4x4 General Axle Question - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 12-09-2007
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4x4 General Axle Question

I am looking at buying this 95 4x4 Ranger with the 4L and an Auto tranny. It has manual hubs, and is already lifted. I am thinking that it is a Superlift, or Skykjacker, and has 35x14.50 rubber. Now here is my problem / question.

I know how to read the axle codes and I know that a 91 code means 8.8 with 3.27 gears, BUT WTF!!!! On a 4x4? There other thing that gets me, this truck is wired for power mirrors, BUT doesn't have the power mirrors in place, just the manual ones. So I totally forgot to check the VIN on the sticker on the door jam to the one on the dash, but I did check the axle itself and there was no tag on it to identify it. Can anyone please tell me what the 95 Ranger 4x4 with the 4L and Auto tranny came with gear wise in the rear?
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Old 12-09-2007
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if the tag is missing and he is running 35s chances of it being stock gears are slim. i would imagine its got 4.56s or 4.10s in it.

when you buy something so modified there may be things on it that just wont make sense to you but did to they guy that owned/modified it.

maybe he broke his mirrors wheeling and didnt want new power mirrors because of the price.
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Old 12-09-2007
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They have to be stock gears. When you drive it, there is a bad low RPM vibration when you hit the gas, up until about 15 MPH. Then it goes away. So, My deduction is that it is because of the gears, unless i am wrong.
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Old 12-09-2007
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Would that be the cause of this bad vibration that only happens from 0-15 MPH?
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Old 12-09-2007
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is the truck an extended cab? if it is, then the bad low RPM vibration is from the carrier bearing in the 2 piece driveshaft.....

with the '93-'97 Rangers, you could get anywhere from 3.27 gears to 4.10 gears in the rear end....3.73 were more common in those years...
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Old 12-09-2007
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he did mention the bad carrier bearing, but he replaced it. Even showed us the bad one. It is weird. I guess I will have to figure it out. the truck is a good find, just a little maintenance to attend to.
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Old 12-09-2007
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doesnt matter if he replaced the carrier bearing......the vibration is from the driveshaft angle......
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Old 12-09-2007
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low speed vibration could be tires.
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Old 12-09-2007
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Ok, out of balance tires? I know that 35x14.50 is just too wide. I want 35x12.50 on there. That will make the wheel thinner too.

As far as the Driveshaft, any ideas on how to measure off the angle, and know what is a good angle. It didn't seem too steep by any means. This truck sits on 4" suspension / 3" body lift. Mudranger96 has the same setup and has no bad angles on the rear driveshaft, as far as we know. Am I missing something, or is there something I am forgetting to include, or that I don't know (which is a lot).
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Old 12-09-2007
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the thing with the driveshaft is, the first 18" or so is straight and level with the transmission, then the last part of is has to drop quite a bit to get to the rear end.......

i would just swap out to a '98+ extended cab 4wd driveshaft (it is a direct swap) and forget about it....
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Old 12-09-2007
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not just because of out of balance tires. but because of lug spacing

what kind of tires? i wouldnt be worried about some 0-15mph rumble
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Old 12-09-2007
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The tires are Pitbulls. I'm pretty positive they aren't exactly the most circular tires out there.....

The DS angle on a Jeep TJ is horrendous due to it's length... I would imagine since the Ranger's is about 5 times longer, it wouldn't be an issue. Check this out,



That is on a 3 inch lifted Wrangler. The Ranger is nowhere near that bad, and it's lifted 4".
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Old 12-09-2007
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um yeah its the tires...
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