intake bore 1 11/16, tbi bore 2 inch
02-16-2002, 10:10 PM
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intake bore 1 11/16, tbi bore 2 inch
The Holley 670 unit says its a 2inch bore, the edlebrock performer intake says 1 11/16 bore. So what do i do? They have spacers for 2inch and 1 11/16. Help I'm ready to buy right now.
Also the add says 87-89 tbi truck will it fit a 92 lo3
Also the add says 87-89 tbi truck will it fit a 92 lo3
02-17-2002, 02:13 AM
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Car: 1991 Firebird
Engine: 383 stroker
Transmission: T-56
just get a perfmormer carb intake and a spreadbore carb to TBI adapter plate from holley that is 2 inch
02-17-2002, 09:46 AM
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Adaptor provided
I know when I got my Holley I got the adaptor with it for the stock manifold.... I didn't need it for I had the Weiand intake... I looked around for the holley box but couldn't find it, but I believe they still include that adaptor when you get the TBI unit.
-Snowdog.
-Snowdog.
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