Recent content by gmc70
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what oil to use in a 1970 gmc with 402 bb?
No not yet, just got her home friday.- gmc70
- Post #7
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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Post your latest oil change
1994 corvette mobil 1 5w-30 55,000 miles- gmc70
- Post #1,103
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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what oil to use in a 1970 gmc with 402 bb?
No sludge that i know of 91,000 miles on it. Been mostly sitting since 1999. No idea on the rear gears.- gmc70
- Post #4
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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what oil to use in a 1970 gmc with 402 bb?
Just purchased a 1970 gmc c-20 camper special with 402 big block. Does anyone know what gm reccomended back in the day. Or what would be the best oil for it now. I have no idea what the last owner used- gmc70
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- Replies: 13
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles