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Old 07-25-2015, 09:15 PM   #1
Join Date: Jul 2015
Location: Washington state
Posts: 16
Year: 1988
Coachwork: Bluebird
Chassis: Gmc
Engine: 5.7l 350 v8, gmc
Rated Cap: 41 passenger
Oil amount

How many courts of oil does my 1988 gmc with a 350 v8 need? I've been told its model b6000 as well if that matters
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Old 07-25-2015, 09:51 PM   #2
Bus Crazy
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Join Date: May 2015
Location: Oklahoma aka "God's blind spot"
Posts: 1,464
Year: 1989
Coachwork: 1853FC International/Navistar
Chassis: 35' Retired Air Force Ambulance
Engine: DT466, MT643
Rated Cap: 6 souls and a driver
had many 350 car and truck gasoline engines over the years...
it was always 5 quarts w/ filter change.

I'm not aware of the 350 bus engine being any different than one of them, except 2 Bolt Main and 4 Bolt Mains.

but, I'm no where near an expert on bus engines.
If it were me, I'd change filter and start reading the dipstick after putting in the 4th quart.

Now, my 2005 suburban's oil capacity for the 5.3 liter is 6 quarts w/filter change... but it's the engine where they mounted the oil pump behind timing cover (non-issue for 1988)
I once complained I had no shoes....
Until I met a man with no feet
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