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That Guy
July 29th, 2015, 05:01 AM
I was wondering what kind of oil i need to use for my 1965, 1500 series 305 v6 can anybody help me out?
gmc1963
July 29th, 2015, 05:37 AM
http://6066gmcclub.com/forum/showthread.php?t=48633
Ed Snyder
July 29th, 2015, 06:42 AM
I was wondering what kind of oil i need to use for my 1965, 1500 series 305 v6 can anybody help me out?

See my comments at http://6066gmcclub.com/forum/showthread.php?t=48808
TJ's GMC
July 31st, 2015, 03:54 PM
Currently running rotella 15-40 in mine. During the winter time I'll go to a SAE 30 or 10-30.