E4OD to M5R2 swap

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May 8, 2025 | 10:02 PM

GRuiz326

Thread Starter

1st Gear

Joined: May 2025

Posts: 1

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From: Dallas

E4OD to M5R2 swap

So I recently did a manual swap on my truck since I lost drive gear, but got stumped at the driveshaft since it’s too short. I need some help finding the correct driveshaft dimensions that I need to complete my truck, can’t figure out how long it needs to be since there’s so many options and can’t find any list of them. I have a 92 F-150 supercab short bed 2WD, has a 4.9 paired with the new to me M5R2. Any help will be very much appreciated, need to get her running.

Last edited by GRuiz326; May 8, 2025 at 10:14 PM.

May 9, 2025 | 08:23 AM

wwhite

Logistics Pro

Joined: Aug 2014

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You probably won't find one in stock form, as that was probably a custom order from factory in stock form.
You now have a custom truck and will probably need a custom drive shaft.

Learn how to measure driveshaft lengths correctly, then find one. Or better yet, get a shop to make it.

Doesn't have to be a ford, I put a 1977 camero driveshaft in my 1964 M100 after a C6 trans swap, same length.

May 9, 2025 | 04:54 PM

JJF20

Hotshot

Joined: Nov 2017

Posts: 17,484

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From: Northern Ontario

Look up Denny’s driveshaft, or Tom woods. Either can make one for you, and will show you how to measure it for them.

May 10, 2025 | 09:09 AM

Hit Man X

Lead Driver

Joined: Sep 2002

Posts: 9,541

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From: North Texas

I have an ext cab, short bed 4.9/M5OD. It is a 139" wheel base as delivered by Ford. The DS is two piece as I recall, I can try to measure it for you or send just the VIN.

You just need to retube the front half, not a big deal. Could always grab two alu shafts from something in the yard and have a good local driveline shop make you one.

Let me know