The "Torino" style of Ford big-bearing housing end originated in the early 70's on the Ford Gran Torino application to best of my knowledge, however was used on several applications after that as well and has more or less become the modern aftermarket standard. It basically uses the same 80mm [3.15"] diameter bearings as the old style housing, but has a different bolt pattern and brake offset dimension of 2.00 x 3.56 x 2.50 offset with 3/8" retainer hardware. FYI, we don't offer parking brake kits for the old style housing ends at this time, so that should be taken into consideration since your housing is currently under construction in case you want to make any changes before it's too late.
You have two basic bearing options with 28/31/35-spline axles. The first of the two big-bearing options are either the lubed-for-life sealed ball-bearing (Timken/National #514003, SKF#88128RB) usually run in conjuction with an oil seal inside the axle tube. The second is the SET20 tapered roller bearing with an integral external oil seal that is part of the bearing assembly and must be installed during bearing installation on the axles. Replacing the external SET 20 oil seals requires removing the bearing from the axle in question. While both bearings are usually more than adequate for a normal street application, the SET20's are definitely a better choice for severe-duty applications due to their higher load ratings, lower axial end play and flooded lubrication method.
Nice wheels...check those templates. The C6 Z06 calipers are very wide and the rotors are relatively shallow, so they overhang the wheel mounting surface by a signifant amount. Optimally, you'd select your brakes first, wheels second to fit the brakes, and then build the housing to fit those components and the overall width needed for your application.
Tobin
KORE3
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