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#1
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I use Penn Grade One, High Performance Oil 10W-30 Partial Synthetic high zinc. The original green oil.
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1970 Z28 Citrus green CW 3:73 1970 Ls6 Cy 3:31 14K miles 1968 Biscayne L72 M22 952 actual miles. 1966 Biscayne L72 3:73 1966 Chevelle L78 M22 4:56 |
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camarojoe (03-06-2022) |
#2
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Haven't lost a flat tappet camshaft yet Tim |
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camarojoe (03-06-2022) |
#3
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I use Brad Penn or Joe Gibb.
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Steve Shauger The Supercar Registry www.yenko.net Vintage Certification™ , Providing Recognition to Unrestored Muscle Cars. Website: www.vintagecertification.com |
#4
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Rotella eventually lost its Zinc too and is longer an option.
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1962 Biscayne O-21669 MKIV/M-22 1962 Bel Air Sport Coupe 409/1,000 |
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mhm1966 (03-04-2022) |
#5
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John ![]() |
#6
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VR1 Valvoline 10W30 oil for classic muscle cars. Enough zinc to protect camshaft. Might even try the Mercury 10W30 4 Stroke marine oil. Engineer i know said this oil has even less zinc then the VR1 Valvoline 10W30 oil and the Mercury out performed the VR1 in testing. Engineer told me to much zinc can actually cause wear in a engine.
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ruralrte66 (03-05-2022) |
#7
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51060 or 51061 are the long ones, the 61 has the anti drain back valve
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1969 ZL1 COPO Camaro 11.60@120 F.A.S.T 21 1971 LS6 vette 12.20 @118 PSMCDR |
#8
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So, I have a question... I'm reading that synthetic isn't highly thought of for this application, but that VR1 is... I don't believe that both comments have come from the same members but I did want to call this out and open a discussion on VR-1 being synthetic... thoughts?
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#9
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#10
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