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04-17-2008, 04:34 PM
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#1 |
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Garage wrench
Join Date: Feb 2008
Location: LaCrosse, WI
Posts: 1,855
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estimated MPG?
I am looking into buying a 1982 Chevy with an inline 6 and a 4 speed manual with od. I am wondering if anyone has/had a similar combination and what you were getting out of it for mpg. I am thinking it should be a suitable daily driver with that drivetrain combination.
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-Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD..... |
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04-18-2008, 06:45 AM
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#2 |
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Registered User
Join Date: Jan 2007
Location: albany oregon
Posts: 168
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Re: estimated MPG?
my 73 has a 6 cyl 4 speed no overdrive, granny, and I just checked my tankfull and got 12.3 mpg, back and forth short trips. that 0/d should get you better than that. bob
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04-18-2008, 08:05 AM
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#3 |
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Garage wrench
Join Date: Feb 2008
Location: LaCrosse, WI
Posts: 1,855
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Re: estimated MPG?
thanks, that gives me a good idea of what to expect
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-Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD..... |
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04-18-2008, 01:34 PM
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#4 |
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Registered User
Join Date: Feb 2007
Location: Memphis MI
Posts: 1,851
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Re: estimated MPG?
My 82 3/4 with 250 and 3 on the tree got 15mpg. If you kept the top speed down and coasted up to the stops you could get 17. 3.43 gears, 245/75/16.5 radials.
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1987 2 ton  1982 250/TH350 beater in progressDad's 1981 3/4 L6 3 on tree posi and no options, awaiting restoration or scrappingPlus a mess o' tractors |
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04-18-2008, 07:27 PM
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#5 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: estimated MPG?
The overdrive gear is going to get your more mileage just on it's own. It was kind of a rare transmission in the early 80's so it's not very common but they do pop up from time to time. You should get 2-3 MPG over what people with 1:1 gear transmissions are getting.
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