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Old 10-13-2018, 05:02 PM   #1
checksix!
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turbo 4.3

can you run a blow through turbo thru a 93 tbi, necessary mods? recommended turbo size. looking for around 100hp gain , maybea little less

thanks, dave
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Old 10-13-2018, 06:58 PM   #2
AussieinNC
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Re: turbo 4.3

Put a 350 in it!
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Old 10-13-2018, 09:14 PM   #3
mikebte
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Re: turbo 4.3

I believe your referring to modification of the TBI housing. It should not be an issue but the stock TBI is limited in CFM. May try a 454 housing with the correct injectors meating your fuel requirements or maybe move to an aftermarket injection system with more flow.
I would go aftermarket due to the availability to monitor and modify the programming. TBI can be modified, but that’s a completely different learning curve. Lots of info on http://www.tbichips.com

What mods are currently done? I see most the time you can get more horsepower out of a properly built engine then you can a turbo, this due to turbos being installed on stock platforms.

If your looking for power I always recommend a good engine, turbos are best used on built engines.

Last edited by mikebte; 10-14-2018 at 09:44 AM. Reason: Spellin
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Old 10-17-2018, 07:16 PM   #4
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Re: turbo 4.3

You wanna spend thousands on an old v6 power truck to gain 100hp?
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