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Factory locker diff centre swap 4.1 to 4.3

Tech Talk for Cruiser owners.

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Factory locker diff centre swap 4.1 to 4.3

Post by Suspension Stuff »

Can I easily swap my 4.1 diff centre to a 4.3 diff centre.
It is a 90 model turbo diesel auto 80 series with factory lockers and I would like to keep these lockers.

Are the centres different between the factory lockers and the limited slip centres?

Cheers
Shane
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Post by dow50r »

Shane
the front, yes, the rear no...the front is a straight swap, however, the 4.3's are alot weaker than the 4.1's as the 4.3's have 2 extra teeth on thesame size ring. The 100 series rear diff is completly diff-erent ring so not interchangeable unless you bolt a 100 rear diff in complete...which is not such a bad idea....
Have you considered the marks transfer gears???
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Post by Suspension Stuff »

Yeah but I would like to get rid of some of that excessive backlash that I have. My CV's are stuffed so fixing these might get rid of it. Here's hoping anyway.

Transfer gearing all seems so expensive. :?
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Post by dow50r »

Mate just Paid Mannell $1700 for 4.8's...thats about the price of tranny gears. Diffs are now weaker, or at the very least....harder to find spares for :)
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Post by crankycruiser »

Talk to J Mac..

I got my 4.88's for about 1100

As for being weak i know they are.. but i havent busted one yet.. and thats on 38's.. killed plenty of cv's tho :?
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