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Re: SBC 350 Engine Backfire Through Exhaust and Carb
Just for reference as of 2008 diesel oil no longer has the zinc in it either. It was removed when catalytic converters became mandatory on diesels. Yes it still has some zinc but not anywhere near what it used to. Theres a lot more info available on what oils are what. Heres a ton more info on the topic. http://67-72chevytrucks.com/vboard/s...d.php?t=381780
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.
Last edited by cableguy0; 04-21-2011 at 10:20 PM.
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