1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

how can i tell if i have LSD?

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Old Jan 21, 2007 | 10:27 PM
  #1  
thunkrd's Avatar
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how can i tell if i have LSD?

either my lsd is broken, or previous owner swapped the diff... my car is 85 gsl-se. so should have lsd right?
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Old Jan 21, 2007 | 10:29 PM
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IF you're seeing colors and having flashbacks...

er, I mean... yeah. GSL-SEs came with LSDs.
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Old Jan 21, 2007 | 10:34 PM
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From: springfield,oregon
it should have one
check if ur got disc brakes if so it may be worn out there was a thread about testing the lsd for strength do a search
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Old Jan 21, 2007 | 10:38 PM
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yeah my SE has lsd.....i lay down LSD all the F-in time! haha i heard of an easy way of testing it is jack the back of the car up make sure its not in gear and have som1 hold 1 tire and try moving the other....could be it needs rebuilt?
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Old Jan 21, 2007 | 11:13 PM
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don't have to hold it... turn one wheel if the other wheel turns in the same direction it's an LSD if it goes in the other direction it's an open diff.

Or better yet... hold you're rpm ~6000 and drop the clutch in 1st... go back if you see one tire mark it's open two tire marks it's LSD.
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Old Jan 21, 2007 | 11:19 PM
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JKM
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From: Burlington, NC
Let me drive it for 10 minutes, I'll let ya know
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Old Jan 21, 2007 | 11:43 PM
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From: New Hampshire
I found this on the FAQ page and it made me laugh!

Originally Posted by speckamp
To check for an LSD:

put the car up on jack stands, and while in neutral you spin one tire. If the other spins the same way, it's LSD, if it doesn't spin, or it spins the OPPOSITE way, then it's open.

Fun way to check:

Pull the car so one wheel is on your neighbors' front lawn, rev the engine and dump the clutch, check for two tire marks, if you got both, then you're LSD, if you only tore up the lawn, you're open.
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Old Jan 22, 2007 | 12:02 AM
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I do belive I read some where mazda was having problem with the LSD and some got replaced with a non lsd carrier. We found out a GSl we got for a parts car had disk and non LSD.
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