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VR4WGN
31-01-2009, 08:52 PM
please may someone help me,i want to know what are the differences and or ratio's of the centre diffs in a VR4,ST-R,Viento(4wd model),i have a few of these and would like to know if there is any difference in them tho,plus someone mentioned if my non ayc diffs are lsd or open etc,how do i tell??the diff in the projcet legnum came from a 2001 Non AYC vr4 wagon and my other is from a 98 vr4 Galant,thanx guys

bradc
31-01-2009, 09:42 PM
All VR-4's are the same, regardless of what gearbox or shape they are.

No idea about ST-R's though sorry. Perhaps it is best to open up a transfer case from each model and count the teeth.

Gly
31-01-2009, 10:18 PM
spin one cv cup around, if the other rotates the same way LSD,
if the other spins the opposite direction open diff

Sometimes it helps if you hold the propshaft stationary whilst you do this.

And it doesn't always work anyway. (ie. if its ****ed)

VR4WGN
31-01-2009, 10:44 PM
is there maby an easier ay of telling,ie a part number that corresponds to the diff itself in each vehicle?? um if it helps iv bolted and ran a vr4 engine and centre diff to a viento 4wd rear diff and its running beautifully,no problems at all