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Old September 11th, 2008, 02:35 AM   #1
artistic_gore
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What vehicles have m50d's?

I asked this over on the bii forum but I'm pretty sure it will get better visibility here.

Anyway,

I'm looking to swap my pos fm-145 for an m50d and would like to know what vehicles to look at when I go to the pull a part. I'm just not sure if it was strictly rangers or what. Also, what other parts should I grab with the trans to complete the swap?

Thanks,

Bryce
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Old September 11th, 2008, 02:45 AM   #2
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F150's and maybe some 250's have a M50D-R2 Rangers will have the M50D-R1, though in 2 versions yet again. The M50D-R2 has an integral cast bellhousing that fits the 289/302/351W/300-I6/240-I6/250-I6 series engines, so unless you're swapping one of those in, it may be a little difficult to make 'er work.

Ranger wise (M50D-R1):

2.3L and the 3.0L should be the same and interchange without issue. Same ratios.

The 4.0L is different and will interchange with at least the 2.9L (please recheck and verify that), little higher ratios, but not a whole lot. Same O/D gear though.

Those are the bolt in, direct swaps that I can remember off the top of my head.

4x4? - All Ranger T-cases should bolt up to the end of the adapter housing, though you may have to fiddle with the linkages.

What engine do you have and what year?

Last edited by Captain Ledd; September 11th, 2008 at 02:53 AM.
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Old September 11th, 2008, 05:48 AM   #3
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The 97+ F-150's came with two different model M50D's, Captain Ledd knows a whole lot more about them than I do though.

The 4.2 V6 F-150's came with the same one that they used in the older trucks and will bolt up to 300, 302, 351, etc. But they also put the trans in the 97+ F-150's that came with the 4.6 V8, but it will only bolt up to the 4.6/5.4 because of the cast bellhousing so there is no way to interchange them.

I didn't realize this when I bought a new motor for my F-150 (v6 to v8 swap), and I ended up having a motor that wouldnt bolt to my transmission.
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Old September 11th, 2008, 06:29 AM   #4
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They also came in the Explorers, Mazda B series, and the mazda navajo
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Old September 11th, 2008, 07:02 AM   #5
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i've also found the M5ord-1's in 89-90 B2's, but not every time
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Old September 11th, 2008, 12:05 PM   #6
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Mine is an 89 BII with the 2.9. I'll check the trans code today to confirm what's in there already. I thought it was an fm-145 but I could be mistaken.

Thanks for the info. It's nice to know that I can scope out more than just bii's and rangers for the trans.
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Old September 11th, 2008, 03:07 PM   #7
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I double checked and it is an FM-145 or 146. I didn't check the trans code so I'm not sure which.

Anyway, I've done a little reading and I'm curious if there was a 4.0L ranger. I read somewhere that you can take the 4.0L flywheel, starter, and clutch set to give a better clutch on the BII. I think I'd like to do that if I'm in there already. That and I could get the trans and flywheel from the same truck.

Thanks,

Bryce

Edit: never mind, you said that explorer's have the M50d-r1 so I think that's where I'll focus my attention.

Last edited by artistic_gore; September 11th, 2008 at 04:18 PM.
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Old September 11th, 2008, 05:37 PM   #8
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Quote:
Originally Posted by artistic_gore View Post
I double checked and it is an FM-145 or 146. I didn't check the trans code so I'm not sure which.

Anyway, I've done a little reading and I'm curious if there was a 4.0L ranger. I read somewhere that you can take the 4.0L flywheel, starter, and clutch set to give a better clutch on the BII. I think I'd like to do that if I'm in there already. That and I could get the trans and flywheel from the same truck.

Thanks,

Bryce

Edit: never mind, you said that explorer's have the M50d-r1 so I think that's where I'll focus my attention.
In case you run across one, yes, Rangers came with 4.0's and M50D-R1's.

3.72 / 2.20 / 1.50 / 1.00 / 0.79 (2.3L / 3.0L)
3.40 / 2.05 / 1.31 / 1.00 / 0.79 (4.0L)

Ratios are the same between Ranger's and Explorer's
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Old September 11th, 2008, 09:03 PM   #9
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And Yes you can take a 4.0L flywheel, and clutch assm and use it on the 2.9L

The 4.0L clutch is much larger and works much better then the 2.9L clutch
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Old September 29th, 2008, 05:44 PM   #10
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I'm guessing your B2 has a FM146 and if it does you can bolt a M50D in easy. If it has the FM145 (I doubt it) you will be doing some drive line changes to put in the M50D. The FM145 is shorter than the FM146, and M50D. FWIW 2.8,2.9, and 4.0L engines share the same bolt pattern. RB
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