1972 c10 conversion to a LSA powered k20 build thread
 

We just got this c10 project into our shop "MetalWorks" in Eugene, OR.

We will be taking this stock 72 Chevy 2WD and converting it into a 4x4 that is powered by a new GM Performance supercharged LSA engine connected to a 4L85 transmission.

Check back on our progress...should be a fun one.

You can also see updates at our site: http://metalworksclassics.com/

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

We got busy at the tearing the 72 down right away so it could head off to our in house acid dipping facility.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Here is the new drive line...6.2L supercharged LSA engine that delivers 556 horsepower, and a 4L85 trans...

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Here is the cab when it came back from our acid dipping shop. The cab is very solid and straight, we only had to reform a few small patch panels. The outer rockers were very nice, but we will be replacing the sill plates.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Next was removing the 2WD tranny cover in preperation for a 4WD style.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Looks like a cool project! looking forward to see more of it...

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Them Lsa engines are sweet. Debated finding one for our 70 chevelle convertible. This will be a sweet ride. Trevor

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

The rest of the truck's components are back from our acid dipping facility...this is one nice and solid truck...one fender has some old work that reviled itself, but overall the truck is in great shape.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

We took delivery of the 4X4 chassis we will be using under the 72...looks like a descent stock frame.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Subbed! This aught to be fun! I always wondered why there was never a lot of supercharged k20s.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

A few pics showing the work done to the firewall...we filled in some extra holes, then smoothed off were the heater core was as we are installing a Vintage Air unit.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Though the truck's body was very solid, it had some previous work hidden under its paint that had to be addressed. Off to body work next...

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Very nice build.

You had me at "4x4 supercharged LSA" !

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Looking good.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Test fitted the LSA engine today for clearances...looking good.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

This one should be fun

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

I'll try and not bore everyone with body work...but I'll show a little of what happens...here were putting on the first coat of primer.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Looks Great. This is one of my favorite builds! Going to be one bad ass street 4x4s....

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

What transfer case are planning on running?

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Thanks, yeah it's going to be a sweet truck...We will be running a NP 205 transfer case.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

With components in various stages of body work we test fit the cab to the 4x4 chassis.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

So What's the plan for T-case that 4L85 is for 2wheel drive. Or are going with a divorce case. love the engine.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

DWilbur...the Trans and Transfer case have been adapted to work with each other using a kit from Advanced Adapters...sorry, I should have mentioned this before.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Nice set up for the T-case. I went with NV4500 and Atlas 4.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

A new headboard was installed on the truck bed, then the bed was test fit to the cab and frame.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Hung the rest of the major sheet metal so we could lay out the Cheyenne trim...lots of holes drilled!!!

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Man that is going to be one sexy truck!

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

While it is still at this stage, you guys misplaced the "super" emblem on the driver's side. Common mistake seen on restored trucks. It always goes under the Cheyenne portion of the emblems on both sides, not more on the right hand side. Just thought I'd help ya out ahead of paint. Trevor

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Project is looking good though.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Is it going to be stock height or is there plans for a lift? And if lifted what tires/ wheels will you guys be using.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

The truck will be getting a 4" lift kit, and I believe the tires are 285/75/18...they are at the tire shop right now, so I can't look...but I do know they are 34" tall.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

We trimmed, and capped the front fenders for clearance.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Put in the new 4" lift springs, then mocked up the motor and transmission.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

is that a 73-87 chassis?

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Nitis...no, the chassis is a 72 4x4.

Thanks

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Maybe I don't understand. The LSA is just like any of the other LSX blocks right? How are you mounting the engine thought you needed a modified crossmember

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

The engine compartment was then mocked up with the radiators, fans, and other misc components for clearance and mounting points. The guys also fabricated a custom engine cradle for the LSA.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Nitis...yes, ha ha...you are just one step ahead of me...here is the custom engine cradle for the LSA engine.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Here is the custom engine cradle for mounting the LSA engine.

Re: 1972 c10 conversion to a LSA powered k20 build thread
 

Ok though maybe you found a top secret way. This amongst other things is why I'm leaning away from an lsx swap. Wish I had your tools and skills. That is gunna be one sweet ride