From the get-go 18 months ago ,I have been running nothing but 87octane in my unit.Well I thought I would try upping the octane a notch to 89 @ .10cents more per gal.
Yep...worth the dime difference.My unit ran strong from day one and strong after the update.I have Ken's performance air filter and Hindle pipe....no update problem.....but the 89 octane has taken performance up another notch!I know a lot of folks have been concerned about rumble and popping of exhaust on deceleration(throttle off) but this is pretty normal for big twin motors with free flow exhaust.Had it on my S&S motors, Harley,Buell,Rotax.It should not be present during throttle roll on but you will get some on throttle roll-off.Anyway the 89 looks like a keeper in my tank!!:2thumbs:
Yep...worth the dime difference.My unit ran strong from day one and strong after the update.I have Ken's performance air filter and Hindle pipe....no update problem.....but the 89 octane has taken performance up another notch!I know a lot of folks have been concerned about rumble and popping of exhaust on deceleration(throttle off) but this is pretty normal for big twin motors with free flow exhaust.Had it on my S&S motors, Harley,Buell,Rotax.It should not be present during throttle roll on but you will get some on throttle roll-off.Anyway the 89 looks like a keeper in my tank!!:2thumbs: