01-18-2007, 03:55 PM
Compression is changed via a headgasket. I'm keeping the stock headgasket for now though, that's why I'm limited to around 7psi. If you start pushing more than around 10psi you have to look into things like the turbo tranny's, injectors, fuel systems, pumps, $blah, $blah, $blah.
2010 Dodge Ram 1500
2019 Ford Mustang
2019 Ford Mustang

