Fastassbanshee96 Posted July 5, 2012 Report Share Posted July 5, 2012 At what comp do you have to start running high octane fuel? Quote Link to comment Share on other sites More sharing options...
do-work-son Posted July 5, 2012 Report Share Posted July 5, 2012 Thinking to be safe anything higher than 150 heard of guys at 160 an 165 area still on 92 but I wouldn't do it Quote Link to comment Share on other sites More sharing options...
Fastassbanshee96 Posted July 5, 2012 Author Report Share Posted July 5, 2012 It's a 4 mil serval with r2 pipes and 22cc domes. I don't know the squish and am going to to comp test tonight. Just looking for a base line. I'm currently running race fuel but would like to get on pump for this weekend trip. Quote Link to comment Share on other sites More sharing options...
252wheelieking Posted July 6, 2012 Report Share Posted July 6, 2012 It's a 4 mil serval with r2 pipes and 22cc domes. I don't know the squish and am going to to comp test tonight. Just looking for a base line. I'm currently running race fuel but would like to get on pump for this weekend trip. Im at sea level running 22cc domes & +4 timing on my cub using 100LL....I tried using 93 pump gas & it detonated really bad & blew an oring. AS stated before it all depends on your elevation, timing, compression ratio & squish. Quote Link to comment Share on other sites More sharing options...
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