diffs for dummies ?

[BFB]

how about some differential info? maybe there is a thread on this but I couldn't find it. I know theres the transmissions for dummies thread but I dont think it covers the diffs themselves ?

I was wondering if all IRS ( T1 ) used the same differential or if they changed with different years?
same with SA, did they change them?

and while were at it any other info would be great too. or a link to a thread that covers this if there is one.
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"how am i supposed to torque the rear wheel nut to 250 ft lbs??? " - clonebug
An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
Most experts aren't.

[SGKent]

a differential is just the means of transferring power to wheels. They typically consist of the carrier and the gears. The ratio used depends a lot on use and weight of the vehicle and power available. Limited slip use depends on where and how the differential will be used. The primary reason not to use a limited slip is control. Someone who has a heavy foot can find themselves looking at the spot in the road they were coming from when both tires break free at the same time. Someone in a 4-whd vehicle often uses a limited slip in the back and a standard in the front. This keeps at least one tire as an anchor if say climbing a hill and all 4 start slipping at the same time. I know that the bus technical section goes into the transmission and differential gearing ratios on different years and engine buses. There are also models geared for mountainous regions vs someone who just wants to drive on the freeway. I would imagine that type 1, and type 3 might have some specs published in the technical sections also.
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[BFB]

Heh heh, i didnt think we’d start at ground level,” diff’s 101”. thought we’d be more specific to just VW, but that works!
_________________
"how am i supposed to torque the rear wheel nut to 250 ft lbs??? " - clonebug
An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
Most experts aren't.

[Bruce]

[oprn]

Every now and then someone references a factory limited slip diff. Did VW ever offer that option or are all limited slips aftermarket?
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Our cars get old, we get old but driving an old VW never gets old!

[Glenn]

My understanding is that some Type 181 had a limited slip, but rare.
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Glenn
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[BFB]

[Bruce]