I have Diamond pistons in my setup--they were custom made for us last year. So far, no problems. Haven't cranked up the boost yet, though. Just about done breaking the motor in.
The Cobalt SS's and many other ecos including GM's own use Diamond racing pistons. Should be fine.
-Chris
URL Not Found on the link. As far as the pistons go, is this a brand or a certain way that the pistons are manufactured?
Fixed Linky
Its a brand. I'd be sure to compare the price to wiseco before ordering. I used wiseco's in my build.
-Chris
sorry about that link thanks for fixing it well this is the email they sent me.....
James,
the Diamond Ecotec 2.2l piston set is $369.95 plus shipping and the rings are $79.95.
the pistons are 3.3860" bore, 3.724 stroke with a .727 pin, and a compression ratio of 9.5:1. the rings are 1.2mm,1.5 mm, 3.0mm standard tension chrome with a steel top ring.
Thank you,
Rob
thanks,james
oh and how big of piston can you go without putting new sleeves in?
thanks,james
I would trust Diamond pistons. That is who i use for all my piston needs on my car. Plus when i buy form them i support a local company.
Weisco dicked me around for 5 weeks before telling me they couldnt make my pistons. Took Diamond 2 weeks to make them.
