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Bronco II auto to manual swap, M5R1/M5OD clutch cylinders?


Dunk67

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Joined
Nov 1, 2022
Messages
19
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10
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3
Location
NJ
Vehicle Year
1988
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Transmission
Automatic
2WD / 4WD
4WD
Swapping an '88 Bronco II with 2.9 A4LD to 4.0 and M5OD/M5R1 out of a '94 Ranger. What clutch master cylinder, slave cylinder, and line do I need? Is the firewall pre-punched or otherwise marked for where the master should go like full size trucks are? Do I need to make a firewall reinforcement plate like the full size trucks need to spread the load and avoid cracking the firewall? Anyone make these plates if so? Trying to get parts in order as I get closer to the swap.
 


tw205

Bronco II Rancher.
U.S. Military - Veteran
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Jan 23, 2011
Messages
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93
Location
Bronson Michigan
Vehicle Year
1985
Make / Model
Ford Bronco II
Engine Type
2.8 V6
Engine Size
2.8
Transmission
Manual
2WD / 4WD
4WD
Total Lift
6” skyjacker 2” body
Tire Size
33x12.5
Use all the parts from the 94 ranger firewall is good to go. Clutch master will bolt onto Bronco II. I’m unsure if the clutch and brake peddle are able to swap over.
 

2 bronco 11s

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Location
kentucky
Vehicle Year
1988
Make / Model
ford bronco 11
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
4WD
Changed several over like you . Everything is on the firewall. I used the 91 Ford ranger 4.0 clutch hydraulic system . The 88 has a weird pedal set up . You can find it but expensive. I used one from a 89 Bronco 11. A lot of customizing on the clutch pedal . Master cylinder bolts on , resovoir goes where you have a plate on yours . I have or take care of 4 , 3 BR11s and a 90 Ranger , 3 have been converted to 5 speeds . Had trouble with one line , rub the body . Switched to the new flexible braided line . Not cheap $80. You need the engine plate also , I also buy a new positive battery cable for the 4.0 . No more starter problems . It also takes a manual trans starter . That’s about it . You will need to hook two wires together to send it to the clutch switch and put a plug on 2 others for the back up lights . Don’t recall the colors at this time .
 

rdn10se

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Aug 11, 2022
Messages
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Location
TN
Vehicle Year
1990
Make / Model
Bronco II
Transmission
Automatic
Dunk67,
Are you interested in selling the fill tube and dipstick off your old A4LD?
 

Northidahotrailblazer

Well-Known Member
Joined
Feb 21, 2012
Messages
397
Reaction score
454
Points
63
Location
Northern Idaho
Vehicle Year
1992
Make / Model
Ford Ranger
Engine Type
4.0 V6
Transmission
Manual
2WD / 4WD
Solid Axle Swap 4x4
Total Lift
8 inches
Tire Size
37"
Just hunt down a petal assembly from a 88 and you will swap the hole thing. The fire wall has a bolt on cover on it for the the master cylinder. unbolt the cover and install your master. I would suggest you get a master cylinder and slave combo that are pre bleed and are ready to be bolted on. It comes with the line and everything. Just bolt it on. I just swapped my 89. But the 89 to 94 are the same. The first gens have a different petal assembly on it.
 

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