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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#10462 04/25/2002 5:26 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Since summer is coming, i would run at least SAE 30. Detergent or not? Look at the inside of the filler cap. If it's clean, someone has probably been running detergent oil and it won't hurt to stick with it. Does the engine have an oil filter? It will keep most of the dirt out of the crankcase. In my case, my 216 was using a quart of SAE 30 every 300 miles, so I switched to 20w-50. Oil use dropped to a quart in 500 miles.
If it's been 20 years since the engine ran, I would remove the rocker cover and pull the coil wire. Crank the engine until oil comes out through the valve train. Then replace the cover and start the old gal. And change the oil at 500 miles the first time.
Fred
52 3600
69 C-10
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