8.2l mileage...was the guy B'Sing me?? - Diesel Forum - TheDieselStop.com
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Old 03-14-2005, 08:19 PM   #1 (permalink)
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8.2l mileage...was the guy B'Sing me??

At a little gas station in WA coming back from kids, a guy pulls in with a Budget 26' van pulling a 12' u-haul trailer. Said it had an 8.2l in it and he was getting 10-11 mpg, staying under 60 mph.
Seemed like a straight shooter. Could that mileage be accurate?
Dave
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Old 03-14-2005, 08:53 PM   #2 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

yes you can believe it.i had two different trucks with 8.2 engines in them,they were good on power,fair at being reliable,but when it came to fuel mileage they really shined.fact is they were named {fuel pincher}engines by gm ..
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Old 03-14-2005, 08:54 PM   #3 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

Very good MPG but a hog for maintenance.
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Old 03-15-2005, 10:32 AM   #4 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

I had 2 wwwwaaaaaayyyyyy back when, in SA grain trucks. 6-10 mpg, 11-12,000 mphg (miles per head gasket). They got swapped for 3208's by the next owner, still running I hear.
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Old 03-15-2005, 11:27 AM   #5 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

i had one in a 84 GMC 7000, it never carried a load, and got about 13-15. good on power too, that turbo really pulled. but yes, a hog on maintenance, and it's hard to find shops that will do anything with them anymore. even tune ups. local Detroit Diesel shops wanted about $750.00 to set the injectors, idle, rockers, etc.
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Old 03-15-2005, 01:47 PM   #6 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

[ QUOTE ]
Very good MPG but a hog for maintenance.

[/ QUOTE ]

Well, shoot, that's disappointing. can the maintenance be done by an average diesel guy? I guess I'm talking up to and including headgaskets.
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Old 03-15-2005, 02:59 PM   #7 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

I think the injector setup is the trickiest part. I know I was waiting for mine to get done (heads of course) and the guy said I would have to wait another day, seems his man had not set them up right. Parts are also no longer really available for them, it's hit and miss.

They do use very cheap oil filters though [img]/ubbthreads/images/graemlins/wink.gif[/img]

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Old 03-15-2005, 03:20 PM   #8 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

One I drove back in the 80's when it was new got about 6-7 mpg as a single axle semi tractor pulling a 45 ft trailer, sometimes grossing 40,000-50,000#..... Most of the time I drove it, it was "A V-6".... or maybe V-5..... Thing would disappear for a couple days, and run better..... then start dropping cylinders.
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Old 03-15-2005, 10:55 PM   #9 (permalink)
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Re: 8.2l mileage...was the guy B'Sing me??

The 8.2 is no longer manufactured. Nor are any reman engines even made. They made a whole bunch 2 years ago and when they are gone they are gone. Parts will be scarce, Best is to repower with something yellow colored. There were 2 major flaws with the 8.2. The cylinder bores were free floating, meaning that the top upmost on the bores were NOT attatched to the sides of the block. This was what caused the head gaskets to fail. [img]/ubbthreads/images/graemlins/bleh.gif[/img] The other problem was the oil pump. It was a bushing in the front of the engine and it had a tendency to seize. Of course if you could use the o/s bushing then ok. Otherwise a new block was needed. [img]/ubbthreads/images/graemlins/bleh.gif[/img] Just forget it, and get something still being manufactured. [img]/ubbthreads/images/graemlins/wink.gif[/img]
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