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

lt1 ls1 throttle

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Old May 8, 2008 | 01:17 AM
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Exclamation lt1 ls1 throttle

can you use the ls1 throttle body on an lt1 and if so how
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Old May 8, 2008 | 01:22 AM
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Anything is possible with enough money! But as a bolt on no it will not work.
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Old May 8, 2008 | 01:22 AM
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no they are completely different. The stock lt1 openings on the intake manifold are butterfly unlike the oval on the ls1's.
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Old May 8, 2008 | 01:42 AM
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After looking at the IM's opening and thinking about the work I need to do to make it bigger for my 58mm Holley sitting here I start to wonder just how hard it would be to just make it oval.... probably require an aftermarket but there is certainly a lot of space there....

Nah I am wrong someone has probably already proven this.
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Old May 8, 2008 | 07:31 AM
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Originally Posted by Cross
After looking at the IM's opening and thinking about the work I need to do to make it bigger for my 58mm Holley sitting here I start to wonder just how hard it would be to just make it oval.... probably require an aftermarket but there is certainly a lot of space there....

Nah I am wrong someone has probably already proven this.
Why not just port the opening and get the ASM monoblade TB?
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Old May 8, 2008 | 07:34 AM
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those things are a pispot full of money
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Old May 8, 2008 | 07:59 AM
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Originally Posted by moserman
those things are a pispot full of money
Not saying that I would ever get one as my BBK 58mm flows more than enough, but you're right they are a waste. The 58mm twin blades flow just as good and best to stick with it.
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Old May 8, 2008 | 12:37 PM
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The throttle body choices aren't the restriction on an LT1. A 58mm is more then enough on most any set up. I have seen the 58mm TBs make 500RWHP NA in pepe's car and over 900 in a blower/nitrous 383 LT4
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Old May 8, 2008 | 07:03 PM
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yeah all of their stuff is overpriced and even tho the monoblade flows like 1300cfm or some **** like that, the intake has to be able to back it up and the LT1 intakes arent the best unless you cut them in half and port the **** out of them. i would love to convert to 90mm throttle body with the 90 degree elbow if anyone made them still
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Old May 8, 2008 | 10:48 PM
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we make sheet metal elbows for both LT1, LS1, and most any aftermarket TB
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Old May 8, 2008 | 11:35 PM
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I'm going to be trying to fit a 90mm Infinity q45 monoblade on a lt1 intake, it's definately going to require some welding, grinding, drilling and taping and who knows what else. It only cost me $90 for the TB though...
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