J
Last year i ran a slp single with a cheeter head v force 3 reeds and ran 8000 rpms all day. This year i added psi twins pipes and trail porting and now im olny pulling 7000 on the trail and worse in the pow and on hills.ran 370 jet last year now running 400 plugs look good.primary clutch has 10-62 weights with polars red spring. has team secondary with 54-38er.46/54-40er.46 helixe not sure on spring. Has 19-41 gears Ridding @ 8500 ft.and up in colorado and wyoming. Any sugestions on what to change to get rpms back.
