What gears do I have?
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What gears do I have?
I want to find out what I have without pulling the cover off.....
Here is whats on the tag (best as I can see it anyway)
5121 c
L55 10 2 2HI
Door tag
Axle C9
Springs 94A
WB 155
Type X268
Body FBM
Trans E
Here is whats on the tag (best as I can see it anyway)
5121 c
L55 10 2 2HI
Door tag
Axle C9
Springs 94A
WB 155
Type X268
Body FBM
Trans E
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At 60 mph I'm way down in rpm less than 2,000 I have 33" tires too.
I'm looking to possibly go to 4.10's for pulling my race trailer
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Yeah, but I wanted to make sure......I also have another one but it has a different code on it with 3.55's but I guess its a open diff. So I wanted to make sure
Post Fiend
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From: Nutter Fort, WV
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I really need gears b/c if I keep it at 2,000 rpm it does great towing.
I towed my car tonight and it did good as long as you keep the rpm up..going up hills etc.
At 2,000 I was doing 75 mph....so Its faster than I want to go.
Where would a 3.73 and a 4.10 put me? at that rpm
I towed my car tonight and it did good as long as you keep the rpm up..going up hills etc.
At 2,000 I was doing 75 mph....so Its faster than I want to go.
Where would a 3.73 and a 4.10 put me? at that rpm
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I tow my enclosed in OD also.....everything there is about 9500#
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
Try locking it out of OD when you tow the trailer.
Unless you will only be driving the truck when towing, I can't see going to the expense of gear changes in a 4x4 that will hurt the MPG when just driving the truck.
2200 RPM with 33" tires and OD locked out at 60 MPH with 3.55 gears.
2540 RPM with 33" tires and OD locked out at 70 MPH with 3.55 gears.
OD locked out should make the truck pull the hills much better and make the tranny happier.
Unless you will only be driving the truck when towing, I can't see going to the expense of gear changes in a 4x4 that will hurt the MPG when just driving the truck.
2200 RPM with 33" tires and OD locked out at 60 MPH with 3.55 gears.
2540 RPM with 33" tires and OD locked out at 70 MPH with 3.55 gears.
OD locked out should make the truck pull the hills much better and make the tranny happier.
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Try locking it out of OD when you tow the trailer.
Unless you will only be driving the truck when towing, I can't see going to the expense of gear changes in a 4x4 that will hurt the MPG when just driving the truck.
2200 RPM with 33" tires and OD locked out at 60 MPH with 3.55 gears.
2540 RPM with 33" tires and OD locked out at 70 MPH with 3.55 gears.
OD locked out should make the truck pull the hills much better and make the tranny happier.
Unless you will only be driving the truck when towing, I can't see going to the expense of gear changes in a 4x4 that will hurt the MPG when just driving the truck.
2200 RPM with 33" tires and OD locked out at 60 MPH with 3.55 gears.
2540 RPM with 33" tires and OD locked out at 70 MPH with 3.55 gears.
OD locked out should make the truck pull the hills much better and make the tranny happier.
gear swaps in these things are big bucks........and I thought race cars were expensive....9" stuff is cheap compared to these
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Plus you have two of them to do which makes it even worse.
Talk about airplane gears, if you could tach it out in overdrive, you would hit 128.53 MPH at 3300 RPM.
As for you missing a number on the tag, it is rather common, the 3 is probably under the bolt head that holds the tag on.
I see the same thing when I look at my tag.
A turbo would still help you drag that trailer, but the RPM would be so low in overdrive you would still want to lock out the overdrive before you hit a hill to get the RPM up.
Talk about airplane gears, if you could tach it out in overdrive, you would hit 128.53 MPH at 3300 RPM.
As for you missing a number on the tag, it is rather common, the 3 is probably under the bolt head that holds the tag on.
I see the same thing when I look at my tag.
A turbo would still help you drag that trailer, but the RPM would be so low in overdrive you would still want to lock out the overdrive before you hit a hill to get the RPM up.
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Probly 6 months before I have enough saved for the turbo
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
From what I have read, most of the really weak parts in the E4OD tranny should have been replaced in a factory reman unit as new as 04.
I also know that a lot of the E4OD problems were from people that wanted car shifting from a truck transmission.
Caused problems even when used as a car, downright headaches when used as a truck.
A shift kit and control module upgrade fixed a lot of the excessive slippage and reduced the tranny heat, all good things.
I also know that a lot of the E4OD problems were from people that wanted car shifting from a truck transmission.
Caused problems even when used as a car, downright headaches when used as a truck.
A shift kit and control module upgrade fixed a lot of the excessive slippage and reduced the tranny heat, all good things.