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  1. M

    What oil are all of ya using?

    In my 86 Truck 22RE, I've used Castrol GTX 10w-40 since I bought it new 36 years and 480,700 miles. It's an older engine so doesn't need sewing machine thin oil like the modern variable valve engines. Good ole "POS" Dino oil change every 5000 miles. Still burns less than 1/2 quart between oil...
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