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

52mm throttlebody

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Old Nov 21, 2008 | 12:02 PM
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clwz28's Avatar
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From: Sulphur Springs ,tx
Default 52mm throttlebody

Anybody seen any improved tracktimes?are they worth it?
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Old Nov 21, 2008 | 12:18 PM
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LS1 SPEED's Avatar
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I do not feel you will really see any gains with your current setup. I would suggest some porting/cleanup on the stocker.
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Old Nov 21, 2008 | 12:37 PM
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From: Oregon Grown
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Not really worth it from what you have listed in your sig...If you were going to build I would suggest a 58mm
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Old Nov 21, 2008 | 12:48 PM
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not much your stock one will support up to say 480hp with your current setup stick with the stock one and put that $200 towards some suspension....
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Old Nov 21, 2008 | 03:15 PM
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I've been wondering if it was worth it on a bolt on car. I know the bolt on record is held by a stock throttle body LT1, so it must not gain much. I saw dyno #s from a buddies h/c LT1. Same day, same dyno, 5 mintues to change from stock to 58 mm and it picked up 4 rwhp. In my opinion, not alot for $300.
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Old Nov 21, 2008 | 05:40 PM
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Originally Posted by LT14LIFE JT
I've been wondering if it was worth it on a bolt on car. I know the bolt on record is held by a stock throttle body LT1, so it must not gain much. I saw dyno #s from a buddies h/c LT1. Same day, same dyno, 5 mintues to change from stock to 58 mm and it picked up 4 rwhp. In my opinion, not alot for $300.
Only reason he should have seen gains was if the stock throttle body was restricting flow. At least theoretically
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Old Nov 21, 2008 | 07:28 PM
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From: DetroitRacing.com
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you really wont see any gains at all unless you're pushing enough air through it and it becomes a restriction. For your mods, it is not restricting airflow at all. At part throttle it may seem like it made a gain because at the same percentage throttle input the larger one will let in more air
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