Posted 6/29/2014 06:17 (#3942289 - in reply to #3942280) Subject: RE: Another GM question
Chebanse, IL.....
I don't know the correct answer, but wouldn't the OM from the vehicle tell you? Or, service mgr @ dealership?
Re. PatCMO's answer.....how can an oil additive "change" the amount of force applied by springs enough to crack a cast or machined surface? How can an oil or additive change pressure at all?
Another GM question
