Dazeys Posted June 12, 2014 Report Posted June 12, 2014 My 4 mil long rod Banshee runs strong. We ride at the Oregon dunes. It has stock carb bored out to 28mm. Compression is at 180 psi.(110 octane fuel). I have 310 mains in it now. Banshee # 2 has stock head milled and carb bored out to 28mm also. don't know what it has for mains. Just bought it. We are going to St Anthony's over the 4th holiday. They run great at sea level, but St Anthony's is at 4000 -5000 ft. above sea level. What mains should I run there? Just want to get them as close as I can so I can spend my time riding instead of tuning. Thanks, Tony Quote
LaegerEliminator Posted June 13, 2014 Report Posted June 13, 2014 St. Anthony is right at 5,000 ft plus some if you start to climb the bigger dunes. Quote
SonOfSand Posted June 13, 2014 Report Posted June 13, 2014 On my 4 mil HJR motor with 18 cc domes, 180 PSI and Toomeys I ran 310's also. I ran 280-290 on my "bolt on" banshee. I run 100LL in all my motors. Quote
Dazeys Posted June 14, 2014 Author Report Posted June 14, 2014 Great, thanks for the info. Tony Quote
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