Tue Feb 20, 2007 4:46 pm
Tue Feb 20, 2007 8:44 pm
Tue Feb 20, 2007 9:23 pm
Tue Feb 20, 2007 10:33 pm
Wed Feb 21, 2007 5:43 am
CMS-GT4 wrote:So we have to find a door with 737 and 150. That is the only way I think we might verify that code tells us anything about a rear lsd.
Wed Feb 21, 2007 11:48 pm
CMS-GT4 wrote:Ok, so I have been doing some reading and I want to test out if this is a method to determine if you have lsd w/o opening the case.
I need a volunteer who knows they have a torsen in the rear and a volunteer of a known open lsd.
We need to try TEST 2. If this works, this might be a great help to the community.[/b]How can you tell it's a TORSEN?
Well I'm no expert but there were a few obvious traits - stock Toyota diffs are TORSEN or open wheel - sometimes a diff might be changed internally with a mechanical action diff. TRD or CUSCO etc - When Juzza got his diff he scored one of these diffs by accident, on sharp slow turns the inside wheel chirps and squeals a little bit as it tries to keep up with the outside wheel - a TORSEN diff is super smooth. Anyway on the wrecker showroom floor the TORSEN diff has differences to an open wheel diff. With a TORSEN LSD on a workshop floor there are a couple of tests to do.
First is the spin one axle and the other axle spins same way - Torsen. If the other axle spins other way then go to test 2.
Spin the input shaft of the diff. One wheel will may spin freely with the other stationary. I can hold one axle still, spin input shaft and the other axle will spin free. If I try to stop the spinning axle with my leg, just let the spinning axle rub my calf for example - the axle I am holding still with my hand will instantly start spinning in same direction. As soon as any torque is applied to the spinning axle - torque is transferred to the stationary axle and they spin together. TORque SENsing.
A metical clutch type LSD or cone type LSD tends to spin both wheels in same direction the whole time to a degree. There isn't so much "free wheeling" as available in a TORSEN.
Fri Feb 23, 2007 7:03 am
Fri Feb 23, 2007 9:52 am
Fri Feb 23, 2007 1:54 pm
Fri Feb 23, 2007 5:43 pm
Toxygene wrote:So I am curious. One time I had all my axles replaced and while the shop had my car in the air, they turned it on and put it in gear. All my wheels were spinning in opposite directions. Would that tell me anything about if I have an LSD in my car?
I don't think I have any other way of finding out other than ripping parts apart since the previous owner did some extensive mods to the car and I don't have a list of all of them.
Thu Mar 29, 2007 5:07 pm
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