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03-22-2015, 09:19 PM
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#1 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Oil Capacity GMC 270?
My dipstick dosen't seem to give an accurate read and the manual says fill it to full. Curious a 270 being a "Big 6" how many quarts of oil is recommended for an oil change?
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03-22-2015, 11:01 PM
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#2 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Re: Oil Capacity GMC 270?
I found it looks like 8 quarts for 6 cly 5 for 8 cyl.
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03-22-2015, 11:34 PM
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#3 |
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Senior Member
 
Join Date: Aug 2010
Location: Shasta Lake, CA.
Posts: 1,624
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Re: Oil Capacity GMC 270?
Hmmm, fill it until its full ....
I had a customer drive in with smoke pouring out of everywhere. She asked for oil and I asked "Have you checked the dip stick ?" She said "Whats, a dip stick ?" She would just look in the oil fill hole in the valve cover and keep pouring in oil until she could see it. Short story I drained 30 quarts out of her 230 cu.in. Chevy 6. DOH ! And showed her how to use the dip stick.
__________________
Glen & Jane's Rides ‘57 GMC NAPCO Long Bed V8 4 speed Bought 2008 7 other cars & trucks , 5 trailers '56 Chevy Long Bed I6, 4 speed Bought 1990 Sold 8.22.2020 ’56 GMC Suburban Pickup V8, 4 speed Hydramatic Bought 1996 Sold 10.11.2020 My Other Tinkerings http://67-72chevytrucks.com/vboard/s...75#post8967275 |
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04-11-2015, 01:40 AM
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#4 | |
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Registered User
Join Date: Dec 2012
Location: North Carolina
Posts: 4,989
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Re: Oil Capacity GMC 270?
Quote:
__________________
1971 GMC Sierra 1959 GMC 100 |
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04-11-2015, 10:05 AM
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#5 |
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Registered User
Join Date: Jan 2014
Location: Peoria, IL
Posts: 1,450
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Re: Oil Capacity GMC 270?
30 quarts? Geesh. I used to work in a small repair shop and I've seen some crazy stuff too.
I'm not discounting your story, but I don't see how the engine would even turn over with 30 quarts in it. I would think it would hydro-lock. |
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03-22-2015, 11:46 PM
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#6 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Re: Oil Capacity GMC 270?
Wow. Now thats a new one. When I bought my rig it didn't have a dipstick so purchased one out of a 248 so lil weary of accuracy.
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03-22-2015, 11:47 PM
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#7 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Re: Oil Capacity GMC 270?
Sorry meant manual indicates fill until the full line on the dipstick.
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