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Old 10-26-2010, 10:46 AM   #1
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1964 26' Overlander
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Anyone tow with a Mid-seventies Suburban?

Looking at a mid-seventies bare bones suburban for a TV for our '64 Overlander.

350ci, auto, 4wd, etc,etc

anybody have an guess on mpg towing? currently using a E150 with 5.4l and getting 8-8.5 mpg!!!
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Old 10-26-2010, 11:06 AM   #2
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Years ago I towed with a '74 Chevrolet 3/4 ton pickup, 350, auto, 4.10 gears, 2wd, and it did the job handily. However, those were carburated engines, and the fuel mileage was not good. I do not remember the numbers off hand, but seems it was simular to your Ford van. I was towing a 24' Argosy at the time.
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Old 10-26-2010, 02:08 PM   #3
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1998 19' Bambi
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Mid 70's towed 23ft Square Box with 72 Blazer K10 4x4 350cid 3:53 axle no emmisions (super strong brute) ... Fla,NC,Va,ME, Maritimes CN,Yellowstone, Rocky Mountain NP,Glaicer NP and a lot more etc ran great when I sold it at 165,000 miles ....mileage towing 8 ............ 6 mountains.. but gas was much less then....
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Old 10-26-2010, 04:03 PM   #4
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The mileage probably won't be much different from what you're getting, but you might convert it to fuel injection and do better. It will certainly get you down the road.

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Old 10-26-2010, 05:07 PM   #5
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Yes I do but brakes, comfort and mileage suffer compared to modern units. We use ours on short trips when we want to look like we are 40 years late to the party............ I enjoy it but I am usually out voted by the creature comfort contingent. We do have a newer Suburban that is used most of the time.

1972' K20 Suburban w/350, 4:10 rear and GV over/underdrive.
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Old 10-26-2010, 05:56 PM   #6
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I tow with a '74 1/2 ton p/u with a 350. It gets about 10mpg towing my '63 tradewind. A suburban would probably get slightly less with it's extra weight and 4-wheel drive.
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Old 10-26-2010, 06:04 PM   #7
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I have been checking Craiglist looking for a Suburban, Durango or something similar. I want something that has a solid trans, engine and rear end. I really do not care what it looks like in the inside or outside. As long as it works. We will be pulling a 1960 Overlander with it. Price is the big issue.

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Old 10-26-2010, 07:30 PM   #8
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Quote:
Originally Posted by 59er View Post
Looking at a mid-seventies bare bones suburban for a TV for our '64 Overlander.

350ci, auto, 4wd, etc,etc

anybody have an guess on mpg towing? currently using a E150 with 5.4l and getting 8-8.5 mpg!!!

It won't be any better, especially with 4WD. If you can find mpg numbers for the truck at 55 mph from the era, deduct 30-40% from that as a baseline (true even today).

You're much better with a modern truck just from the standpoint of reliability. I like old cars and have rebuilt them and used as daily drivers. But towing is a whole other set of strains. Start with new electrical harnesses, engine, dash, body would be my advice. Completely new cooling system, upgraded, is second. And a custom built T400 (not T350) transmission is third.

Good luck

.
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