Classic Car Motor Oil

[watk69]

all I ever used per my engine builder's direction was GM EOS during assembly, and when they use to make it in the little can,s about half a can in with the load of oil. Never had any wear/galling in my engines to speak of

[x66 714]

I used this chart to determine what I was going to run. I choose the Valvoline VR1 Racing in the silver bottle.....Joe

http://speedtalk.com/forum/viewtopic.php?f=1&t=35836

[L78 steve]

It seems the followers of that post disagree with his findings.

[68camaroz28]

It seems the followers of that post disagree with his findings.

I know we all know break-in is extremely critical and we utilize Brad Penn oils in our cars. That is also recommended by the engine shop (RaceKrafters) we utilize. I think Big Blocks are notorious for alignment issues between lifter bores and cam journals but that is after many miles and heat cycles or at least that is what I've been told but realize Steve your engine was an early take out. We had our 67 427 re-built just over a year ago by RaceKrafters and I decided to utilize a hyd. roller to eliminate some of the flat tappet headaches.  In our neck of the woods everyone I know uses the Brad Penn.

[L78 steve]

Well its either Penn or the Valvoline VR1. The VR1 is easier to get. I will have to travel some distance for the Penn oil. According to the link that X66 714 provided the VR1 doesn't have a short term use only classification if the silver bottle type is used.