Re: [Amc-list] Oil to Use: It must be rated for 'Diesel'

[Tom Jennings <tomj@xxxxxxx>]

On Wednesday 08 August 2007 05:39:18 Sandwich Maker wrote:

> it's happened.  go over to strokers@yahoogroups and ask about cam
> failures...

> the recent flap was set off by muscle car owners and old car folks
> like us who've been seeing premature cam lobe failures, ultimately
> traced to low zddp levels in modern oils.

I don't doubt that the zinc-lack mechanism for failure exists, but I have not 
heard of a single stock-or-close-to-stock motor taken off the road due to 
new-fangled oil ruining their old-fangled bearings. All seem to be 'built' 
motors.

I just can't see extrapolating a old-car-scene-wide problem from this.

Maybe you all mean all the ZDDP worries are FOR built motors, but so far no 
one's actually said that...

> ultimately
> traced to low zddp levels in modern oils.

I'm curious, how was that determined? I know this is probably addressed in the 
other fora, but for the record, here... :-)
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