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1950 1/2 ton - 216 w/ Rochester. Gas mileage? #797852 Mon Nov 14 2011 05:03 PM
Joined: Jun 2008
Posts: 1,241
S
Spotbiltxo Offline OP
Shop Shark
Searched but couldn't find anything on gas mileage expectations for our trucks, so could someone give me an idea what I can expect with my truck? I have a 1950 half ton with a 216 cid engine running a Rochester carb. Stock three-on-the-tree tranny with what I assume are 411:1 gears.

Thanks much.


Chuck
1950 Chevy 1/2 ton (original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: Gas mileage? [Re: Spotbiltxo] #797871 Mon Nov 14 2011 05:51 PM
Joined: Dec 2003
Posts: 2,736
53moneypit Offline
Shop Shark
In my experience most of them do about 12-16 MPG. Not really as good as you'd expect but the way they are driven is a BIG part of the mileage. I've seen claims as high as 24 but no one believes that.

On the other hand I have a new International TerraStar with the V8 diesel and Allison AT and it only gets 5.5-6 MPG @ 65 MPH. Just awful mileage. I hate this thing. So it all depends on your perspective and expectations I guess as to what is good and what isn't good mileage.


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain
Re: Gas mileage? [Re: 53moneypit] #797878 Mon Nov 14 2011 06:27 PM
Joined: Jan 2009
Posts: 1,693
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Pete52 Offline
Shop Shark
I've been driving my 52-3100 for two years now and the frist year I had the 216 and now I've got a 235 both have been getting like Dave said 12 to 16 MPG it's same as your 50 three on the tree with 4-11 rear gear.


Pete

Re: Gas mileage? [Re: Pete52] #797935 Mon Nov 14 2011 09:45 PM
Joined: Jan 2004
Posts: 222
N
Nifty 50 Offline
Shop Shark
I have a '50 3100 with a '62 261, with correct 261 Rochester B. I get about 10 to 12.


1950 Chevy 3100
261, 4 speed
Purchased 1977

1964 Pontiac Lemans Convert
Re: Gas mileage? [Re: Nifty 50] #798008 Tue Nov 15 2011 02:41 AM
Joined: Feb 2001
Posts: 6,614
W
WE b OLD Offline
Master Gabster
I have a 54/3100/235 with 2 rochesters and dual exhaust and a nova 2.73 rear end also a t-5 tranny.. i was getting 12-13 around town until put in E-3 plugs and it jumped 25%. as far as 53moneypits comment. i have gotten as high as 24mpg and i have the records to prove it. no it is not usual but i have averaged over 20mpg on my trips to Kansas City. i also had a witness, JDL. that said with a original set up i would say 12-15.

Last edited by WE b OLD; Tue Nov 15 2011 02:41 AM.

Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: Gas mileage? [Re: WE b OLD] #798068 Tue Nov 15 2011 05:32 AM
Joined: Jun 2008
Posts: 1,241
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Spotbiltxo Offline OP
Shop Shark
Well, thanks everyone who gave me their opinions about what gas mileage to expect with my setup. It's disappointing, but guess it's what it is and I'll just have to accept it. I realize these old trucks were never meant to be driven on improved roads, much less highways or interstates, but you would have thought that farmers would have complained about the low mileage even way back then and improvements would be made. Gas was cheap compared to today's prices, but pretty pricy way back then. Seems like the gears could have been improved so as to give a higher mpg. We B Old talks about improved performance with those new "E" plugs I've heard about. I'm going to buy a set and give 'em a try if they make 'em to fit my truck. If they increased his mpg by 25% it will be worth the money!!

Thanks again everyone.



Chuck
1950 Chevy 1/2 ton (original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: Gas mileage? [Re: Spotbiltxo] #798123 Tue Nov 15 2011 03:08 PM
Joined: Sep 2001
Posts: 28,886
tclederman Offline
Boltergeist

Late 40s and early 50s?

Adjusted for inflation, gas was about 30% cheaper back then compared to now.

Also, farmers most likely did not drive trucks very far or for very long times.

They needed low-speed rear ends (and, 4-speeds with sub-low first gears) and relatively high torque (for carrying/pulling heavy loads and for pulling stumps/dead-animals/etc). The stovebolt engines and 4.11 rear ends were just what the farmer needed to order.

At the speeds the trucks were intended to run (and at the speeds that farmers ran them), there was no need to consider streamlining (although, the Advance-Design body was streamlined in comparison to prior bodies).


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Gas mileage? [Re: tclederman] #799312 Sun Nov 20 2011 02:49 AM
Joined: Feb 2007
Posts: 462
T
Tramp Offline
Shop Shark
I've managed to average about 15/mpg with my 230 and the 3 on the ree. But...there is always a but, I did recent;y find a complete OD tranny from a 61 Bel-Air that I've been looking at, and with that hope to improve the MPG up to around 19 steadily. Now if I can remember where I put that sack of "extra" money I had, I'll be in business.
Tramp


dj durant

1964 Chevrolet C-10 Pickup Truck
In the Stovebolt Gallery
More pix on Flickr
Re: Gas mileage? [Re: Tramp] #799361 Sun Nov 20 2011 05:07 AM
Joined: Jun 2008
Posts: 1,241
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Spotbiltxo Offline OP
Shop Shark
Tramp, I think we ALL have problems remembering where our stash of cash is. Somehow I always forget where I put mine!!!


Chuck
1950 Chevy 1/2 ton (original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: Gas mileage? [Re: Spotbiltxo] #799398 Sun Nov 20 2011 02:11 PM
Joined: Feb 2001
Posts: 6,614
W
WE b OLD Offline
Master Gabster
I know where mine is too see it all have to is look at my truck and there it is. blush


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
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