4.10s spinddles, etc - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 08-25-2006
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4.10s spinddles, etc

What does all this crap mean, 4.10s, 8.8s, spindles, bushings? help please, and where can i get some 4.10s
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Old 08-25-2006
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4.10's is gears you have in the rearend. I'll let somebody who really know what there talking about explain the rest.
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Old 08-25-2006
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an 8.8 is how big the ring gear is, in the rearend of your truck. I believe it takes 4.10 revolutions to turn the pinion gear vs. the big ring gear once. Its a 4.10 to 1 ratio.
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Old 08-25-2006
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does my truck have stock 4.10s or they aftermarket add on, and whats a 3" spindle lift, and all. i was looking at a 3"BL and maybe an add-a-leaf for the rear, but whats the spindle lift?
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Old 08-25-2006
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Spindles are what what the upper & lower control arms connect to. Used a lot in lifts for 4x2's...

www.4wheelparts.com for 4.10 gears, but you need to check your rear end to see what gears you have anyway & that's even if you have a 8.8, you may have a 7.5.

There's a tag on the rear differential cover & it'll say a bunch of #'s & in one of those, it'll say the gears.

Brenton
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Old 08-25-2006
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look on your door at the sticker in the door jamb. Look under "SPR" a #97 is a 4.10 open rearend 8.8 (which I have). There is a chart of this on the tech section of www.therangerstation.com

Lift spindles are for 2wd only, the position of the stud on the spindle is 3.5" lower then stock, so it raises the truck up that much.
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Old 08-25-2006
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i looked it says 1K? whats that. If i don't have 4.10s can i put them on
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Old 08-25-2006
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Quote:
Originally Posted by blackrainja08
i looked it says 1K? whats that. If i don't have 4.10s can i put them on
You can put them on. Any other questions (how to do it etc.) I have no idea....
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Old 08-25-2006
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1k Spring Code (SPR)
1 = 1 rating torsion bars
K = K rear leaf spring rating.
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Old 08-25-2006
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so i looked at TRS that guide and i have 8.8s so does that mean i have 4.10s? and if i do what does that allow me to do. How do i flex, like i see some guys flex, and like it looks like there bodys are off the frame, i know they aren't but I'm assuming this has to do with the gears
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Old 08-25-2006
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I think you have a lot of research to do before you jump into lifting your Ranger. I mean no disrepect, but if you don't know what you have or what you need it would be easy to do something wrong or forget something important, and that could prove costly or dangerous.

All the information is here on the boards and also on TRS boards and stuff, so when you come across something you dont know it is just as easy to search for it as it is to post a new topic. The benefits to searching instead of starting a new thread with a repeat question are that some of the senior members get tired of answering the same question over and over and just avoid the thread and then you lose out on some good knowledge. I'm just offering it as advice, most people here are nice enough to answer anyway, but some will throw **** at you for it. it's pretty safe to say that there are no new questions someone has been on here and asked if before you so take advantage of that!
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Old 08-25-2006
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thanks karpe. even if all i want to do is BL my truck, i don't want to get into suspension, i just want a BL to put some bigger tires on it.
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