Engine break-in oil

[Peter Serwe]

I don't know on an SR20DET, but I had a machine
shop that does domestic iron claim that straight 30
with a quart of marvel mystery oil was the hot ticket.

All I can say is that it seemed to do a good job on a
355 sbc, but I have never torn down the engine and
actually looked at any of the internals after a few
thousand miles.

Jay Whitely wrote:

> What type of oil do you recommend for breaking in a freshly rebuilt
> SR20DET?
> Some sources say to use non-detergent straight 30 weight oil to help the
> rings
> seat faster. But, the directions on the bottle say that is not intended
> for brand
> new engines or for engines with hydraulic lifters.

--
Peter Serwe <peter at easytree.net>
Cheaper, Faster, Better, pick any two.