Speedtech Torque Arm Axle Bracket 70-81 Camaro User Manual

LLC
Ford 9” Housing
Weld on bracket measurements are the same for 12 bolt and 9”
‘70-81
1.5” From Front of Casting
Web To Remove
Drive Side Web
Mystery 12 Bolt Top With Angle
1.5” From Front of Casting
Web To Remove
Top of Casting
9” Ford, 12 bolt
Dec 12, 2013
Please study these diagrams before attempting to weld. Remember, measure twice, weld once. This procedure is best done by a professional that has the ability to check and straighten the axle housing should it warp during the welding process.
** Be cautious to note where factory
pinion bearing oil passage is when grinding!
1.5” From Front of Casting
1.5” From Front of Casting
Web To Remove
Pass Side Web
If Flat Pad Nothing to Remove
Web To Remove
Casting To Remove
Web To Remove
1.5” From Front of Casting
Mystery 12 Bolt
Angle Top Drive Side
1.5” From Front of Casting
Mystery 12 Bolt
Angle Top Pass Side
Casting To Remove
Web To Remove
18.687”
Measure to pinion center line Measure to pinion center line
This dimension will vary according to overall axle width.
Center Torque Arm bracket holes are to be centered in line with the back of the 9” housing face.
Note: 12 bolt tabs are pre-welded to rear bolt-on torque arm mount.
(17 11/16”)
Pinion Center
38.625” (36 5/8”)
19.937” (18 15/16”)
4.5” (4 1/2”)
Drive Side Web
Top of Casting
69 Camaro 12 Bolt Top
Pass Side Web
Web To Remove
69 Camaro 12 Bolt Flat Top Drive Side
69 Camaro 12 Bolt
Flat Top Pass Side
Web To Remove
18.70”
17.45”
Measure to BracketMeasure to Bracket
2.1”
Weld placement for 9 inch Torque Arm tabs
2.1” Allows .040 Crush and Room for Powder coat
12 bolt tabs are pre-welded to rear torque arm mount which bolts on.
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