Originally Posted by
rawdawgga
do the 3port sport suppose to lose some of the pinch during break in? I have 4 tanks on it and the compression do not feel as tight anymore. I can rolll it pretty easy with my hand, temp no higher than 207. My p7r has about 1/2 gallon it and it is super tight, temp on it is around 225 to 230. But still blow lots of smoke. should i send it back or what?
Go engines do not hold pinch nearly as long as Picco engines do...Picco uses a harder billet piston material which takes longer to wear into the sleeve...Go use a softer cast piston that wears in much faster then the Picco will....... so everything your noticing is perfectly normal..