Brad,
You are correct, petroleum-based oils sold today have had to lower the
anti-wear/anti-scuff additive packages due to pressure from the EPA. The
zinc in ZDDP attacks catalytic converters. Most of us have switched to
synthetics like Mobile 1 or Redline, or gone with a specialty motor oil
made to the old SAE SF/SG standards from someone like Brad Penn, as
these have the additive packages. If you look at most
motorcycle-specific oils, they are formulated with the higher additive
packages as well.
Another option is to add a supplement to the plain old Castrol you buy
at Wal-Mart. Edelbrock, Lucas and CompCams all offer this as "break-in"
supplement, you add 1/3 a bottle or so with every oil change.
Here are some sites for researching this eternal can-o-worms question.
http://www.lnengineering.com/oil.html#Z5
http://www.bobistheoilguy.com/forums/ubbthreads.php
Bugz
-----Original Message-----
From: tigers-bounces@autox.team.net
[mailto:tigers-bounces@autox.team.net] On Behalf Of Brad Huff
Sent: Friday, August 07, 2009 4:22 AM
To: tigers@autox.team.net
Subject: [Tigers] Oil
What brand and type of oil are you guys with solid lifter cams using?
I've heard that there are issues with today's off the shelf brands.-Brad
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