C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Oct 13, 2013 | 11:21 AM
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firsttimechevy
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can any one help me decide weather to install a 52mm throttle body or a 58mm on a stock 91 corvette
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Old Oct 14, 2013 | 09:35 AM
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If its stock, I would spend the money elsewhere before replacing the throttlebody. If you just have to do it, go with the 52.
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Old Oct 14, 2013 | 10:29 AM
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Same as I told you before in your other thread...http://forums.corvetteforum.com/c4-t...undecided.html

install, Neither...

The stock throttle body flows enough air to support 400 hp. A 52mm or 58mm throttle body will add nothing to a stock engine.

Exhaust and runners will add maybe, 5hp to your "91" Vette.
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Old Oct 14, 2013 | 10:36 AM
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Originally Posted by GKK
Same as I told you before in your other thread...[url]http://forums.corvetteforum.com/c4-tech-performance/3356850-undecided.html[/url]

install, Neither...

The stock throttle body flows enough air to support 400 hp. A 52mm or 58mm throttle body will add nothing to a stock engine.

Exhaust and runners will add maybe, 5hp to your "91" Vette.
Maybe if he asked again tomorrow he will get a better answer.....WW
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