Re: Oil weight
Good afternoon. If you know who built your engine, ask them...follow their instructions. Some engines have Babbitt, some Inserts. Some were built tighter than others. Most folks use detergent oil these days. If you have an older engine...and it came to you using non-detergent oil...DO NOT change to detergent oil as it will break old junk loose in the engine and clog up openings. If the car came to you using detergent oil than continue to use it...Good suggestions for types of oil above...Ernie in Arizona
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