TB size

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Oct 15, 2010 | 08:18 AM

bwarren337

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Joined: Mar 2009

Posts: 80

From: clarksville,TN

TB size

what is the biggest Throttle body you can put on a ls6 intake manifold

Oct 19, 2010 | 09:47 AM

Marc 85Z28

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Joined: Dec 1999

Posts: 2,022

From: MD

The intake throttle opening in 78mm. Anything larger than that is not only a waste, but also aftermarket which means idle issues.

Oct 24, 2010 | 02:00 PM

bluz28

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Joined: Nov 2007

Posts: 696

From: Central Valley, California

You could easily run a 80mm TB with a very minor opening up (1mm all around) of the intake opening.

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