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BorgWarner M44

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1971JavelinSST View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1971JavelinSST Quote  Post ReplyReply Direct Link To This Post Topic: BorgWarner M44
    Posted: Aug/17/2020 at 12:23pm
Thank you so much.
I'll let you know as soon as mechanic checks it. He just asked me to get the transmission filter and gaskets. 


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1971JavelinSST View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1971JavelinSST Quote  Post ReplyReply Direct Link To This Post Posted: Aug/17/2020 at 12:07pm
I will pm you for a nos screen. Thanks.

I found and ordered this: ATP B-35 filter-screen/gasket.
ATP website says it fits 71 Javelin w Shift Command. - Will this fit the Borg Warner M44?
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 401MATCOUPE Quote  Post ReplyReply Direct Link To This Post Posted: Aug/15/2020 at 5:11pm
If you tell me exactly which bands and drums you need, I have a lot of NOS parts for Borg Warner NOS AMC issue.....I bought a AMC Zone office of obsolete stuff a while back!  Just have not had time to really go through it....
Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar)
68X,GoPac,390,4sp,52A
69X,GoPac,390,4sp,64A
70X,GoPac,390,4sp,87A,8
70X,GoPac,390,4sp,BBO,8
70 Jav SST,390,AT,BSO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ramblinrev Quote  Post ReplyReply Direct Link To This Post Posted: Aug/15/2020 at 9:59am
Yes, contact Ross for parts.
This NOS drum probably is correct, though might not be the one that's shot.

Still, might not hurt to get it!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 401MATCOUPE Quote  Post ReplyReply Direct Link To This Post Posted: Aug/15/2020 at 5:45am
These trans do not have filter but rather a brass screen, most of the time they can cleaned....BUT the screens break, if you need a new screen I have NOS ones available,  Just send me a PM.
Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar)
68X,GoPac,390,4sp,52A
69X,GoPac,390,4sp,64A
70X,GoPac,390,4sp,87A,8
70X,GoPac,390,4sp,BBO,8
70 Jav SST,390,AT,BSO
74MatX,401,AT,Prototype
74MatX,401,AT
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1971JavelinSST View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1971JavelinSST Quote  Post ReplyReply Direct Link To This Post Posted: Aug/15/2020 at 3:03am
Thanks for the info on the BW M44 

Would anyone recommend a particular brand of filter and gasket set for my 71 304 automatic?  - Mechanic has my car and asked me to get them.
 Also, should he refill it with Dexron III or IV ?
Any suggestion/info would be greatly appreciated!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote farna Quote  Post ReplyReply Direct Link To This Post Posted: Feb/25/2019 at 8:53am
Then he doesn't know Borg Warner transmissions as well as he thought. All the M3x and M4x are all aluminum. They were only used behind sixes and the smallest V-8 with 2V carbs only. V-8s with a 4V from the factory got the tougher M-1x series (M-11 or M-12, depending on year).

But don't fret!! If he knows the M-1x series he also knows the M-3x/4x!! They were all essentially the same design, the M-3x and 4x just used the AL  case and some lighter parts inside. Same gasket set applies to both, though there are a few subtle differences accounted for by having 2-3 gaskets for the same thing.

That same gasket set also applies to the earlier M-8 and "M-10" as well as the early Ford trannys up to and including the FMX, which are license built Borg-Warner designs. Ford didn't deviate much from the BW design until their C-4 and C-6 came out.

I mention "M-10" in quotes because I'm pretty sure that wasn't the official designation. It's used to refer to the TV cable version of the M-8 which was used in 63-66 V-8 cars. I forget the model number on those trannys, but I think it's something like M-8-x.... Don't have one on hand and haven't seen one without the screen printed label too damaged to read. The printing usually fades/dissolves from years of tranny fluid/elements exposure or attempts to clean with solvent.
Frank Swygert
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Feb/23/2019 at 8:27am
Originally posted by Snake Oiler Snake Oiler wrote:

Thanks to all who responded. I called a NASCAR engine builder I know, and he sent me to a guy who rebuilds transmissions. I dropped it off to him and he was surprised that the main body of the transmission was aluminum and not cast iron. So he was doubting it was an M44 as it looked like one, but he said usually the center is cast while the bell housing and stem are aluminum. Anyway he concurred that 2nd gear was shot. He quoted $600+parts to rebuild and said he would be in contact if he needed any parts that he could not find. So I might be reaching out to a few of you on this. Thanks!


Mine is aluminum... It's pre 71 trannies that have iron centers. So I should be able to bench press that puppy when I get under it to pull the thing. It shouldn't be as far as the complete th400 with converter, starter and flexplate, that I had placed in my javelins trunk.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Snake Oiler Quote  Post ReplyReply Direct Link To This Post Posted: Feb/23/2019 at 7:35am
Thanks to all who responded. I called a NASCAR engine builder I know, and he sent me to a guy who rebuilds transmissions. I dropped it off to him and he was surprised that the main body of the transmission was aluminum and not cast iron. So he was doubting it was an M44 as it looked like one, but he said usually the center is cast while the bell housing and stem are aluminum. Anyway he concurred that 2nd gear was shot. He quoted $600+parts to rebuild and said he would be in contact if he needed any parts that he could not find. So I might be reaching out to a few of you on this. Thanks!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 401MATCOUPE Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2019 at 7:33am
If you can get me a picture of what you need, I have a lot of parts for those trans on the shelf.  Maybe a picture from the Technical Service Manual OR send me pic of the actual part via Private Message.

Ross
Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar)
68X,GoPac,390,4sp,52A
69X,GoPac,390,4sp,64A
70X,GoPac,390,4sp,87A,8
70X,GoPac,390,4sp,BBO,8
70 Jav SST,390,AT,BSO
74MatX,401,AT,Prototype
74MatX,401,AT
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