Does anybody know what size the TB openings are in a factory LT1 gasket? I thought I had a spare around here, but I dont. Im looking for something to use as a template for opening up my TB openings in the intake. I know the factory TB is 48mm, and the openings are 52mm in the intake. My TB is a 52mm, but I want to open up the intake in case I decide to grow in the future. Thanks Eric L
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Factory TB gasket opening size
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Factory TB gasket opening size

1997 Camaro SS #2819 M6, Red, 3.42, 1 of 27, Ttops, BBK shorty headers, Flowmaster cat back, 1.6 rr, LT4 valve springs, ASAM CAI, Centerforce clutch, runs 12s, breaks 10 bolts.
http://s602.photobucket.com/albums/t...20Camaro%20SS/

1963 Plymouth Valiant Signet 200, 6.0 LS3, Carb, Rapid Motorsports Dominator 2X cam.
http://s602.photobucket.com/albums/t...uth%20Valiant/ -
What do I do with the hole for the IAC? Got any pics of yours with the TB off. Eric L
1997 Camaro SS #2819 M6, Red, 3.42, 1 of 27, Ttops, BBK shorty headers, Flowmaster cat back, 1.6 rr, LT4 valve springs, ASAM CAI, Centerforce clutch, runs 12s, breaks 10 bolts.
http://s602.photobucket.com/albums/t...20Camaro%20SS/

1963 Plymouth Valiant Signet 200, 6.0 LS3, Carb, Rapid Motorsports Dominator 2X cam.
http://s602.photobucket.com/albums/t...uth%20Valiant/
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