Jacobsark Posted October 28, 2019 Report Share Posted October 28, 2019 My stock bore banshee has 175 compression on both sides I have 21cc domes in my cool head should I be running race fuel Quote Link to comment Share on other sites More sharing options...
hoppedupandcutdown Posted October 28, 2019 Report Share Posted October 28, 2019 What's your elevation? Quote Link to comment Share on other sites More sharing options...
Jacobsark Posted October 28, 2019 Author Report Share Posted October 28, 2019 Around 700 feet Quote Link to comment Share on other sites More sharing options...
hoppedupandcutdown Posted October 28, 2019 Report Share Posted October 28, 2019 I'm at 1200ft, with 20cc domes, not near as much compression as you're getting, but have ran 91 forever. I'm gonna guess your gauge could be reading high. Quote Link to comment Share on other sites More sharing options...
Jacobsark Posted October 28, 2019 Author Report Share Posted October 28, 2019 I don’t think because before I rebuilt it I had 66mm pistons with stock head and it had 150 which seamed right Quote Link to comment Share on other sites More sharing options...
hoppedupandcutdown Posted October 28, 2019 Report Share Posted October 28, 2019 I could be wrong, but a stock head should never net that much compression. Quote Link to comment Share on other sites More sharing options...
Jacobsark Posted October 28, 2019 Author Report Share Posted October 28, 2019 that’s was with the bigger bore I’m not to sure Quote Link to comment Share on other sites More sharing options...
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