Re: Too old for sythentecic oil?
I have used Mobil 1 for years in all of my vehicles. My 402 has always had a sticky lifter, that eventually kept tapping non-stop. I added Hyper Lube (ZDDP additive) to my crankcase and the lifter noise went away within 5 mins and has NOT returned since. Made a believer out of me, I ALWAYS use it when changing my oil now.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed.
1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck.
RIP ElJay
RIP 67ChevyRedneck
RIP Grumpy Old Man
RIP FleetsidePaul
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