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89 Super cab with a 4.0 swap

RowdyFitz

Member
Joined
April 4, 2021
Messages
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City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
I bought the truck last year. The PO did all the heavy work. The engine is from a 91 X with an auto trans. He put all new gaskets and a water pump on the engine before swapping it over. The truck has an FM146 manual trans.
I finished the wiring and got it running. I replaced the MAP, TPS, Radiator, Fan and Clutch, HP Power Steering Hose, put the plug wires in the correct firing order, replaced most of the vacuum hoses, installed the later model air cleaner, swapped in the D-35 and 8.8, reassembled the dash, etc.

I’m in the process of installing new gears and lockers also. 4.56’s with a lockrite ratcheting locker in the front and a spartan in the rear.


For the rear suspension, I’ll be installing a set of 63” chevy springs with a hanger and shackle flip. For the front, I will be installing a set of Tuff Country extended RA’s. I’ll probably end up reinforcing them at some point. For the coils, right now I’m keeping the TC 4” lift coils. I have a set of jeep coils I might try out. I also plan to get some good bypass shocks, I’m eyeballing the Billstein M7100’s right now.

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RowdyFitz

Member
Joined
April 4, 2021
Messages
11
Reaction score
12
City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
Well between interruptions, I’ve managed to Clean up the carrier, the diff housing, install the new bearings and races. I’m cooling the carrier in my freezer and heating the ring gear in the sun right now to help them go together. I hope to finish the install today.
 




RowdyFitz

Member
Joined
April 4, 2021
Messages
11
Reaction score
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City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
Well my motivation was high this morning. But I was watchin the kids while the wife took horses for a dental check up, this morning. I was able to work on the truck this afternoon but I was movin slow. I did get the gears set up, but not finished. I still have to install the front pinion bearing, set the preload, install the locker, put the axles in the diff on and fill it up.
Since it’s been so long that I’ve done this, it has been slow going. I’ve been double and triple checking everything I have done so I don’t screw it up. Maybe I’ll get it finished tomorrow afternoon. I’ve got an online training class for work, from 8-12.
 




RangerX

Elite Ranger
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City, State
Omao, Kauai
Year, Model & Trim Level
'93 Ranger XLT 4X4
What size tires are you going to be running with those 4.56s?
 




RowdyFitz

Member
Joined
April 4, 2021
Messages
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Reaction score
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City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
What size tires are you going to be running with those 4.56s?
31x10.50’s right now. But I plan to buy 33x12.50’s next fall. If not, I’ll have better gearing for hauling a trailer full of wood home. Right now, it has 3.55’s and barely maintains 5th gear at 55-60 mph.

I haven’t done anything to the truck today. I opted to spend time with my family before I head to work tonight.
 




RowdyFitz

Member
Joined
April 4, 2021
Messages
11
Reaction score
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City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
Just picked up that set of 63” springs. They’re off a 1500 so I don’t anticipate having to do any leaf adjustments, but we’ll see how she sets fully loaded after I do the swap. I may find a new rear hanger to try to gain a little more lift.
 




RowdyFitz

Member
Joined
April 4, 2021
Messages
11
Reaction score
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City, State
Fallon Nevada
Year, Model & Trim Level
89 Ranger xlt
Finished the 8.8 gear install. I had to grind down one tooth to get the cross pin in. I’ve put about 150 miles on it. Put 30 on it the first night then let it cool. The next day I put another 15 and let it cool. Then I put another 40 miles of desert rd driving on it. It did good. Next will be replacing the exhaust since it’s rusted out. Then I’ll start the front end next week.

I put in a set of XJ coils but ended up pulling them out. They are 20” long but compressed to 15”. They were too short for the lift brackets. I took a picture of how much the crappy stock steering affects the steering during articulation.

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RangerX

Elite Ranger
Staff member
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Messages
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City, State
Omao, Kauai
Year, Model & Trim Level
'93 Ranger XLT 4X4








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