Re: V8 Engine Disassembly, Inspection

Posted by Jack Vines On 2024/3/15 15:43:43

Crucial to disassemble the rocker assembly, remove the soft plugs at the end of the shaft and rod out the inside of the rocker shaft. Usually, the rocker arm tips require regrinding.

Have you found new 320" pistons? Last I looked, they were NLA. Since all the other parts are the same and 352" short blocks are still thick on the ground, you might consider upgrading.

Have the rotating assembly balanced. Packard bragged about their balance precision, but it's not that good by modern standards.

Carefully inspect the front balance damper. About one in three is cracked down the keyway. I've developed a fix for this or just find a good used damper. Easier said than done in that half you'll find the rubber has perished.

Having been there done that, I'll never rebuild another water pump. Pay the man.

I've successfully rebuilt the Packard oil pump, if one wants to retain the vacuum wiper pump. Otherwise, the Oldsmobile oil pump conversion is the way to go.

A '55 320" had the soft valve spring retainers. Those must be changed out for the hardened retainers.

jack vines