Oil
Had a 1976 L-82, 4-sp
Joined: Mar 2011
Posts: 5,338
Likes: 1,213
From: Some days your the dog and some days your the hydrant.
Royal Canadian Navy
Either one is fine if you don't drive in temps below 40F. If you have a flat tappet cam, be sure there is a high level e.g. 1000 ppm of ZDDP in the oil.
Last edited by resdoggie; Aug 7, 2020 at 09:17 AM.
Is my vette stock?? HAHA
Joined: Oct 2015
Posts: 20,212
Likes: 9,352
From: Im not allowed to tell you
2020 C3 of the Year Finalist - Modified
2020 Corvette of the Year Finalist (performance mods)
2019 C3 of Year Winner (performance mods)
2016 C3 of Year Finalist
I used the Mobile1 20w50 for the zinc, phosphorus and ZDDP....never had and issue. All my cams look great..I had 3 different flat tapets over 3 years. I kept wanting better. I now have a roller cam and use Mobil1 10w30...
Team Owner
Joined: Feb 2003
Posts: 54,110
Likes: 9,424
From: Sitting in his Nowhere land Hanover Pa
2024 C2 of the Year Finalist - Unmodified
2015 C2 of Year Finalist
Buy the right oil and you don’t have to add any additive. And the correct oil is available anywhere even wal mart
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Race Director
Joined: Jun 2020
Posts: 10,686
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From: north of Chicago
2025 C2 of the Year ('64-'66) Finalist - Unmodified
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My engine builder recomeded Schaeffer 20w50 and I have been using in in my full roller for 20 years now
https://shop.rrcperformanceengines.c...ch-20w50qt.htm
https://shop.rrcperformanceengines.c...ch-20w50qt.htm
Had a 1976 L-82, 4-sp
Joined: Mar 2011
Posts: 5,338
Likes: 1,213
From: Some days your the dog and some days your the hydrant.
Royal Canadian Navy
