Did my first oil change after putting my 2f together yesterday. I had 10w and I think it was too light for it in the heat here. I think it was burning a little bit of oil. No smoke or anything but I knoticed it was a hair low as in just below full after 700 miles. put some 20w50 castrol gtx because it has lots of yummy zinc for the 2f. I have read good things about this oil though. we shall see. It seems to like it.
I also installed the last of the turnbuckles on the soft top. They came in yesterday.
I’m going to be assembling a 2F (for my 60) starting tonight. I got the block and other pieces back from the machine shop and have all the other parts ready to go.
The owner of the shop - who’s been doing F/2F motors for probably 40 years - said he likes to see 10-30 or 10-40 on a rebuilt F or 2F, and not to use 15-40 or 20-50. His reasoning was they’re new and tight, and aside from there being no real reason for thicker oil (like in a worn out motor), the thinner oil will lubricate better. This is all post-break-in of course.
He also had a lot of unkind words for Rotella because the new formulation doesn’t have enough zinc. I asked what oil brand he recommended for zinc content and he balked - he had a lot of opinions up to that point, then clammed up.
So … not trying to resurrect the ongoing oil debate present in every automotive forum on the web, but what do you think? You’re saying 10-XX was too thin in your application?