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Old 02-04-2012, 02:27 PM   #4
FritzA
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Join Date: Jul 2009
Location: Denver Burbs, CO
Posts: 115
Re: rear center and front tbi adapters which do i need?

The rear offset is more like the stock tbi manifold. No idea why GM made it like that. The middle ones are for people doing conversions who won't be changing their throttle cable which went to the center in the quadrajets.
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