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Engine Oil For 1985 454
Posted 10 March 2012 - 08:00 PM
Start by looking in the owners manual/consulting Chevy for the oil viscosity they recommend for that engine for the ambient temperatures you will be experiencing.
Dianne and Brett Wolfe
1997 Safari Sahara 3540
Moderator, FMCA.com Forums
Chairman, FMCA Technical Advisory Committee
Member, FMCA Long-Range and Development Committee 2007-2009
Moderator, http://www.dieselrvclub.org/(FMCA chapter)
Posted 10 March 2012 - 08:20 PM
Posted 10 March 2012 - 11:42 PM
I just sold my 86 Mallard with a 454. Mfg called for 10/30 oil. I used synthetic blend from Firestone. It is Kendall.
I use that oil in the last 4 vehicles with no problem.
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