Quote:
Originally Posted by L33T Z34
Your Nissan "Master Tech" should have told you there is no way of knowing what size "shims" you're going to need 'till he opens it up and installs the 4.08 final drive ring n pinion to get it within spec. There's more than just "shims" that have to be replaced as well. Pinion bearings, collapsible spacer, pinion height adjusting washer, etc...
I would recommend upgrading the stock POS viscous LSD as well while the rear diff is opened up.
I don't know if I would trust a Nissan tech to do this job. I take mine to a local trans/rear diff shop that specializes in setting up gears.
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I'd be warry of anyone touching the tranny or rear end. Getting the shims exactly right and not nicking the gears while handling them is supper criticle if you want it to last. I'd rather go to someone with a reputation for setting this stuff up right. Go to the local dragstrip and talk to people if you don't have any contacts.