Melling pump cover bolt torque

yellow rose said
It stops wearing when you are at basically at .000 running clearance. They also make a coating that can add up to .020 on diameter. I almost coated my Pistons on my last engine but I didn't want to wait.

Kicking my stupid self for not doing it. Ring seal has to improve at the very least.

No piston rock would be nice, I worked for Cadillac in 2003 when we had a piston and rings recall on the northstar, the carbon got built up on piston and would hit the head causing a knock when cold. They redesigned the piston and we had to change them. The old pistons and the new pistons had a lot of rock to them and were really loose in the bore, Cadillac said that is normal we didn't even hone the cylinders and they looked like new even at 100,000 miles. When I questioned them about ring seal they said they will seal fine even with all the piston rock it wont effect the seal, I worked for Cadillac for 10 years and the northstars used about 1/2 to 3/4 gts oil between changes and GM said this is normal from vapors going through the PCV system. It's hard to believe the rings seal as low as the tension was and the way the pistons rock, I'm sure they are tighter when it's up to temp.