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Project 4.3 Vortec turbo

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Old Jan 23, 2014 | 02:50 PM
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Default Project 4.3 Vortec turbo

How's it going everybody.

I have a few questions; 1. what size turbo would you recommend to run 5-88 psi?

2. I'm going to be running it on a Chevy 4.3 throttle body injected motor is it possible to run 350 fuel injectors and an adjustable fuel pressure regulator to balance out the fuel / air ratio?

Thanks for the help everybody.
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Old Jan 26, 2014 | 10:16 PM
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marine intake. then put whatever injectors you want
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Old Jan 26, 2014 | 10:57 PM
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Whistle Truck Guy
 
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5-88psi? That's quite a spread there my friend... LoL Im guessing you meant 5-8?
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Old Jan 27, 2014 | 12:55 AM
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Originally Posted by camd01silv
5-88psi? That's quite a spread there my friend... LoL Im guessing you meant 5-8?
Yes, he said so in another thread from a different group. We sent him over here for turbo size opinions, I would have helped, but I'm still very stupid when it comes to this stuff lol.
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Old Jan 27, 2014 | 04:24 AM
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I used a mpt-70 on the 4.3 build I did. Worked great, the motor and map are a perfect combo.
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Old Jan 30, 2014 | 12:19 AM
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yes I did mean 5 to 8 psi not 88.

also will exhaust manifold off of a GMC Syclone work on my regular 4.3?

I may just buy a set of cheap headers and have my exhaust guy weld something up to mount a turbo and crossover pipe
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Old Jan 30, 2014 | 12:48 AM
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The s10 guys used sy/ty manifolds occasionally. I dont think the crossover worked though.
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Old Feb 1, 2014 | 02:55 PM
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On the silvy I did we used the stock syty mani's and cross over. Then welded an external gate to the crossover with a dump pipe coming off.
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