Simple question, PLEASE answer!
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Post Fiend
Joined: Jan 2007
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From: Almost Heaven
Simple question, PLEASE answer!
Hey fella's. I finally figured out for a fact which transmission I have. It's an E40D with OD. Can someone please tell me which speed it is? I *thought* it was a 5 speed. Now I'm not so sure.
Are E40D'S tough??? I'm actually confused right now because I thought I was the "cheapy" mazda tranny.
Thanks in advance! You guys always answer my questions, no matter how rookie they are. :P
Are E40D'S tough??? I'm actually confused right now because I thought I was the "cheapy" mazda tranny.
Thanks in advance! You guys always answer my questions, no matter how rookie they are. :P
I'll have the Roast Duck
Joined: Jul 2002
Posts: 9,622
Likes: 108
From: Northshore, MN
e4OD is an automatic trans that started in f150's in 1989. It has 4 forward gears, and electronic shift. It is basically a C6 with the extra OD gear. C6's were still optional in 1994, so if you didn't have OD, then it's a C6. But you say you do so.... It'll handle the 300 just fine.
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Post Fiend
Joined: Jan 2007
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From: Almost Heaven
Originally Posted by havi
e4OD is an automatic trans that started in f150's in 1989. It has 4 forward gears, and electronic shift. It is basically a C6 with the extra OD gear. C6's were still optional in 1994, so if you didn't have OD, then it's a C6. But you say you do so.... It'll handle the 300 just fine.
Thank you sir. You answered my questions. =)
A mod could delete this thread or whatever.
Thanks again!
Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
Originally Posted by havi
e4OD is an automatic trans that started in f150's in 1989. It has 4 forward gears, and electronic shift. It is basically a C6 with the extra OD gear. C6's were still optional in 1994, so if you didn't have OD, then it's a C6. But you say you do so.... It'll handle the 300 just fine.
I ask because I heard lots of bad things about the former & interesting debates about the latter, thank'ee.
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Post Fiend
Joined: Jan 2007
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From: Almost Heaven
Originally Posted by rivet96
An E4OD i think is a tough transmission, I havent heard anyone complain about it. I've seen plenty of aftermarket parts for them aswell.
I'll have the Roast Duck
Joined: Jul 2002
Posts: 9,622
Likes: 108
From: Northshore, MN
I like the AOD for everyday driving. It is smaller and lighter than the E4OD. Both my tbird and '85 F150 have AOD's and work just fine. I've abused both without any failure. AOD's can be built to withstand 800hp, so there's always potential, lol.
Heat will ruin any transmission, no matter what type. 6cybill, may I suggest an aftermarket add-on transcooler?
One transmission I avoid like the plague is the A4LD.
PS: when towing or plowing snow, the C6 has always been in my trucks. I have no firsthand experience with the E4OD, except for the one at work.....which has held up ok.
Heat will ruin any transmission, no matter what type. 6cybill, may I suggest an aftermarket add-on transcooler?
One transmission I avoid like the plague is the A4LD.
PS: when towing or plowing snow, the C6 has always been in my trucks. I have no firsthand experience with the E4OD, except for the one at work.....which has held up ok.
Last edited by havi; Jan 21, 2008 at 10:01 PM.
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Postmaster
Joined: May 2002
Posts: 3,241
Likes: 3
From: Broken Arrow, OK
The E4OD has its share of problems, a weak sprag that can barely handle the small engines on the option list for example. Diesel guys don't like them becaue they are too weak to handle any significant upgrades to the 7.3 PSD.
The stupidist thing about the AOD is that it uses dual input shafts. The larger sends power to 1st and 2nd gear and allows for converter slippage and thus torque multiplication through the converter. In 3rd and 4th the other shaft sends power directly from the crank to the gears without any torque multiplication. That is why vehicles with the AOD feel so gutless on the highway.
The stupidist thing about the AOD is that it uses dual input shafts. The larger sends power to 1st and 2nd gear and allows for converter slippage and thus torque multiplication through the converter. In 3rd and 4th the other shaft sends power directly from the crank to the gears without any torque multiplication. That is why vehicles with the AOD feel so gutless on the highway.
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Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
A desent Trans builder should be able to solves the design problems built into the AOD, correct?
I've come across some of the suppossed Performance Built & Design Flaw Corrected AOD's, but they want $2,700.00 for a starting price, which I find a tick over priced.
I've come across some of the suppossed Performance Built & Design Flaw Corrected AOD's, but they want $2,700.00 for a starting price, which I find a tick over priced.
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Post Fiend
Joined: Jan 2007
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From: Almost Heaven
Originally Posted by havi
I like the AOD for everyday driving. It is smaller and lighter than the E4OD. Both my tbird and '85 F150 have AOD's and work just fine. I've abused both without any failure. AOD's can be built to withstand 800hp, so there's always potential, lol.
Heat will ruin any transmission, no matter what type. 6cybill, may I suggest an aftermarket add-on transcooler?
One transmission I avoid like the plague is the A4LD.
PS: when towing or plowing snow, the C6 has always been in my trucks. I have no firsthand experience with the E4OD, except for the one at work.....which has held up ok.
Heat will ruin any transmission, no matter what type. 6cybill, may I suggest an aftermarket add-on transcooler?
One transmission I avoid like the plague is the A4LD.
PS: when towing or plowing snow, the C6 has always been in my trucks. I have no firsthand experience with the E4OD, except for the one at work.....which has held up ok.
Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
The Trans Cooler is usually mounted onto the Bottom of the Radiator for cooling purpasses & the the Trans fluid circulation lines are run along side the Frame Rails to the Trans circulation attachment points. Though most aftermarket Trans Coolers are mounted either directly in-front of or directly behind the radiator & then you run the lines & attach them to it.
Postmaster
Joined: May 2002
Posts: 3,241
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From: Broken Arrow, OK
The AOD can be improved tremendously by a knowledgable builder, but the input shaft SNAFU can't be completely overcome. You can install a one piece input shaft, but you lose the ability to lock the converter in high gear. That costs you mileage and can build a lot of heat in the trans, especially if you've got a looser converter in it.
Post Fiend
Joined: Jan 2000
Posts: 5,860
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From: Metro Detroit (Redford)
Good E4OD info:
http://www.becontrols.com/tech/ch6e4odinfo.htm
I had an E4OD in a '90 that performed flawlessly for me from when Ibought the motorhome at 52000 miles until I sold it at 87000 miles. You have a 94 which is better.
http://www.becontrols.com/tech/ch6e4odinfo.htm
I had an E4OD in a '90 that performed flawlessly for me from when Ibought the motorhome at 52000 miles until I sold it at 87000 miles. You have a 94 which is better.
Posting Guru
Joined: May 2007
Posts: 1,208
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From: North Reading Mass
I had an AOD in a 83 and it performed well to 220k miles. Used to haul a 4500lb trailer a couple times a year so I added a cooler and changed the trans fluid every 30k miles. My work truck has the E4OD and its great. I really like the starting off in "2" for slippery weather.
regards
rikard
regards
rikard
Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
Originally Posted by TallPaul
Good E4OD info:
http://www.becontrols.com/tech/ch6e4odinfo.htm
I had an E4OD in a '90 that performed flawlessly for me from when Ibought the motorhome at 52000 miles until I sold it at 87000 miles. You have a 94 which is better.
http://www.becontrols.com/tech/ch6e4odinfo.htm
I had an E4OD in a '90 that performed flawlessly for me from when Ibought the motorhome at 52000 miles until I sold it at 87000 miles. You have a 94 which is better.