LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Throttle body ????

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Old 05-03-2011, 04:55 PM
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Staging Lane
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Default Throttle body ????

Will adding a 58mm throttle body add any noticeable hp/tq and does the brand of the tb matter if so witch ones are good/bad? Thanks
I plan on getting a different intake in the future also.
94z28a4
Old 05-03-2011, 05:00 PM
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If you get a ported intake with the throttle body ports opened up to 58mm you should be able to feel some nice power and basically all of the throttle bodies will give the same power
Old 05-03-2011, 05:26 PM
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what're the rest of your mods? you most likely dont need a 58
Old 05-03-2011, 06:06 PM
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Originally Posted by 94gt8er
Will adding a 58mm throttle body add any noticeable hp/tq and does the brand of the tb matter if so witch ones are good/bad? Thanks
I plan on getting a different intake in the future also.
94z28a4

make a sig. on a stock lt1 i don't see any gains. port the throttle body when/if you port the intake
Old 05-03-2011, 06:26 PM
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You most likely wont need a 58mm throttle body until you have a cam, heads and perhaps even bored/stroked.
Old 05-03-2011, 06:27 PM
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It might feel a little different, but as far as adding power, I don't think there will be much (if any) gained.



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