Originally posted by tone
Who still sale parts for the XP i'm looking for a header and exhaust gasket keep in mind that there smaller then a lot of other motors, what temps are some of yall picco xp's running mine don't run good unless it's about 260f to 270f i know some guy don't think thats not to bad BUT we run 30mins mains. I'm getting these temps after about 10mins of running #6 plug 25% fuel.
When I used to run the XP, I likewise found that it liked running
hotter (250 to 270 range). They work in optimum when hot. I
saw them with others and use them myself running at those
temps and stayed there on main events.
By the way, we used to run them with Blue Thunder Race Formula
40% Fuel and with a #8 cold plug. Am not sure if you would like to
try that. Head clearance was 22000.
Those Picco Conical Headers and Pipe work great and they
compliment the XP motor's performance a lot.