Stock '68 GTS 340" pinion angle question

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MICHAEL A SCUDDER

MICHAEL A SCUDDER

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Good morning,
When I bought my '68 Dart GTS, someone in the past had moved the springs in, rewelded the perches,f**ked up I guess because there were 5° shims/wedges between the spring and the perches,and put on some super stock springs.

I took all that sh*t off, cut off the perches, laid out the stock location and bought new perches.

My question:
Can I set my pinion angle while the 8-3/4" is off the car(it's at the body shop right now) and weld my new perches on level? It's a 100% stock application so I'm sure there has to be a degree dimension from when these rear ends were originally fabricated to be installed on the assembly line.
Everything is stock location. Stock K-Member, stock transmission and transmission mount and I'll be using stock replacement 1968 Dart GTS 340" rear leaf springs and have new stock location spring hangers and spring boxes
Thank you
Mike
 
There is an angle built in to the perches on the housing.

I get the following.

With the center section of the housing plumb, the perches are 5 deg


I took photos with the housing upside down

PXL_20241127_194200635.jpg


PXL_20241127_194229601.jpg


PXL_20241127_194249096.jpg


So with the housing perches level the center section mounting surface would be leaning back at the top 5 deg.

And yes those are factory welds and this is an untouched OEM housing

Pick your poison...


Housing as mounted in the car, Right side up with perch level on the bench and center section mounting surface 5 deg
1732738658529.png


Housing upside down on a bench with the center section mounting face level and perch 5 deg

1732739058499.png



Housing upside down on the bench with perch level and center section mounting surface 5 deg

1732738825029.png
 
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