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518 o.d. trans
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Timmo
Posted 2004-02-29 1:38 AM (#2044)
Subject: 518 o.d. trans



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Posts: 110
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Location: Egg Harbor Township, NJ
Does anyone know if a 518 o.d. trans out of a 92 dodge truck needs a computer to work if i wasn't going to use a lock-up converter with it? I found one locally and i could really use it to get back and forth to school so long as it wouldn't need a bunch of electric junk to work it.
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DeSotohead
Posted 2004-02-29 7:33 AM (#2048 - in reply to #2044)
Subject: RE: 518 o.d. trans



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Tim...

Early 518s were not computer controlled, except for some modulation of the lockup converter.
So if the 92 is early enough (I think so), you should be able to use it.
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Jeffc
Posted 2004-03-02 1:41 PM (#2148 - in reply to #2044)
Subject: RE: 518 o.d. trans


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Posts: 8

Location: Vancouver Washington
You will need the over drive button and wire harness to be able to
use the over drive
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Timmo
Posted 2004-03-02 8:58 PM (#2162 - in reply to #2148)
Subject: RE: 518 o.d. trans



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Posts: 110
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Location: Egg Harbor Township, NJ
could i just hook up a switch to turn on the overdrive?
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Jeffc
Posted 2004-03-03 11:48 AM (#2184 - in reply to #2162)
Subject: RE: 518 o.d. trans


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Posts: 8

Location: Vancouver Washington
Just checked some info, instead of me trying to write it all out, I would
advise you pick up a copy of Chrysler Perfomance Upgrades by Frank
Adkins SA pubication, it is all covered pretty well in there....
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longram60
Posted 2004-03-03 9:02 PM (#2201 - in reply to #2044)
Subject: RE: 518 o.d. trans



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Here is a tech question on this subject from the "Mopar Action" web site:

http://www.moparaction.com/Tech/questions/OVERDRIVE.html
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Timmo
Posted 2004-03-03 9:06 PM (#2202 - in reply to #2201)
Subject: RE: 518 o.d. trans



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Posts: 110
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Location: Egg Harbor Township, NJ
thanks for the help!
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narleycharlie
Posted 2007-03-06 10:22 PM (#76623 - in reply to #2044)
Subject: RE: 518 o.d. trans



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This is an old post , but some very good info , so I thought I would try to bring it to the current page .
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DeSotohead
Posted 2007-03-07 8:12 AM (#76654 - in reply to #76623)
Subject: RE: 518 o.d. trans



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Try this link for how to do it and parts needed......

http://www.transmissioncenter.net/SwapInformation.htm
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narleycharlie
Posted 2007-03-07 6:11 PM (#76700 - in reply to #2044)
Subject: Re: 518 o.d. trans



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Man it can t get no better than that , wish they could make that work for pushbuttons .
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MOPAR-TO-YA
Posted 2007-03-07 11:39 PM (#76734 - in reply to #76700)
Subject: Re: 518 o.d. trans


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narleycharlie - 2007-03-07 5:11 PM

Man it can t get no better than that , wish they could make that work for pushbuttons .


If I remember right- Royalgate has a way to make the OD tranny work with pushbuttons..................................5%..................
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61plymy
Posted 2007-03-08 11:28 AM (#76763 - in reply to #2044)
Subject: Re: 518 o.d. trans


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I think 96 was when they went from a 3-wire connector and no computer needed to an 8 wire connector and computer needed. Somewhere in that era. But, computers are available for the late model versions too. 95 is a good year to go for.

You would want a tranny out of a 3/4 ton van or PU on a 360. 4-wheel versions use a different tail piece on the OD portion, and the heavier vehicles have more of the sought after hard parts internally, if you are going to put any real torque to them.

There are heavier OD springs, extra clutch discs, and extra clutch pack springs in the heavy duty versions, which allow more torque to be put to it.

A 46RE is good, but the max is a 48RE. If putting it on a big block, an adapter plate is needed because this transmission is set up to mate with the small blocks. There are also other conversion plates available. I believe most of the 48RE units were on the the diesels, which are another totally different bellhousing.

You can also cut the bellhousing off and put on a "Super Bell" to adapt it to your engine. But that seems like major surgery unless your bell housing is already cracked or something.

Good luck with the project. I am also chasing that "right" 518 tranny for my Plymouth. OD would be a worthwhile mod.

Mike
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RoyalGate
Posted 2007-03-09 2:50 PM (#76870 - in reply to #76734)
Subject: Re: 518 o.d. trans



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Location: Ballwin, Missouri
MOPAR-TO-YA - 2007-03-07 10:39 PM

If I remember right- Royalgate has a way to make the OD tranny work with pushbuttons..................................5%..................


My conversion parts are in the mail and should be here Monday or Tuesday.
I'll be sure and take pictures and let you know how it works once installed.
More to come in the near future.
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57plymouth
Posted 2007-03-10 6:26 PM (#76979 - in reply to #2044)
Subject: Re: 518 o.d. trans



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I had an A500 in my truck for a while. (the stock 318 killed it) You will have a plug with three prongs. You send 12 volts into the center pin. Then the other two pins go to two toggle switches. From the switch to a ground. Yes, I am sure about this. If you go the other way, nothing works. Trust me here. One toggle switch activates the O/D, and the other the TCC (torque converter clutch). That year will have a lockup converter. A non-lockup converter will NOT work.
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RoyalGate
Posted 2007-04-16 9:21 PM (#80451 - in reply to #2044)
Subject: RE: 518 o.d. trans



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Posts: 2011
2000
Location: Ballwin, Missouri
I finally got the trans. conversion kit installed on my transmission
and it shifts great. I may take the valve body back out and increase the
detent spring pressure just slightly but that's my preference and would
work fine as it came from the manufacturer. The last picture is of some spacers
I made to lower the cable just slightly so it didn't rest right on the shape
edge of the trans. case but a piece of rubber hose would work also. Sorry about
the quality of the last picture, I'm not to steady, free hand, with a camera.
I got it from Imperial Services and can supply their address and phone number
if anyone is interested.

Now to make the adapter plate work so I can mount it to the back of
my big block. That doesn't seem to be as easy a project as this was.



(Copy of 2007_0416Image0002.JPG)



(Copy of 2007_0416Image0003.JPG)



(Copy of 2007_0416Image0004.JPG)



(Copy of 2007_0416Image0005.JPG)



(Copy of 2007_0416Image0006.JPG)



Attachments
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Attachments Copy of 2007_0416Image0002.JPG (99KB - 243 downloads)
Attachments Copy of 2007_0416Image0003.JPG (91KB - 245 downloads)
Attachments Copy of 2007_0416Image0004.JPG (99KB - 228 downloads)
Attachments Copy of 2007_0416Image0005.JPG (96KB - 221 downloads)
Attachments Copy of 2007_0416Image0006.JPG (97KB - 223 downloads)
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DeSotohead
Posted 2007-04-17 7:39 AM (#80501 - in reply to #80451)
Subject: RE: 518 o.d. trans



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Larry...

How about a few photos of the cable interface to the pushbutton selector as well, for our illumination?

GREAT job! I think a must for anyone who wants "modern" coupled with "classic" in these old vehicles!
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RoyalGate
Posted 2007-04-18 7:55 AM (#80602 - in reply to #80501)
Subject: RE: 518 o.d. trans



Expert

Posts: 2011
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Location: Ballwin, Missouri
CAN DO !! It connects to the pushbutton assy
the same way as the original cable, no modifications
needed there. The new cable is supplied in the kit
and the pushbutton end is made the same as the old
cable. Pictures in a day or two.
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RoyalGate
Posted 2007-04-24 1:21 AM (#80990 - in reply to #2044)
Subject: RE: 518 o.d. trans



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Posts: 2011
2000
Location: Ballwin, Missouri
Hank,

I finally got some pictures of the button end of the cable.
As you can see it required NO modifications at all. I haven't
squeezed the cable slot shut yet as I need to get it in the car
first. This really was a very simple conversion. I wish
everything went this easily.



(DSCF0286.JPG)



(DSCF0287.JPG)



(DSCF0288.JPG)



(DSCF0289.JPG)



Attachments
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Attachments DSCF0286.JPG (64KB - 222 downloads)
Attachments DSCF0287.JPG (70KB - 244 downloads)
Attachments DSCF0288.JPG (72KB - 233 downloads)
Attachments DSCF0289.JPG (64KB - 229 downloads)
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RoyalGate
Posted 2007-04-28 9:58 PM (#81424 - in reply to #2044)
Subject: RE: 518 o.d. trans



Expert

Posts: 2011
2000
Location: Ballwin, Missouri
Here are some pictures of the Transmission Adaptor and what
modificatons are needed. It was easier to put them in the "Album"
section to view.

http://www.forwardlook.net/forums/photos/photo-thumbnails.asp?album...
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narleycharlie
Posted 2007-05-27 12:15 PM (#84358 - in reply to #2044)
Subject: Re: 518 o.d. trans



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Posts: 1809
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Location: Slidell La.
Hi Larry , been looking at your album for a while and can t seem to understand how the adapter works ,and how thick it is . What I m trying to figure in my head is that if the tranny is pushed back any amount because of the adapter that would pull the converter that much off of the pump . So if the adapter is a half inch thick , the converter in out a half an inch to meet with the flexplate . Wouldn t that be less contact surface where the converter meets the pump ? How much does a adapter like that cost ?
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57chizler
Posted 2007-05-27 6:03 PM (#84392 - in reply to #80990)
Subject: RE: 518 o.d. trans



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Location: NorCal

This begs the question, since there is no Park button in the pushbutton quadrant do you just plan to forgo Park?
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RoyalGate
Posted 2007-05-31 4:39 AM (#84723 - in reply to #2044)
Subject: RE: 518 o.d. trans



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Posts: 2011
2000
Location: Ballwin, Missouri
CHARLIE, I'm sorry, maybe I didn't mention it and forgot to show pictures of it,
BUT, the adapter kit comes with another flex plate to match up with the relocated
started and a spacer and longer grade 8 bolts to space it all back and keep the
converter in the proper possition. The next time I get up to the shop I'll take
some pictures of those items too. I've got the trans. "test fitted" right now so I can
work on getting the throttle cable down to the trans. mounted and working properly.
I plan to have EVERYTHING working and adjusted before I try to put it in the car. That
makes modifications, etc. alot easier.

JOHN, That's correct, there is no "PARK" position. I have already taken can of this
problem. When I ordered the rear disc brake kit from AAJ Brakes I ordered the rear
calipers with "E Brakes". All I have to do is purchase the cables that mount in the
calipers and attach them to the cable that "now" goes into the brake drum on the back
of the trans. I'll still have the parking brake but it will be on the rear wheels now instead
of the end of the transmission.

If someone wants to make this conversion, but doesn't have rear disc brakes, they tell
me there is a very nice set up that goes on the differential pinion yoke that has a small
disc and manually operated caliper to hole the driveshaft from turning, but I haven't
ever seen one installed.

You can see the lever and return spring on the rear caliper on my rearend housing.
http://www.forwardlook.net/forums/photos/show-album.asp?albumid=98&...

And obviously I need to get "A BUNCH" more pictures of the trans. adapter and flexplate
to help answer some other questions. MORE TO FOLLOW.

Edited by RoyalGate 2007-05-31 4:42 AM
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RoyalGate
Posted 2007-06-05 10:01 PM (#85204 - in reply to #2044)
Subject: RE: 518 o.d. trans



Expert

Posts: 2011
2000
Location: Ballwin, Missouri
Here are the rest of the pictures of the trans adaptor parts. If there
is anything else someone would like to see just let me know.


Besure to click on the "SHOW OLDEST PICTURES FIRST" at the top
of the page.

http://www.forwardlook.net/forums/photos/photo-thumbnails.asp?album...
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jboymechanic
Posted 2017-10-02 11:18 PM (#549650 - in reply to #2044)
Subject: Re: 518 o.d. trans



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Location: Muskego, WI
Just replying to this thread so I can easily search for this information for future reference.
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