues.
But even if our stunt vehicle is stuck in a rut,
the auction builds go on
and we are charged with the task
of turning a giant super-sized Gama Goat
into an accessible aquatic dream.
I already loaded a piece of two inch 120 wall DOM.
As general of this build, gonna lay some groundwork
and work with Morgan on designing a new roll cage
that would take this piece of history into the future.
We've got to get this cut.
We'll get it bent, and then we'll fit it up on there and make sure it fits.
No turning back.
These first two pieces we're cutting and bending are very critical
because I designed these pieces
to not only clear the windshield...
All right, these are our two mains.
...but they're also going to attach to the windshield
to give that windshield support
and also to protect the people and the passengers inside.
All right. Fingers crossed.
-[Diesel] Come on, baby. -[Morgan] We got it bent.
But now, will it fit?
Oh, I'm looking good up here.
Looking good. Balance it.
Check that out.
Intersects with the windshield exactly where I wanted it.
In order to provide even more strength
in the unfortunate event that this thing rolls over,
I'm going to cut and cope and add crossbars.
You want to pick the nodes where you think the most strength is going to be
and then you want to transfer the energies.
-Special delivery. -Wow!
The presidente.
I like it, a lot.
Because it still feels
like rugged and military,
but it also feels safe.
The roof will be aluminum,
eight inch aluminum that's going to come down.
That's why there's no pipe here.
I'm going to come down, bend back and then tuck it behind here,
holding these original bolts.
That way, if you do want the windshield off,
you can still undo all the wing nut bolts.
So the new roll cage looks amazing.
We're going go ahead and grab some new batteries
and just give it kind of an overall tune up
since this thing hasn't been driven in over a year.
[engine sputters]
Jeez.
What is leaking?
Fuel line?
Sound like it wants to start, but it looks like it has a little bit of a fuel leak.
So until we can get that fuel leak fixed,
uh, it's not going to start.
-Try again. -In gear again.
[engine starts]
Woo-hoo!
Wow!
[Diesel] That's what I'm talking about.
Really?
[Diesel] Put that tire back on. Let's go for a drive.
Yes.
What are you looking at?
This thing just sound...
What are you looking at?
All of our money is in there?
-All of our money is in there, yeah. -All our money is in there?
-No. -Thing thing's a--
We can probably sell this for $30,000 at the auction.
It's not even a real truck, it's military vehicle.
I don't even know if it's street legal.
You can't drive it on the road.
Where are you going to drive it?
We're making it for somebody who would actually use it or for military enthusiasts.
Yeah.
So how many military enthusiasts are coming?
Probably quite a few, now that we have this for sale.
This is a vintage piece of American military history
which is now being modified to be driven or operated by pretty much anybody.
I mean, it doesn't get any better than that.
And I know that when people see this,
they're going to lose their damn minds
because it just looks so frickin' cool.
And not only that, it works.
We are down to the wire
on getting our double diesel bi-wheel to turn over.
[Muscle] Come on, dude.
Man, she's just not going.
Well, I quit then.
And really, the entire build is hinging on Morgan's shoulders.
He needs to come up with a new design for the catch can
because last time it filled with oil,
which led to disaster in our last test run.
Whoa-ho!
-What's up, gentlemen? -What are you doing?
Making a catch can.
[sighs] Okay.
[Ryan] We're trying to do something with this vehicle
that it is not designed to d which is go upside down.
I saw a lot of oil come out on that.
That was a lot.
[Ryan] Turns out the smaller oil catch can we put on there,
it's also not designed to go upside down.
So I'm building a much bigger one
that's going to sit at a different angle inside the engine bay
to make sure we catch all that oil.
Ready?
I introduce to you the cylindrical
two-wheel parallel to axial...
Catch canical.
...catch canical.
Oh, wow.
We got the engine.
The engine's full of oil. The old catch can was mounted like this.
If we come around to where the vent is, look what happens.
Oh, no, man. Come on, my boots.
Now, up here, we have the axial catch can.
The reason I've been calling it axial
because every cylinder has an axis.
-Okay. -So the axis is the center point.
Okay.
This is the center point of this cylinder.
Okay.
-And this is the center point of the car. -Okay.
When we've been trying to go, our parking lot has been a little bit too short,
but we kind of get up like this.
Oh, we almost make it.
We almost make it. We almost make it.
-And then we come back. -[Muscle] Oh.
[Ryan] But check this out.
-Once we get back up... -[Muscle] Now the train's back in.
[Ryan] ...all of the oil returns
and the catch can is now empty.
So going axial gives us
the entire bottom half of the cylinder to fill up
before it actually leaks out of the vent.
Before I install this catch can in the car,
I got a drill a couple of holes for the vents,
one of them for the vent coming off the crankcase
and one for the return line.
Then I'll weld the top on and see how it fits inside the car.
This is the highest point of the engine that this thing actually fits,
so this return line will end up getting cut
and mount to that bottom one.
This line here,
will go to that one.
All right.
What are you doing?
-I am washing my hands of this. -Why?
Because we're not going to know if this works
until the day that we debut this.
So I have enough faith that whatever you're going to finalize with this
is going to work the day of the reveal.
Hands are washed.
Get this in. Get it done.
And let's get going now.
[Heavy D] We have still not successfully made the stunt vehicle
do a full flip.
-Hey, buddy. -Hey, pal.
-What's up? -Roll...
[crowd] Over.
-Roll... -[crowd] Over!
[Diesel] Please!
That is a really, really wide wheel.
We're turning one of the coolest,
the rarest six-wheeled articulating wonders,
the Gama goat, into a family -friendly off-roading fun machine.
The problem was it came with super funky,
airtight braking system that allowed it to go in the water.
But it meant you had to run these weird split ring wheels
that are no bueno when you got to change the tire with little Timmy.
The biggest problem with this will was this lock ring.
You take this to a tire store,
they're not going to be quite so sure what to do with this.
No idea.
So to make these wheel hoops mount to the Gama Goat hub,
I need to make a wheel ring
with the same lug pattern that welds inside the hoop
so it will bolt up to the Gama Goat hub.
We're going to do a test piece.
I've got to mount that big old tire on there.
We've got to make sure that this fits
because I cannot afford to have this not turn.
So I need to mock up, this wheel ring inside the wheel hoop
for several reasons.
One of the reasons is so I get the back spacing correct.
Then burn it myself [indistinct] little toasty.
It looks pretty good, man.
So the back spacing on this is really important
because if I go too far in...
I have a chance of hitting suspension components
or the inside of the fenders
or the tub of the Gama Goat itself.
All we've got to do now is go put a tire on this bad boy.
This is a really big tire.
This is probably bigger than we would ever put on a pickup truck.
Oh, here we go.
This is an amphibious vehicle.
Man, that's looking pretty sketchy how close that is.
The size of the tire, the more air that tire can hold,
the more buoyant the vehicle becomes.
So I know Heavy D is going to want to stay
with this large tire.
To the left, let's see if it clears on the back first.
Oh, we're getting close.
Oh... Half inch.
-That's locked out. -[Ryan] That's full lock?
So we got the wheel and tire mounted on the Gama Goat.
It clears, but we're pretty much at full droop right now.
What I'm getting now is a little bit of what's called steering scrub.
So the tires actually swinging as it's steering
and that's pushing it harder into the fender.
[Diesel] Yo, yo, yo.
Hey.
Why don't you head on back to Mor-Gyver over there
and see our dilemma?
So it looks pretty sweet, right?
[Diesel] It looks really sweet. That's gnarly.
[Ryan] But look, what's happening as he's turning it.
See the issue there?
Yeah. You're probably going to hit there.
[Ryan] It's not hitting currently,
but as soon as the suspension cycles
that's going to flex.
So we're talking about...
[Diesel] A clear up to here...
[Ryan] ...clearance on this thing like this.
[Diesel] All right. So basically, we have two options.
We can run smaller tires or we can cut into the fenders
to make room for the bigger tires.
Smaller tires.
-Not ideal, right? -No.
So we're going to cut in the fender,
but there's a lot of risk involved,
because if we make a mistake on the super rare machine,
there's no going back.
There's only 15,000 of these awesome Gama Goats roaming the earth.
What is your decision?
There's one thing we know about our friend Heavy D, what is it?
He likes to hack things up.
Who knew surgery could be so much fun.
I say we hack here all the way to the top, make it look good.
Make a clearance for this giant tire,
because in the end, that's what he's going to want.
And we got to give the man what he wants.
-That was definitely the right decision. -Thank you.
But, you know, if it rubs that much on the rear,
you know, there's no way it's going to clear on the front
where it steers even tighter.
No one said it would be easy. They only said it would be worth it.
They did say that.
You know, the guys in the shop have been going crazy
trying to get the double diesel stunt vehicle ready to go.
We got the new catch can installed
along with a bunch of other tweaks and modifications that we needed to make.
And just like that, along with pretty much every other build we ever do,
we're down to the wire on the somersault truck.
That's why we have our secret weapon, Mr. Billy Luber,
to throw down some beautiful spray paint on this build.
Only one thing left to do.
[all cheering]
Yeah!
Party!
[Heavy D] Today is the culmination of many weeks' really hard work,
because what we're going to do is take our brand new insane bi-wheel stunt vehicle
and unveil it in front of a crowd of peopl
here at a local Utah event called FitCon.
You want to tell them why we chose a fitness expo
to reveal our stunt vehicle?
I would love to tell them.
Who do you know, out of different groups of people,
spends the most amount of time online
showing things like body parts and cars and like,
you know, I think the kids call it flexing for the gram.
-Yeah. -America...
are you ready?
[all] Yeah!
Morgan, release the beast.
Woo-hoo!
And I'm the general of the Gama Goat,
I'm also the most knowledgeable.
-Really? -Yeah.
-You want to know a fun fact? -What is it?
Do you know who invented the Gama Goat?
Uh... I'm drawing a blank.
The inventor of the Gama Goat is none other than Roger Gamount himself.
-Roger Gamount? -Yeah.
I don't know for a fact if I'm pronouncing that right or not,
but they took that last name and they said Gama.
Then they said, "What can this vehicle do?
What is it most like?" And they said, "The mountain goat,"
'cause they can go anywhere, do anything.
So they took Gama from his name,
Goat because of its mountain goat like qualities.
And ta-da, you have the mountain goat.
The mountain goats are probably the most impressive animal.
Can mountain goats swim?
Don't know.
America, are you ready?
[all] Yeah!
Morgan, release the beast!
Woo-hoo!
[rock music playing]
Heavy D.
Have you guys ever seen anything like this?
Ee-hoo!
[indistinct shouting]
Here we go.
Hey, Heavy D, do you want to step out here
and tell the people what they're looking at?
What's up, America?
I'm proud to present
one of our most wild creations we've ever built.
We have a VW Rabbit on the bottom
and an almost identical VW Golf on top.
We tied both cars together with a DLM tubing
to eliminate the vehicle's suspension
and basically have it rigid inside those two rings.
And we widened the wheel offsets
and put 14 inch trailer tire and wheels.
So in order to protect the engine,
we added a catch can we add a turbo for more power.
We added a South Bend ceramic disc clutch
to be able to handle all that power in the drivetrain,
and we also added the completely custom
cutter brake system for the steering.
We also threw some tire trea on the outside of our giant steel rings.
After all that was said and done,
we let Billy Luber put the cherry on top
with one of his incredible hand-drawn paintings.
And now it's ready for the dance.
Basically, guys, what's going to happen here is
these vehicles are going to drive inside the wheel of death.
It goes up and down and rocks back and forth.
And the goal here today is to do a complete somersault.
And if we do, well,
then we're just going to keep on doing it
because it doesn't have any brakes.
Buckle up, America.
[crowd cheering]
FitCons, are you ready?
[crowd cheering]
Roll over.
-Roll... -[crowd] Over!
Please. [laughs]
Please?
[Heavy D] This is literally what all-in looks like.
We have still not successfully made this stunt vehicle do a full flip.
What happens if it doesn't turn over?
-Like-- -[man 4] We do.
[Heavy D] But now we've decided that
we're going to do it for the first time
in front of a giant crowd of people in a very narrow alleyway.
If it goes wrong, we're gonna get a lot of attention,
but probably not the right attention.
-Hey, buddy. -Hey, pal.
What's up?
Let's go!
[man 5] Whoo-hoo!
[crowd cheering]
[engine revving]
[Muscle screaming]
Yeah!
[crowd screaming]
Boom! There you have it, America.
With that beautiful first somersault,
our diesel-only auction is officially live.
[Diesel] Yeah!
[Muscle] Whoo-hoo-hoo!
Yeah! It worked!
-Backwards. -All right, here we go.
There it is.
Funny.
[Muscle] Yeah!
We did it again.
Wanna go for a double?
Yeah. We did it!
Going for two. Going for two.
No, don't.
[crowd cheering]
[Muscle] Come on, baby! Come on, get it. Get it!
-[Diesel] Roll... -[crowd] Over!
[indistinct shouting]
Yeah! Yeah!
[indistinct shouting]
Holy [bleep].
[all cheering]
[indistinct chatter]
-We did a double. -Yes!
-That was two! -Yes!
That was two.
[Heavy D] We were nervous for no reason.
That thing went out there, shined like a star.
I don't get surprised easily. I'm shocked right now.
Like... And it still works.
And now the whole world knows about it.
And shortly after, they'll know about out diesel-only auction.
Hey, guys, I hope you enjoyed
and stay tuned for the Diesel auction.
[all cheering]
We are to the point where we got to pick up the pace
around the shop with all these builds.
If we're going to be able to have not only a big,
but ultra-badass auction.
And now I better get cracking on the Gama Goat
because, my friends, the pressure is real.
I found an auction vehicle.
Hold on.
Since when did you start buying auction vehicles?
You pay attention, you might learn something.
Take it easy.
Whoa. A taxi cab.
Where did you get this outfit?
I'm the only one dressed to get work done here.
I got no steering.
What do you mean "no steering"?
We're about to take a 9,000 pound all-metal vehicle...
Float, float.
...in the water.