LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Which Throttle Body?

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Old Mar 10, 2006 | 03:43 PM
  #1  
94Formula driver's Avatar
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From: Walker, CT Alabama
Which Throttle Body?

What is the best throttle body to put on these cars?

BTW my friend has a 94 z28..well we were looking at our motors the other day and on the top of his throttle body it has nothing on top of it...mine has the TPS ingraved on top...what was the stock throttle body on these cars?
Old Mar 10, 2006 | 03:45 PM
  #2  
Javier97Z28's Avatar
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Re: Which Throttle Body?

For a stock car? Leave your stock throttle body. Worry about it with heads/cam, etc.
Old Mar 10, 2006 | 03:52 PM
  #3  
94Formula driver's Avatar
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From: Walker, CT Alabama
Re: Which Throttle Body?

well..I am making a list of mods to do all at once...just wondering.

I know K&N full intake,cutout,Long tube headers,New cam,throttle body..I wana make it past 300 horses.
Old Mar 10, 2006 | 04:24 PM
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Cmr0z28's Avatar
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Re: Which Throttle Body?

Why do you care about making over 300rwhp and not track numbers (the stuff that actually counts)?
Old Mar 10, 2006 | 04:25 PM
  #5  
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Re: Which Throttle Body?

I suspect it says "TPiS" on it:

http://www.tpis.com/

TPiS sold a throttle body that was a stocker, bored to 52mm. The stock TB is 48mm, and has a plain black plastic cover.

They also sold the TPiS cover plate separately:

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