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post #1 of (permalink) Old 09-15-2002, 07:57 PM
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Questions for fuel injection guru\'s

I have a 4.3 (pre-vortech) S-10 Blazer that I got for $50.
I am assuming that the Fuel Injection system does not provide enough fuel for a 401. would there be a way to put in bigger injectors? I don't know alot about FI but I do know that they use the GM system in alot of aftermaket kits. If the throttle body wasn't big enough, could I use the wiring harness, computer, and everything else with a throttle body from a 350 or something?

Sorry for all the questions, but I am just looking for cheap alternative.
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post #2 of (permalink) Old 09-15-2002, 11:54 PM
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Re: Questions for fuel injection guru\'s

Well, here's the problem. The 401 is a V8, and the 4.3 is a V6. There is absolutely no way you could get the manifold to work. Also, I'm assuming it's TBI, not TPI or MPFI, and so the throttle body would probably not fit up to the 2- or 4-barrel manifold on the 401. The 4.3 injection is designed to handle probably not much more than 200 hp, and will make your motor run anemically compared to the carb. Also, the thought of fabricating a wiring harness sends shivers up my spine (Did the S-10 have A/C, auto, or any other drivetrain-related items? Odds are they hook up to the harness and you would have to "fool" the computer into thinking they were there and functioning properly). In other words, I wouldn't even waste my time hacking up the S-10. If you're hell-bent on injection, Holley makes a rather nice and user-friendly Pro-Jection system that will work great on your 401. Good luck!
post #3 of (permalink) Old 09-16-2002, 07:56 AM
Dean
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Re: Questions for fuel injection guru\'s

I'm far from being a FIG, but you might want to check out <a target="_blank" href=http://www.customefis.com>http://www.customefis.com</a> They should be able to tell you how to go about converting your 401 to FI.

Dean
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