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Forum: 67-69 Firebird TECH 11-30-2020, 12:09 PM
Replies: 7
Views: 1,308
Posted By Hotrodjohn71
Thank you. I understand now. It's a pressure...

Thank you. I understand now. It's a pressure differential valve rather than a simple pressure relief valve. I like it and will keep it as intended.
Forum: 67-69 Firebird TECH 11-29-2020, 10:26 PM
Replies: 7
Views: 1,308
Posted By Hotrodjohn71
Oil filter housing bypass mechanism.

Group, my 65 Pontiac 326 oil filter housing has a bypass system. The spring doesn't seem very strong and the keeper does not seem heavy duty. Help me understand this.
Isn't oil through the filter...
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