oil question
Post Fiend
Joined: Jun 2001
Posts: 5,228
Likes: 5
From: Running Springs CA
Basestocks are still less of an issue when you are talking about a high-lift flat-tappet cam. Oils with a higher ZDDP content and high HTHS viscosity become important. Unlike bearings which use oil pressure to prevent actual contact, the cam-lifter interface is rubbing contact. I say go for the Rotella Syn all year or at least in winter and the 15W-40 in summer.
Jim
Jim
Posting Guru
Joined: Feb 2004
Posts: 1,354
Likes: 0
From: Jackassville
Originally Posted by Flash
I would stay away from the diesel rated oils for your engine. First, I would not suggest an oil that heavy. You really need to be using a 5w-30. The Pennzoil and Havoline oils are turning in the lowest wear metals. As far as a diesel rated oil, you MAY end up glazing the cylinder walls with the calcium used to neutralize the acids formed mostly in a diesel environment. It would be an extreme of overbasing. I have used it in all of my FEs but they are a little different breed of engine. If your engine starts using oil, it will most likely be due to the use of a diesel rated oil. As far as I am aware, the only fix is to hone the cylinders. Chose wisely, grasshopper.
I thought diesel rated oils were superior then gas oils? I have a new FE and dont want it to start smoking because of Mystick 10w-30. Please elaborate.
Thanks,
FERacing66