Check your u-bolts. Pull one out and make sure they haven't rusted down to toothpicks by the bracket area. I replaced mine and 6 or the 8 studs broke when I was taking them off. Better to find out in your garage rather than on the highway hauling.
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7500 is with the max trailering pkg which includes 3.73 axle
Check your u-bolts. Pull one out and make sure they haven't rusted down to toothpicks by the bracket area. I replaced mine and 6 or the 8 studs broke when I was taking them off. Better to find out in your garage rather than on the highway hauling.
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One of the hardest loads you can put on a drivetrain is getting a heavy load moving from a dead stop.Ok, newb question. Why is the Manual trans rated at half the automatic?
Thanks!
One of the hardest loads you can put on a drivetrain is getting a heavy load moving from a dead stop.
With a manual trans the best torque multiplication/gear reduction you can get is 1st gear, what you got is all you get.
With an auto trans, the torque converter, (at the very start,) will multiply the torque up to about 2:1, so, in effect, you are starting off in a "granny gear", so to speak.
With a TH350/4L60E, 1st gear is about 3.08,, but when you mash the go-pedal from a dead stop, the effective ratio, (for the first few feet,) is like having about a 6:1 granny gear to get moving.
In a manual trans, your only option is to keep the engine revs up and try not to burn-up your clutch, or stall the engine, to start moving.
The torque ratings on those little TBI engines were not all that great to begin with, and they need all the help they can get.
most likely for liability. heavy trailers will kill clutches and nv3500s (especially early nv3500s, single rail nv3500s seem pretty stout). To keep from replacing them under warranty they cut the ratings in half.Ok, newb question. Why is the Manual trans rated at half the automatic?
Thanks!
Um, No.
If it's a 91, unless it has the F44 suspension package (14 bolt semi-float), you're limited to 6500 max. Might be even less if you don't have 3.73 gears like you said. Mine's a 92 with F44 3.73, and 7,000 is my max. I have the paperwork if you'd like to see it. It's for 1992 but there was no difference- the numbers will be the same.