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Thread: 700R4 capability
02-03-2014, 05:02 PM #1
See a lot of threads regarding 3/4 ton suburbans, but none on the 1/2 ton lineup! Anyway, I have a 90 v1500 with the 700R4 and I'm considering hauling a 76 Plymouth duster on my way back from visiting Tulsa, ok. It's about 1k miles and lots of big hills. The car itself weighs about 3,200lbs and will probably put it on a u-haul trailer. how will I fair with 214,xxx miles?Chuckie!!!
02-03-2014, 05:23 PM #2
If your transmission is in reasonably good condition, and you install a transmission cooler (heat is the killer of auto trans), and you shift into 3rd on the hills, you should be ok.Ray
'09 Avalanche LTZ - Black
'05 Envoy XL (sold)
02-03-2014, 07:13 PM #3
That's the million dollar question for me too. I have no clue how many pounds a stock 700R4 is rated to pull, but, they are used in the "light-duty" 3/4 ton pickups, so they have to be reasonably strong.
Once a year I tow my 10,000 pounds worth of camper with my 1991 Suburban 1500 and several times a year I regularly tow 6000+ pounds of car trailer with various vehicles and loads. Whenever I'm not towing empty, I'm in drive, not OD. I have a nice-sized stacked-plate cooler and a deep transmission pan and don't have any troubles.
I'd say with a cooler, you'd be fine hauling the Duster around.Christopher
1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
2005 Saturn ION-2 Stock 277K miles
1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half
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02-03-2014, 08:35 PM #4
02-03-2014, 09:14 PM #5
You really need an external cooler as the factory one in the radiator doesn't cool well enough.
02-03-2014, 09:16 PM #6
02-04-2014, 06:53 PM #7
02-04-2014, 10:23 PM #8
02-05-2014, 02:01 PM #9
My average transmission pan temperature when cruising down the interstate at 70 with no trailer is typically around 175-200. The temp when towing a trailer doesn't really change from that.
02-05-2014, 04:04 PM #10
Where should I install the trans temp sending unit?
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