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Chevrolet 12 Bolt

 

 

 

We run a stock 12 bolt housing with a Mark Williams billet steel bearing cap and aluminum support cover.  The axles are Strange Engineering's 31 spine Pro series with C-clip eliminators and a light weight spool.

 

ta2.jpg (60697 bytes)ta3.jpg (35173 bytes)ta5.jpg (61889 bytes)ta4.jpg (40729 bytes)ta6.jpg (46906 bytes)ta7.jpg (41115 bytes)At the end of the 2002 season while changing the rear gears we found a very twisted  drivers side axle.  I think we caught this just in time.

ta7_450x1102.jpg (105167 bytes)

12 Bolt Upgrade

12 bolt removed.jpg (54921 bytes)removed.jpg (42103 bytes)Over the winter of 2003 we decided to upgrade the 12 Bolt.  We removed the housing and sent it to Jon at Tube Chassis Desingzs.  Jon had done the Chrome Molly cage and custom frame connectors for the car and his workmanship and fabrication skills are impeccable.

 

tubeswelded.jpg (58965 bytes)housingend2.jpg (45150 bytes)housingend.jpg (36082 bytes)The upgrade consisted of fully welding the tubes to the housing, cutting off the stock housing ends and replacing them with the Ford style bearing housings.

 

axlecomparison1.jpg (56033 bytes)axlecomparison2.jpg (39915 bytes)axlecomparison3.jpg (53142 bytes)New 33 spline Strange Engineering Pro axles and spool should provide a significant improvement in strength.  The new axles are fitted with 5/8's studs

 

emptyhousing.jpg (51984 bytes)Mark Williams steel billet cap

 

perchasslby1.jpg (146491 bytes)perchasslby2.jpg (56158 bytes)Housing installed with Cal-Tracs and perch assembly.

 

 

To be continued.......  Next up Gear Installation

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