RCMUSTANG's Magnetic FX4

[RCMUSTANG]

Just waiting on some pneumatic line and fittings to finish connecting the air pressure gauge and it's done.

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[RCMUSTANG]

And done. Got the air line hooked up to the compressor setup.

 

[RCMUSTANG]

It took 5 months but it's finally here. Last part. Install should happen next weekend.

 

[RCMUSTANG]

So, install didn't happen. Might be next week. In the meantime, got this guy in. Decided wrinkle paint was more OEM looking so I sprayed it last night and dried it in an hour with my infrared heater. Not 100% exact fitment but I was able to get everything close enough to tighten down and shouldn't rub or bind any of the lines. The bypass hose ends up a bit short and stretched but it should live. Also decided to clean up the inside of the pipe of obstructions.

 

[RCMUSTANG]

And it's begun.

 

[Buckbull]

What are you doing with your diff? Changing ratio?

 

[RCMUSTANG]

Yup

What are you doing with your diff? Changing ratio?

 

[RCMUSTANG]

Final button up of the rear today and the front is next. Should be done by this weekend.

 

[RCMUSTANG]

You heard it here first. It's done! He forgot to take pictures of the front while it was apart. Going from 3.73 to 4.46 gears made a huge difference. All the high gear lugging is gone. In fact the instant MPG's shows higher like I expected. Cruises at 70 mph so much easier than it did at 55 mph with the stock gears. I'll record it on the next full tank. Side note is said that all open diffs have welded ring gears. As shown in the pictures it turns out the front on mine were bolt on after all. Could have saved a good chunk of money had I known that. I can only say that's what mine came with. Your mileage may vary. Since this is now confirmed that you can swap the gears listed for the Bronco M190, a dana engineer told me you can run any of the stock bronco gears, you should be able to run up to 4.46's in the M190 before you need a different differential case like the M210. 4.27 and 4.46 are the ratios available above 3.73. Haven't looked at any other ratios.

 

[RCMUSTANG]

Decided to light up the engine bay since most manufacturers no longer do it.

 

[RCMUSTANG]

Cleaned up the rat's nest. Instead of a bunch of individual wires and fuses, it's all on a common fuse block. Same thing I did to my Mustang.

 

[RCMUSTANG]

Thanks @HeatXfer for inspiring me to give the torsion bar a second go. Still using the double lift supports to give it a nice safe drop. But I'm back to one hand closing operation again with the tailgate storage installed. I did add a small clamp on the tailgate side to get the bar from falling down in the closed position. Other than that I pretty used the manufacturer's instructions as a guide.

 

[HeatXfer]

Thanks @HeatXfer for inspiring me to give the torsion bar a second go. Still using the double lift supports to give it a nice safe drop. But I'm back to one hand closing operation again with the tailgate storage installed. I did add a small clamp on the tailgate side to get the bar from falling down in the closed position. Other than that I pretty used the manufacturer's instructions as a guide.

Ah, you pulled your storage box! I've got mine siliconed all around and didn't want to pull it. You've got a cleaner install. ?

 

[RCMUSTANG]

Ah, you pulled your storage box! I've got mine siliconed all around and didn't want to pull it. You've got a cleaner install. ?

I didn't see another easier way to install it.

 

[awd.nv]

You heard it here first. It's done! He forgot to take pictures of the front while it was apart. Going from 3.73 to 4.46 gears made a huge difference. All the high gear lugging is gone. In fact the instant MPG's shows higher like I expected. Cruises at 70 mph so much easier than it did at 55 mph with the stock gears. I'll record it on the next full tank. Side note is said that all open diffs have welded ring gears. As shown in the pictures it turns out the front on mine were bolt on after all. Could have saved a good chunk of money had I known that. I can only say that's what mine came with. Your mileage may vary. Since this is now confirmed that you can swap the gears listed for the Bronco M190, a dana engineer told me you can run any of the stock bronco gears, you should be able to run up to 4.46's in the M190 before you need a different differential case like the M210. 4.27 and 4.46 are the ratios available above 3.73. Haven't looked at any other ratios.

WAIT A MINUTE, please share (sorry if I missed it if you did) but what was needed for the gear change? I saw Ford performance added those gear ratio kits in their catalog under our gen Ranger but it was not made clear.

Or shoot, what shop did it? I would drive to CA for a gear swap. Taking my Ranger to my buddies tire shop this weekend in Inglewood for tires and alignment lol. Two alignment shops in Vegas both sucked so ever since just go to my buddies shop. Central Tire Service #5 if you are in the area, ask for Aldo.

APG this year just told me a gearing change was not possible without a diff swap and custom parts, plus they only do it for people who have their APG kit already. Man, this is giving me hope in gearing again.

I am trying to catch up since I just saw this thread but does it help remove some of the off idle sluggishness? To me kinda feels like boost lag but maybe is the way Ford programed the throttle input. I have 285/70/17 (~33") and wouldn't mind getting some torque back.

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