Join Date: Aug 2003
Location: Tejas del norte
Cougarstang ... "It'll take the same d/shaft as the 1996/98 Mustang GT & Cobra."
It will work, but only w/a slight modification. The OD for the d/shaft input on the V8 (GT or Cobra) is 42.75mm vs 38.25mm for the V6. And the ID/splines (as near as I can measure them) are 32.25mm for the V8 vs 28.75mm for the V6. The length (both OA & center to center) & diff flange dimensions appear to be virtually the same (give or take a mm).
What needs to be done to make the 1996/98 V8 aluminum d/shaft fit the 1996/98 V6 is to switch the nose (or input) portion of the d/shaft. Once you install the large (&, unfortunately, heavy) input unit from the V6 d/shaft onto the aluminum V8 d/shaft, everything should be good to go.
'98 GT equipped w/Koni, Eibach, Cobra R rims w/Yokohama tires, Cobra brakes all around & 3.73 gears. Also a Boss330 4.6 Cobra block w/PI heads & stuff from Accufab, ARP, Centerforce, Comp Cams, Fidanza, K&N, Mahle, Manley & Borla exhaust w/Mac Pro Chamber thrown in for grins & giggles.
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