Originally Posted by
JamboRST
going forged pistons is the budget way
skimming ur pistons will lead to a more expensive route when needin a rebuild
am not sayin its a bad idea just 21 psi is a lot of boost for skimmed pistons,playin russian roulette on ur engine
may get lucky and they last well,then again may not and thats the budget engine out the window
When built and mapped correctly there is very little risk - I know of many engines running at this spec, some with small amount of nitrous, with a perfect reliability record (going back almost 20 years!).