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#1
03-02-2014, 08:51 PM
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When I had my motor rebuilt, and I'm running a roller cam in mine the engine shop sent home a case of Joe Gibbs Driven HR-2 10W-30 motor oil with High Zinc Formulation to use in the motor.
__________________
Ray 1970 SS Chevelle Van Nuys Built 
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#2
03-03-2014, 06:39 PM
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I wil try putting some oil additive in to see if it helps, and also change to 10w30 instead of 10w40. I have some additive called zddp that I use with every oil change in my Buick Grand National that I will start using in the Chevelle as well.
thanks
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