C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 15, 2024 | 07:51 PM
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Default Oil recommendation

What high zinc oil do y'all recommend. 1974 454 non roller cam. My engine has 400 miles on it and would like to change the oil. Thanks in advance. Chris,
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Old Mar 15, 2024 | 07:54 PM
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I use Mobil1 15W50...that oil never gave me issues...
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Old Mar 15, 2024 | 08:01 PM
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Thank you
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Old Mar 15, 2024 | 08:06 PM
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Valvoline VR-1. I use 10w30 in my 72 LT-1. Or 10w40 synthetic, your choice. You can order it at O'Reilly auto.
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