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Re: [GMCnet] Limited Slip Differential [message #237571 is a reply to message #237563] Sun, 26 January 2014 20:33 Go to previous messageGo to previous message
Loffen is currently offline  Loffen   Norway
Messages: 1087
Registered: August 2013
Location: Norway
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Jim, I am absolutly not saying that there is anything wrong with your LSD, I am just saying that we have some pretty tuff conditions here during the winter and that I have some really bad experiences with other LSD setups on the front axle.(did some seriuos 4x4 driving in my younger years)

Rob let's turn it around, you are going uphill turning right in 40 mph, you push down the throttle and the inner tire will start to spin, it will do that for several reasons, first of all you have low traction due to the ice, second you will have a weight transfer to the left due to the right turn you are in and you will have even less traction on the right tire.

All this is fine with an open differential, you will slow down and maybe come to a stop since the power will not be transferred to the left wheel, the power will be lost going to the right wheel.

However with any LSD I have come across so far it will try to transfer the power from the from the wheel with no traction to the wheel that has traction, right ? I think we do agree so far.

So since the right tire is spinning it will overcome the preload in the LSD (and this is what it should do as you are spinning a tire) and start to transfer the power to the wheel that has traction, this may happend slow or with a click depending on the LSD, but you are on ice and I promise you that the left tire will start to spinn when you get that power transfer.

On a rear wheel drive car your rear will spin out and you could make a real tuff turn, no problem.

But on a front wheel drive you will experience the same as blocking the front wheels when braking without ABS, you will go straight forward no matter which way you steer.

In most cases you will be just fine and have no problems with the LSD, But the LSD only have to engage once under the right conditions and you will have a one way ticket off this planet.

1973 23' # 1848 Sky Blue Glacier called Baby Blue and a 1973 26'-3 # 1460 Parrot green Seqouia Known as the Big Green, And sold my 1973 26'-2 # 581 White Canyon lands under the name Dobbelt trøbbel in Norway

[Updated on: Sun, 26 January 2014 20:35]

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