Shift lever
Tansmission Recommendations
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Junior User
Joined: Apr 2015
Posts: 67
Likes: 1
Tansmission Recommendations
I currently have a 1968 F100 with a 351W and what I believe is a T18 granny 4 speed transmission and a 78 rear end with 3:50 gears . I am seriously considering swapping in a 5 speed transmission. Would anyone have any recommendations on a good transmission to go with. Im looking for a fairly easy swap. Thank you in advance.
Posting Guru
Joined: Mar 2016
Posts: 1,412
Likes: 1
From: Barre Mass
Any modern 5 speed is most likely going to need a hydraulic clutch set up. Any sbf modern transmissions will have bell housing as part of tranny. Couple of choices would be ZF S5-42, MR5OD, and Tremec TKO
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
2X Brian. And there has been quite a few guys on here who have added in the hydraulic clutch. Usually when they are swapping in a diesel. You can investigate their threads looking for how they mounted the hydraulic clutch master cylinder.
Go to the second page here:
Read First: Technical Info Hyperlink Compilation (
1 2)
HIO Silver
Go to the second page here:
Read First: Technical Info Hyperlink Compilation (
1 2) HIO Silver
Cargo Master
Joined: Oct 2011
Posts: 2,241
Likes: 299
From: Kenner,La.
Transmission swap
3X on the more modern transmissions, as far as the hydraulic clutch set up, the Ford trucks from 97 on have that. You should not have any trouble finding one in a salvage yard.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
I currently have a 1968 F100 with a 351W and what I believe is a T18 granny 4 speed transmission and a 78 rear end with 3:50 gears . I am seriously considering swapping in a 5 speed transmission. Would anyone have any recommendations on a good transmission to go with. Im looking for a fairly easy swap. Thank you in advance.
Go here: https://www.ford-trucks.com/forums/1...l#post13596892
Cargo Master
Joined: Oct 2011
Posts: 2,241
Likes: 299
From: Kenner,La.
Trending Topics
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
Nope. The shifter is shown at the second to the rear-most position. A candy cane shifter and it cleared the bench just fine. I have since switched to 70 Mach 1 buckets and a 96 XLT center console.
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Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
I don't remember seeing any on your rig.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
Here ya go...
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
I wouldn't use an M5R2 behind a 351 in a full size truck. The F250 and F350 with the 4.9 and 5.8 got the much stronger ZF S5-42 from 89-96/97, it has an internal slave cylinder like the M5R2. You can get everything you need from a junkyard truck, and the install isn't very hard. In my "build thread- with a twist" I show a bit more detail on how to install a hydro clutch in these old trucks.
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
Looks way cool Hio. Dang factory. I like the shifter boot bezel too. Awesome job.
Seems like somewhere, someone's sig maybe, I read "Trucks aren't cool if they have cupholders". You've dispelled that theory!
Seems like somewhere, someone's sig maybe, I read "Trucks aren't cool if they have cupholders". You've dispelled that theory!
Post Fiend
Joined: Jun 2003
Posts: 8,209
Likes: 12
From: Black Hills of SD
I wouldn't use an M5R2 behind a 351 in a full size truck. The F250 and F350 with the 4.9 and 5.8 got the much stronger ZF S5-42 from 89-96/97, it has an internal slave cylinder like the M5R2. You can get everything you need from a junkyard truck, and the install isn't very hard. In my "build thread- with a twist" I show a bit more detail on how to install a hydro clutch in these old trucks.