4R70W vs. The E4OD
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Junior User
Joined: Sep 2008
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From: Ca
4R70W vs. The E4OD
Whats the better transmission? My f150 has the 4R70W, but it seems like many other owners have E40D. Why were there two different
transmisions offered?
Also, which do you think is the better transmision?
transmisions offered?
Also, which do you think is the better transmision?
Post Fiend
Joined: Jan 2007
Posts: 7,021
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From: Almost Heaven
Don't know much about the other transmission but I find my E4OD to be sloppy, power robbing, doesn't tolerate heat well and is very sluggish at going into gear, especially cold. However my transmission is still doing it's job - so I can't compain too much can I?
I'm not the original owner so I don't know all the work my tranny may have had in the past.
I'm not the original owner so I don't know all the work my tranny may have had in the past.
Post Fiend
Joined: Nov 2008
Posts: 23,849
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From: McKenzie River
E40D........without a doubt, for the heavy duty applications.........With a LARGE aftermarket trans. cooler, they will give no troubles........Failures with most any auto trans are heat related.
Senior User
Joined: Sep 2006
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my 94 super cab is a 302 "smaller engine" E4OD. not sure if they ever put it behind a 4.9 6 cyl. E4OD is better though, its a C6 with OD.
Senior User
Joined: Jan 2009
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From: Brampton, On. Can.
Yes, there was several different combos they put together in the Pre'97s and I have never been able to figure them out.
Post Fiend
Joined: Apr 2004
Posts: 6,473
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From: Lafayette, IN
I don't know about trucks, but I have a friend with a mid-90's E150 that has a 4.9L/E4OD combo.
There are also a couple versions of the E4OD from what I can tell. For one, there are two different bellhousing patterns--300/302/351 and 460/diesel. With the different bellhousing also comes different torque converters, too, I think. The small V8s and I6 get a lighter duty T/C than the big V8/diesel. I think the lock-up clutch is 3 plates vs. 1 plate or something like that.
Jason
There are also a couple versions of the E4OD from what I can tell. For one, there are two different bellhousing patterns--300/302/351 and 460/diesel. With the different bellhousing also comes different torque converters, too, I think. The small V8s and I6 get a lighter duty T/C than the big V8/diesel. I think the lock-up clutch is 3 plates vs. 1 plate or something like that.
Jason
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FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
All automatic trannys will benefit from a shift kit and some much more than others, these are mass produced components and tolerances vary a lot.
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The E40D is definitely the heavier duty transmission.
I have the 4R70W in my truck. I will say that in a F150 with a 302 I would rather have my 4R70W. It shifts much better and more predictable than the E40D. My 4R70W has over 270k miles on it.
My previous truck that I had back in the late 90's was a 95 F150 4.9 E40D. It shifted just like 6CylBill describes.
It depends what the truck is used for, as to which is better.
While we are talking about transmissions, what makes a 4R70W different than an AODE from a Mustang or Crown Vic?
I have the 4R70W in my truck. I will say that in a F150 with a 302 I would rather have my 4R70W. It shifts much better and more predictable than the E40D. My 4R70W has over 270k miles on it.
My previous truck that I had back in the late 90's was a 95 F150 4.9 E40D. It shifted just like 6CylBill describes.
It depends what the truck is used for, as to which is better.
While we are talking about transmissions, what makes a 4R70W different than an AODE from a Mustang or Crown Vic?
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
They're essentially the same thing just different steps of the evolution from the all mechanical AOD to a tranny with some electronic controls(AODE) to one with a deeper first gear and various internal upgrades for higher capacity(4R70W).
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Junior User
Joined: Sep 2008
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From: Ca
I think its wiered that Bills has the E4OD, and yet I have the 5.0 and have the 4R70W... especially because I have bigger engine with more output... My truck has 102,000 right now and seems to run perfectly especially after I changed the plugs, wires, and cap... The last owner never changed the plugs, so they were the original plugs from the factory
The transmission seems fine to me... no problems whatsoever...
The transmission seems fine to me... no problems whatsoever...
Post Fiend
Joined: Jan 2007
Posts: 7,021
Likes: 5
From: Almost Heaven
I think its wiered that Bills has the E4OD, and yet I have the 5.0 and have the 4R70W... especially because I have bigger engine with more output... My truck has 102,000 right now and seems to run perfectly especially after I changed the plugs, wires, and cap... The last owner never changed the plugs, so they were the original plugs from the factory
The transmission seems fine to me... no problems whatsoever...
The transmission seems fine to me... no problems whatsoever...
Your engine isn't bigger.
I think all mid 90's have the E4?