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

which throttle body size

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Old Feb 27, 2005 | 02:06 PM
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Default which throttle body size

I have lpe ported heads and intake what size throttle body should I get or will the stock one be ok,will I see any loss in power etc with the stock 48mm

Last edited by JAYK; Feb 27, 2005 at 02:09 PM.
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Old Feb 27, 2005 | 02:53 PM
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Originally Posted by JAYK
I have lpe ported heads and intake what size throttle body should I get or will the stock one be ok,will I see any loss in power etc with the stock 48mm
Have Dave Kuldos modify your stock TB into a 52mm. Unless you have a large displacement motor theres no sense going larger at this time.
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Old Feb 27, 2005 | 03:02 PM
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If you plan on doing any other intake type mods you should just get a 58mm and not have to worry about it later down the road. You probly will not notice a difference between 52mm and 58mm but more air is usually better.
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Old Feb 27, 2005 | 03:08 PM
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yea have the guy port your stock one... your stock lt1 intake will only let in up to 52 mm.... 58 im pretty sure you need your intake ported to match...

god luc your friend
Sean
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Old Feb 27, 2005 | 04:36 PM
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Originally Posted by redbullapril23
yea have the guy port your stock one... your stock lt1 intake will only let in up to 52 mm.... 58 im pretty sure you need your intake ported to match...

god luc your friend
Sean
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