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Jared trubo build S10 Send your links and I'll add them
Last edited by efi-diy; 12/09/18 09:12 PM.
51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them
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My engine as originally build on the engine dyno - NA. stock intake, stock exhaust manifold, 2 points lower compression (8.2:1) 4200 cams and head porting 350 HP.
51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them
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Here's a really good build of a 4200 going into a 49 Chevy Coupe. He has several videos documenting it. 49 Chevy
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Here's one going into a Checker Marathon. They're not real delicate in their procedure. Lot's of grinding and sawzall work. Checker
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While they aren't inlines. Here's a couple vintage trucks on Trailblazer chassis. Trucks
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FB guy built a 4bbl intake and a dist, for a 4200 4200 4bbl carb and dist
Last edited by efi-diy; 02/09/19 06:10 PM.
51 GMC 4.2 turbo
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I'm working on a '78 280z and HEAVILY considering a 4200 to swap in. Basic parts in concept would be the Atlas, a custom intake, exhaust, cams, etc. Shave the head to increase compression slightly (somewhere between 10.5-11:1), and mate it to a Supra 5 speed trans and some cheap LSD I can find.
Thoughts? Suggestions?
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Love the engine, but isn't it a bigger package?
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Length wise its within 1/2" of a 250
Its as tall as a 292
its wider
It does fit into a AD truck without cutting the firewall with the stock intake installed.
51 GMC 4.2 turbo
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Your going to need a hood bump - the engine is tall.
If your going to do this sign up for the flywheel buy now.
They are not commercially available.
51 GMC 4.2 turbo
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Love the engine, but isn't it a bigger package? Yes but I am not afraid of hacking stuff up and modifying frames. Your going to need a hood bump - the engine is tall.
If your going to do this sign up for the flywheel buy now.
They are not commercially available. I think I'm going to just completely cut out the stock cowl on the hood of the Z, and have the valve cover sticking out the top (or completely flush if possible.
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No personal experience, but IIRC the 4200 oil pan selections are slim and cause interference in many vehicles (center link, steering).
Have you done a mock-up?
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For ready to go oil pans 2 choices: stock or aftermarket rear sump looking in: parts
51 GMC 4.2 turbo
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No personal experience, but IIRC the 4200 oil pan selections are slim and cause interference in many vehicles (center link, steering).
Have you done a mock-up? I haven't even got an engine yet. I've been doing a ton of research first. Not to mention, the whole front end of the car most likely is going to get a tube frame anyway, so I'd be designing one custom regardless.
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For ready to go oil pans 2 choices: stock or aftermarket rear sump looking in: parts I'm not afraid of making a custom oil pan, and in fact this is going to be a high G handling car, so I'll probably end up with a dry sump anyways.
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This was Gary Hart's truck now owned by Sean gmc1 gmc2 gmc 3
51 GMC 4.2 turbo
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(Still) Building a '65 Chevy C10. 2005 4200 w/ Colorado 5spd Rack n pinion steering Porterbuilt coilover suspension Chopped top It's mine 
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Larry/Twisted6 [oooooo]  Adding CFM adds boost  God doesn't like ugly.
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Got the 4200 in the 63 Chevy II stock front end. Now thinking about changing to a m II
Front end. Got computer and wiring from Lime-swap.
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49 chevy styleline 4200 swap. yourube 4200 youtube
51 GMC 4.2 turbo
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That is AWESOME! What a sleeper, I love it!
TT
Keroppi - 1946 Chevy 1/2 Ton Pickup
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Sweet Ride.
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
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292 1966; 3962084 T6G2 Lumped 250 Head 1.94/1.60 gasket matched, mildly ported. LOWEBOY
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Yes it is...! I still think my favorite is the turbo 4200 powered Chevy II wagon drag car....
Class III CNC Machinist/Programmer
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Glen Self had a turboed 4200 in a ChevyII wagon.
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
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That's the same engine Leo bought for his Studebaker if I'm not mistaken....
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Leo had them build him a motor, but yes it was the 4200
Larry/Twisted6 [oooooo] Adding CFM adds boost God doesn't like ugly.
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