Originally Posted by 1Camaro2SS
But yeah I'd like to clean those pistons and valves. What do you suggest? Pistons are not coming out tho. Lol, just the surface.
On the pistons I bring them to TDC and use seafoam, mineral spirits and a scotch pad "lightly" making sure to wipe it all down towards the bottom of the piston so it falls out of the block.
For the heads since the valves are closed I've used brake cleaner and spray it so nothing gets to the valve springs or down towards the seals. I hope that makes sense.
2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.