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Phase 1/Phase 2 5MT Center diff differences?

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building my replacement trans for the lifted OB tommorow.  What are the differences between the VLSD Center diff in the Phase 1, versus the Phase 2?  Trying to decide which one I should use

 

 

 

Totally different construction. You have to use the one that matches the transfer section. Not sure if you can mix phas I and phase 2 transfers and front sections

 

Fwiw, the phase I are "serviceable" where as the phase ii are sealed units.

Edited by Gloyale

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I'm gonna have to do some fit testing today  once I get to the shop then.  I have my Phase 1 diff welded up and I prefer 4wd over all wheel drive (vlsd just pisses me off, why should be have to "wait" for the rear to spin.  

 

I do have my adapter plate, D/R tranny and driveline sitting ready to go in the car. just need to find a XT6 PP and clutch and get someone to help me finish milling my flywheel holes

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