| Re: [GMCnet] 4.8 MPG [message #324212 is a reply to message #324208] |
Fri, 22 September 2017 14:18  |
Jerry Wheeler
Messages: 246
Registered: January 2013
Karma:
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Senior Member |
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The old sage said "8 to 10 depending on whether you tow or not". None
other than Gene Fisher...........
JR Wheeler 78 Royale NC/OR
On Fri, Sep 22, 2017 at 2:31 PM, Gary Worobec wrote:
> I can;t recall who it is but some old sage on this list when asked how
> many mpg you should get with a GMC always answers “8 to 10 mpg”. Over the
> dozen or so years we have had our coach he is right on. No matter what you
> use, a carb or FI, what distributor you have, headers or no headers, a a 23
> or a 26, towing or not towing it always is between “8 to 10”.
>
>
>> On Sep 22, 2017, at 8:51 AM, Justin Brady wrote:
>>
>> Yep that's what I found.
>> I only had to downshift once after richening it up a bit and that was a
> crazy grade.
>> Mileage suffers a bit but totally worth it in the mountains imho
>> --
>> Justin Brady
>> http://www.thegmcrv.com/
>> 1976 Palm Beach 455
>>
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>
> Gary Worobec
> gtw5@earthlink.net
> 1973 23 GMC Glacier
> Howell EFI/EBL
>
>
>
>
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