Heres a quickie, which pistons can I used by boring out the block and NOT sleeving. Extremepowerouters says Cp's will work, some say it won't.

Iv'e searched around and seen conflicting views, seen something about Mahle pistons, but have heard bad things about them. Sleeving is not an option for me since I'm overseas, so I need some help on which piston I can go with.

setup in sig.

 

from what ive been told your only other option is the type s pistons...

 

in my opinion any brand would be ok.its in the installation that will determine whether they r good or bad.

dont you have machineshop in pakistan.im waaaaaaaaaaaay oversea..but what i did was i bought sleeves and get one of the local machineshop to do it but i explained to them how. i did lots of research on it.

 

Stick with the type s pistons or spend some bread and get Jun's. .25 is the max overbore on the h22's.

 

Mahle makes more pistons than just about any other piston company on the planet. I trust their produts, but haven't had direct experience with their H series pistons yet.