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89 hatch
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Discussion Starter #4
Try to find a b16 tb and save yourself the time, better throttle response and flow...
well i had this one just lying around and i dont really know what to do with it and besides, i have hook up at a machine shop..but is a bigger throttle body worth it?
 

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Brokedick Millionaire
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40,252 Posts
i have a spare d16z6 throttle body that im thinking of boring out. whats an ideal size to do it to and is it worth the money doing so? mods so far are i/h/e.
no gains at all...........
 

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do you actually need headwork to get gains from larger throttle body?? I'm not really sure [correct me if i'm wrong] but i heard that you have to get an intake manifold port the same size as the throttle body and an aftermarket intake system to get good gains beside doing the head port.
 

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Brokedick Millionaire
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40,252 Posts
cam, head, intake, the TB is last.

Flashback 1999, 135 chp/118 whp out of a 102 chp D15B7 using a stock throttle body.

another thought, if 70 mm can feed 347 cubes to 6500 rpm, 56mm can feed 91-93 cubes with ease.
 
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