Originally Posted by merdith6

I have been racing and running practice a lot more than usual and One of my favorite engines is a p5 with some cool things inside and when i got it it was stock and a bit worn out So when I rebuilt it I sent the p/s off to Ray of course and I really don't run them too often but this one I decided to just keep doggin on it for a while and i was expecting it to loose compression quickly because it was not the tightest resize and boy was I wrong. I keep checking the compression and it's holding strong with about 2 gallons on the resize. My favorite engine. Thanks again.