Originally Posted by zipper06
How much compression can be made with a 434" S/BLK with SB2.2 heads, most heads are close to 50CC's. I know that alcohlol will not really work at less than 13.1 compression. Does JE make a piston for this combo. I would not put SRP's in my lawn mower, and Probe is a much better piston than SRP will ever be.
Don't mean to be abrasive but facts are facts.
JMO
Zip.
A 434 with a SB2 head you can get about 15.2 to 1. We dont have any shelf piston but can make it as a custom. SRP has its market and nothing close to what you are doing, our briggs lawnmower parts are JE. LOL