RealLiveMD

iTrader: (1)

Doing a head swap. I noticed everyone shines the pistons. Why take the time? Am I missing something? Just want to get er done.

vettenuts

iTrader: (4)

Carbon can cause detonation.

If measuring PTV, carbon can give false values.

BOBS99SS

iTrader: (2)

^this x 2,

Steve Gunn

Scotchbrite pad and carb cleaner. Cover your fenders.

getusumws6

iTrader: (9)

Agree with above. Cleaning the pistons is good towards measuring PTV and or flycutting, which most people do when they take the heads off to replace them.

RealLiveMD

iTrader: (1)

I'm just changing the lifters. I took the heads off to track down a valve train problem. Now that I have my heads and springs repaired I just want to get them back on. Im catching hell trying to clean the block. The blue scotch Brits pad leaves blue felt in all the ports. I can't find a roloc anywhere. Also I have a dremel and tried the little felt pads bit they keep burning off. There has to be an easier way.

vettenuts

iTrader: (4)

Try a local paint store. I found non-metallic scotchbrite pads there that worked well and they were available in different roughness.