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strange 9.75 inch IRS aluminum diff


socorob

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Sounds like it's a Dana 60 gearset. Looks cool, if it is D60 there are LOTS of LSDs, lockers, spools, etc available, as well as a buttload of gear ratios. Not sure about the $4K though. A good ring and pinion and helical LSD runs about $1000- $1100. There's a yoke, some side stubs and bearings in addition to the housing.

 

I wonder how much this one costs: http://www.dynatrac.com/products/pro60irs/pro60irs.html

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Currie housing, just add third member/axles

 

Part #: CE-4305B

Our Price: $1,429.95

 

Description: For buggy, race car, and hot rod builders we now offer an independent housing for front or rearend use! Housing uses a modified version of our F9 Fabricated housing and includes 3rd. member studs, fill cap, drain plug, and vent installed. The 35 spline axles accept 934 CV's, are constructed of 4340 material and are machined and heat treated. Axle bearings and retaining hardware is included. Specify when ordering if this unit will be used standard or upside down! Housings can accept 10" ring gears with some minor trimming to the 3rd. Member mounting face. Unit width is 14 1/2" from axle face to axle face, and just the bare housing is 11 3/8".

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If you add the cost of a 9 inch third member...1100-1400, axles...1000+ and a driveshaft you still end up around 4-5000.

It does not seem to matter who fabricates the housing. There are a few others out there, simple search.

I would imagine if you want/need to change gearing often, the 9" is the one to have.

BTW, DSS website shows they make CF drive shafts...they look verrrry cool.

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