4.3 S10 Turbo

112135 Views 15 Replies 10 Participants Last post by thehemi, May 10, 2011

fenderbender

Discussion Starter · Jun 5, 2008

Has anyone ever done that before? I mean a pretty simple turbo kit, pushing around 250-300hp, enough to move pretty quick, but not to much to tear the truck to shreads.

I've come into some money and was thinking about doing this.

I know some of you will say just put in a 350, but I've heard some horror stories about that at the dealership where I work, real pain in the groin as I've been told.

Would it be just as easy to buy a turbo and do it myself? I'm fairly mechanically inclinded, all I don't know a whole lot about is what injectors to use and how to reprogram the computer.

Thanks for all the help in advance!

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thehemi

· #11 · May 6, 2011

fenderbender said:
Has anyone ever done that before?

Yes, it's been done...

Here's the high points:

Relocate battery
Walbro fuel pump
Marine intake manifold
SyTy exhaust manifolds
SyTy turbocharger
Custom downpipe
HPTuners PCM tune

Sorry to revive an old thread, I came across it on Google.
Thought I might interject the highlights for folks interested.

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thehemi

· #12 · May 6, 2011

SuperSS27 said:
Fueling is the main issue with the 4.3L. There are no aftermarket injectors you can upgrade to.

The marine intake swap isn't too bad.
I run some overkill MotoTrons on mine.

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thehemi

· #14 · May 9, 2011

Smaart Aas Saabr said:
If no other injectors fit couldn't you just drill the holes bigger or sleeve them down?

I don't think so, have you ever seen a 4.3 injector setup?

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thehemi

· #16 · May 10, 2011

Smaart Aas Saabr said:
Can't say I have, the one I always screwed with was a TBI... what is special about it?

The swap to the marine MPFI intake isn't very hard, and you get the ability to run any standard injector you want.

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