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-   -   narrowing rear end (http://www.hotrodders.com/forum/narrowing-rear-end-9407.html)

bondsman 11-06-2002 06:06 PM

narrowing rear end
 
I have read several posts about narrowing rear ends and the pitfalls of doing so. Apparently a jig is required for a successful job. Does anyone have a drawing, plans or pictures of any of these jigs? If so would you share them so I can build one?

BOBCRMAN@aol.com 11-06-2002 07:33 PM

see elswhere "Easiest way to chop a nine inch housing" in this forum

F-1Rodder 11-08-2002 02:27 PM

Most guys will cut off the outside bearing flange and use a jig to align and to reweld it back to the axle tube after the desired short section is cut out. This is why a jig is necessary to assure that the bearing flange is perpedicular to the axle shaft.

I have done a couple of narrowings by cutting a section out of the center of the tube with a big rotary pipe cutter (rent one from a rental shop). All you need to do then is to clamp the two remaining sections together with 3 pieces of angle iron. The angle iron will assure that the two pieces are parallel. The pipe cutter assures that the cut is perfectly square with the axle tube and a nice "V" notch is left for welding. Then you just weld the two sections together and remove the aligning pieces of angle iron. I think it is safest to tack weld the angle iron pieces to the axle tubes and then grind them free after the finish weld is completed. Then you just measure carefully and order your new axles from Moser Engineering. If you do it this way, you are assured of having good square bearing flanges and even if there is a minor missalignment at the weld suface, the error is split between the inside and outside bearings.

So do it jigless.

Lou 11-08-2002 02:31 PM

I get a $100 to narrow a housing I have a jig. so it would be done right. **********************

Rocketman359 07-25-2012 08:22 PM

Does this still apply?
 
Quote:

Originally Posted by Lou (Post 52782)
I get a $100 to narrow a housing I have a jig. so it would be done right. ********************

Lou,

I have a 1987 cutlass that I swapped in an 8.5" 10 bolt into. Unfortunately, the car the rear end came out of was from a mid 70's full size Olds and needs about 2 inches per side removed. Would you be able to do this?

Crosley 07-25-2012 08:24 PM

Rocketman ... this is a 10 year old thread.


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