502 carb
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Location: Wilson, NY
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It increases plenum volume....sorta like a short tunnel ram manifold. It can also act as an insulator, keeping the carb (and fuel) cooler. 4 hole spacers are usually run on dual plane intakes...and open spacers on single plane intakes.
Try this link...as it should help you understand better sir.
http://forums.hybridz.org/index.php/...s-it-for-real/
Try this link...as it should help you understand better sir.
http://forums.hybridz.org/index.php/...s-it-for-real/