How big is the stock TB
10-16-2010, 04:26 PM
#11
the actual tb blade is bigger than the opening. i studied mine for a while and the back end of the tb is smaller than the blade but matches the opening in the intake. gains can be made by opening both up to the size of the blade. or just go ahead and switch out to a 90mm tb and intake.
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sprayedenali
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