Re: 55-56 changes

Posted by Jack Vines On 2017/7/9 14:53:07
Combustion chambers in the heads

Camshaft profile

Rocker arms

Intake valves

Main bearing caps

Cam retainer plate and spacer

Two running changes of oil pump pressure relief

Engine cylinder bore diameter (320" dropped and 374" added)

Distributor advance curves

jack vines

This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=193771