Gary, it sounds to me like they are trying to find the nearest matching existing formula. My local PPG supplier has made up from scratch, several for...
I would check to see if you have a PPG paint supplier near by. Take the cowel vent to them to come up with a match they can create from scratch. After...
Multiple video's on You Tube talking about issues with new cam and lifter wear. Seems over the last 10 years or so it is very hard to find quality lif...
Been reading that site for years, way before it was sold. I started doing oil analysis because of the info I read.
Info on using synthetics in oilder motors---
Oil quality has come a very long way since 1952. I would use a modern detergent oil, 10W40 or so. Add the recommended type of ZDDP for lifter/camshaft...