Camaro, Firebird, LS1, and GM Performance Picture by 99 Black Bird T/A | 7259670 |

What the limit on compression for 93 Octane gas for a full weight TA?

My 72 Vette runs 10.85 to 1 compression with a carb on 93 just fine. Iron Dart 400 Aluminum Dart Pro 1 heads & intske. Cam is spec'd accordingly. My LS RS runs 11.3 to 1 no issues. i see other run LS motors ~ 11.5 to 11.8

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99 Black Bird T/A April 14, 2017

What the limit on compression for 93 Octane gas for a full weight TA? My 72 Vette runs 10.85 to 1 compression with a carb on 93 just fine. Iron Dart 400 Aluminum Dart Pro 1 heads & intske. Cam is spec'd accordingly. My LS RS runs 11.3 to 1 no issues. i see other run LS motors ~ 11.5 to 11.8

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99TA - 416 build - Stolen, damaged and getting repaired

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