johnsonguthrey Posted May 1 Report Share Posted May 1 Might be a dumb question but! I'm thinking about taking my 421 off alky and running it on pump gas. Right now, it has 18CC, 11-degree angle and .030 step domes. What would it take and what would I lose by doing this? Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted May 2 Report Share Posted May 2 What's the compression? You may need to run race fuel. Quote Link to comment Share on other sites More sharing options...
ClaudeMachining Posted May 2 Report Share Posted May 2 Might be a dumb question but! I'm thinking about taking my 421 off alky and running it on pump gas. Right now, it has 18CC, 11-degree angle and .030 step domes. What would it take and what would I lose by doing this? Like usuall, uccr test and report back.For pump gaz, you stay in the 12ish range, with 0.045" to .050 squishEnvoyé de mon SM-S908W en utilisant Tapatalk Quote Link to comment Share on other sites More sharing options...
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