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Anyone know the EXACT dimensions of..

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Old 06-04-2005, 11:33 AM
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Default Anyone know the EXACT dimensions of..

I need the diameter of a factory non ported LS1 throttlebody @ the butterfly point. I also need the diameter of the factory butterfly. Thanks in advance.
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Old 06-04-2005, 11:53 AM
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I just happen to have a TB blade laying around I'm assuming it's the TB blade you mean (butterfly)....

It's kinda hard to tell with a basic ruler but it looks to be 2 15/16". If my conversion is correct that's about 74.6mm.

As for the TB bore where the blade seals, I'm not sure how I'd get an exact measurement. But judging by the blade diameter it's probably 75mm

Last edited by RPM WS6; 06-04-2005 at 12:08 PM.
Old 06-04-2005, 12:23 PM
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thanks....




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