Forum Discussion
noteven
Jul 13, 2014Explorer III
ronfisherman wrote:
May not find a owners manual for a 1984 Rockwood. But may be able to find one for the chassis. What chassis is your MH on?
If this is unsuccessful then search for a manual for a commercial truck that used the same engine.
Clicky
https://www.google.ca/search?q=1984+Ford+F750+owners+manual&tbm=isch&tbo=u&source=univ&sa=X&ei=DHfCU9S6DoG3igLH1YCgBg&ved=0CEAQsAQ&biw=1536&bih=676#q=1984+GMC+7500+owners+manual&tbm=isch
Edit: sometimes the recommended engine oil spec is found printed on the oil fill cap on the engine.
You could also phone your favorite oil brand's customer assistance toll free number and use what they recommend. They wouldn't generally recommend incorrect lubricants which might lead to a lube-related failure...
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