Matt, > Second, From following the list and some reading it looks like deisel oil, > such as shell rotella is a good choice for our Olds engines?
Yes, it is, until Shell lowers the zinc and phosphorous content to comply with the EPA and the OEM Diesel mfgs. > I regularly > drive my 72 98 (original 455), can I run 15W40 in it? I usually run 10W40 > in the summer and 10W30 in the winter. Yes, 15W40 would work fine. Milton Schick 1964 442 Cutlass [EMAIL PROTECTED]
