Interesting that I had a hypertuetic pistoned 428 in a 69 firebird that consistantly ran in the 11's. Still runs great after about 400+ runs on the strip and 10,000 miles on the street. Like Scott said, if you do not gap the rings properly, you will definitely have problems.
The light at the end of your tunnel is just a freight train coming your way - Metallica
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The light at the end of your tunnel is just a freight train coming your way - Metallica
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