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Re: Oil confusion, please help!
Quote:
Originally Posted by garyd1961
Rotella took the zinc out a few years ago.
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That is not good.... do u have some documentation to support ? I might have to swap to royal purple
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Mike
72 C-10 Cheyenne PS/PB/Tilt/Tach/Rear slider/
385HP/405TQ Vortec 355 /TH350 2200RPM Stall
MSD Ignition/Holley 650 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks 
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