Originally posted by: Hightower
stock DS's will run okay with the stock 165 jet, but it will be a little rich. the DS and its big bore vacuum slide carb runs pretty good without changing the jetting, but others like the small dual vac slides on the raptor for example run very poor without jetting changes.

Good rule of thumb is drop one size (2.5 increment) for every 1500 feet you raise.

SJRD you are probably lean now with the power tip and K&N and stock jet, and will probably be right on at the higher altitude and stock 165 jet.

When are you gonna be there? I'll be at St. A's from june 17-22.