hi to all i would like to build an s2 300HP engine and i have a qustion
can i raise the C.R to 1:8.5 or 1:9 on a cvh engine and the engine block and the head will resist that load?? i am asking thet because i need to order pistons and i dont know what c.r to ask

if will be other ideas how to do a 300 hp engine it will be great

thans to all