Dam how are you pulling that much weight. I have the bikeman setup to. Pipe, head, Pcv, 1.74 gears, 50/44 helix and 70. 4 grams at 8,400I gotta tell you guys , my sled with full bikeman set up with heads & bully dog is pulling 76 grams on weight at 8450 . HI doc i met you at the hillclimbs in Tourin .