I've got a 4.10 LSD. It's pretty greasy and grimey but seems to turn fine with no unusual noises. I'm building a Spec E30 so I need a 3.73 LSD. I've got a bid on one on eBay but I'd rather just swap for one for the cost of shipping.
EDIT: I don't have any history on this diff. so no known mileage. It came as a spare with the car I purchased. I'll clean it up and drain a sample of the oil. If I'm feeling ambitious I'll pull the cover and sanp some close up pics of the ring and pinion.
EDIT: I don't have any history on this diff. so no known mileage. It came as a spare with the car I purchased. I'll clean it up and drain a sample of the oil. If I'm feeling ambitious I'll pull the cover and sanp some close up pics of the ring and pinion.
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