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Old 01-30-2012, 10:18 PM   #2
Turbo85GMC
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Join Date: Apr 2005
Location: Medford, MA
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Re: rear center and front tbi adapters which do i need?

There is an actual GM carb-to-tbi adapter that they used on the 454's with TBI. (afaik they never made a big block TBI intake, they just made the adapter) It has nice smooth transitions, not like the flat plate adapters.
Just my $0.02, ymmv.
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