John
how do you know you popped a ring/piston
on my first turbo engine in my other car i popped a piston and ring as you can see well mullered and this was only on 7psi of boost, and it smoked like it was on 100 a day on the strongest cuban cigars
ended up getting this forged made custom pistons complete with gapless rings from the states designed to suit my engine and drop compression down to 7:1 for my sprint car