Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
06-14-2022, 12:29 PM
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All I use with flat tappet cams. Haven't lost one yet.
https://penngrade1.com/products/ I understand the Gibb's Driven product is great as well. You may get as many opinions as there are active members here. Tim 
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earntaz (06-14-2022) | ||
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#2
06-14-2022, 12:45 PM
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I've continued using conventional oil with ZDP additive. Just bought the Driven oil for the 496 in the Chevelle. I haven't changed it yet, so no opinion, but the Gibb's oil has a good reputation as well.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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earntaz (06-14-2022) | ||
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