JP

Rudy Kurtz at Port majic Racing in Hesperia, Ca does some of the best work to stock cylinders hands down.

Alky or gas? Stock frame or aftermarket? If aftermarket, how much is it extended? How much do you weigh? How much does the bike weigh? I've gotta guess your doing some drag racing, and if so a +6 wouldn't work too good. If your somewhat light (180 or less) on a drag chassis I'd recommend an 11 or 12 over. Heavier guys can get away with a little less like 9-10 over. On a stock chassis, a 535 making anything respectable would need at least a +12 on a full launch. A plus 6 or 8 would probably get you by, but it'd be a compromise and you'd probably just end up getting a longer arm anyway. I weigh about 185, and ride a 535 on alky in a drag chassis (about 220 wet). The bike worked really well with an 11 over arm and 9 paddles at glamis this thanksgiving.

I run 38mm lectrons on a 10 mm 535. It really depends on what type of drag racing you do. 38's work good on the hill. 40's work better on flat ground. This info is straight from packard.

what about twister's?