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Old July 3rd, 2013, 07:18 PM   #1
86scottsdalek10
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Ford transmission questions- someone school me!

Ok so I have not been happy with the stock small block c6 or the TCI c6 I have either. The stock c6 in currently is mated to an explorer 5.0 FYI. Long first gear and I can't run it around town or past 55mph or it sucks gas. I've been told an 4r70 and some sort of aode trans out of a late 80's crown Vic has a much better first gear and an electric overdrive that i manually turn on when approaching highway speeds. Any truth to this or suggestions?

Btw I will be getting rid of one if not both trannies if I can locate one of these trans options.

Last edited by 86scottsdalek10; July 5th, 2013 at 08:13 AM.
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Old July 6th, 2013, 06:06 PM   #2
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Anyone? I know there is a plethora of information about this
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Old July 6th, 2013, 08:29 PM   #3
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There is a 4R70W for sale on here and then you would need a controller from Baumann Electronics to control it, that is what I have in my 71 Bronco and it works great.

If you do decide to go this route try and get a 1999 model year trans as it has all the upgrades you would want or you can buy the parts for the upgrades from Baumann as well.

Go to Baumanns website, they have a ton of info to read about the 4r70w.
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Old July 6th, 2013, 09:15 PM   #4
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My exp with 4Rw70 is ok.

Had one in van so to say you could feel it definably strain in 4900-5200 pound E150.

Only issue I had is sloppy shift in 2-3# randomly. But 20 MPG out is amazing.

I think E40D would be good since it stronger to handle off-road.
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Old July 7th, 2013, 07:46 AM   #5
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Thank you, it is a v8 but being half fiberglass it's rather light and I believe that 4r70w is the 4wd version
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Old July 8th, 2013, 12:43 AM   #6
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I had an e4od in my '97 F250 psd, I'd do an e4od instead od the 4r70w if you have the choice.
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Old July 8th, 2013, 08:14 AM   #7
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Are these two wheel drive e40d's pretty easy to find then?
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Old July 8th, 2013, 08:38 AM   #8
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I doubt you would gain much with an e4od, those things are a C6 with OD, very big and heavy.

Like I said in your other thread, I would do a C4, with a good converter. with a GOOD running 302 that thing should rip.

If you have the $$$ and have to have OD....go with the 4R70W and the aftermarket controller.

My 2 cents....
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Old July 8th, 2013, 09:23 AM   #9
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If you go E40D replace the torque converter with one from a C6. The stock ones are notoriously weak causing flex and they chew up the pump. Happened on several of the work trucks in my fleet years ago. C6 converter (with flexplate swap or redrilling) cures it.
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Old July 8th, 2013, 09:26 AM   #10
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Quote:
Originally Posted by Route55 View Post
If you go E40D replace the torque converter with one from a C6. The stock ones are notoriously weak causing flex and they chew up the pump. Happened on several of the work trucks in my fleet years ago. C6 converter (with flexplate swap or redrilling) cures it.

Not sure if that will even work but if it does you will lose lock up

No Thanks.
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Old July 8th, 2013, 10:27 AM   #11
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Quote:
Originally Posted by frdboy View Post
Not sure if that will even work but if it does you will lose lock up

No Thanks.
Yes, it will work, did it on 4-5 F-350 stake trucks that were eating a tranny a year. Yes you loose lockup, but basically no noticeable MPG loss and we never blew up one of the ones with a C6 converter.

Lockup converter with 1-2% better fuel mileage or blown up tranny......I'll take the stronger unit any day.
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Old July 8th, 2013, 10:38 AM   #12
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Why not just put in a good converter?

The nice thing about lock up is it keeps temps a lot lower, esp. on the highway.
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Old July 8th, 2013, 11:39 AM   #13
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Quote:
Originally Posted by frdboy View Post
Why not just put in a good converter?

The nice thing about lock up is it keeps temps a lot lower, esp. on the highway.
My tranny guy says they don't make a good E4OD converter.
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Old July 8th, 2013, 08:20 PM   #14
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Lol I'm not sure. Just want something lighter that will handle the abuse of being beat on and also have an overdrive gear for longer trips locally and better gearing. A good friend on here said the 4r70 out of a crown Vic has an amazing first gear and will give me what I want.
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Old July 8th, 2013, 08:36 PM   #15
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Look at the 02ish 3.8L mustangs. I assume your looking for 2wd?

When I was doing research on replacing the trans in the 70 Torino I had, I did a fair bit of searching in muscle and ford performance sights and this was a very popular swap. The mustang trans were good and plentiful and could be had cheap. And the 3.8L is the sbf bell housing. Still need the controller as it is a 4r70w.

My 98 explorer w/v8 has the 4r and its been rebuilt at some point in its life and shifts awesome in all gears. I love how it responds and acts. However my wife's 98 with the same setup is old and tired and shifts lazy. Hers is next.

Search car-part.com for a trans.
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Old July 8th, 2013, 08:36 PM   #16
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If you want light, the e4od is not the way to go. C4 will be about as light as you'll get.
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Old July 8th, 2013, 08:50 PM   #17
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http://www.fordmuscleforums.com/tran...ssic-ford.html
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Old July 8th, 2013, 10:18 PM   #18
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Sorry, I missed the part about getting light, I agree with Adam here, get a c4, build it and wheel it.
C4s are almost like a powerglide these days, in the sense you can build one completely from aftermarket parts, and good parts at that. I had a guy do mine in my '76 bronco a couple years ago, I supplied the case and had a convertor, it was $375 in parts and $175 for labor and it worked great afterwards.
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Old July 8th, 2013, 10:37 PM   #19
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If you end up needing a 4r70w I have one from a 97' explorer 4x4 with a 5.0 sitting on the floor with no home. Shoot me a pm if you want.
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Old July 9th, 2013, 04:06 PM   #20
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Well as stated before if I'm going to replace the trans I am going to put something in there with overdrive. The c4 isn't an option and the e40d is bulky so that leaves me with the 4r70w.
Predator I believe I responded to your thread but that is the 4wd version which won't work for my application.

I guess I was under the impression that I could get a fairly cheap trans with an overdrive and some sort of controller for it relatively cheap but I suppose not?
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