[Trackrash]

Originally Posted by LIRS6

I read about the last 20 pgs of posts. A lot to digest. Bottom-line question:

For my recent top end re-build 79 SC with cat delete I am thinking of using Delo 400 LE SAE 15-W40; any particular thoughts?

I live in the NE and drive only 45F+ temps. From what I have read, this has a higher viscosity than typical W40.

I am NOT trying to engage in a debate - just asking a q.

Thanks

Jason

Looks good to me. I used this oil for 20 plus years, no problems. Has appropriate zinc / phosphorus and is a conventional oil.