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Old 07-16-2009, 11:55 PM
Three Peaks Three Peaks is offline
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Join Date: Jan 2005
Location: Hillsboro, OR
Cobra Make, Engine: Scratch built CSX style frame, Carbon fiber body, 393 Stroker, T-bird IRS, T5
Posts: 1,623
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Using the Tbird IRS for my build saves me a substantial amount of cash as I can use the Ford uprights, CV joints/axles, and the 8.8 IRS differential, of course. The cost difference, considering what Shelby, Kirkham, and others want for the original style parts is substantial and my budget is tight.
Of course, it meant a quite a bit of design and fabrication on my part, but the material was cheap and work is slow, so I have time on my hands right now.

Besides, the 8.8 is a very strong differential and is perfectly suited for the uses I plan for the Cobra- street and open track days. The 8.8 differentials are relatively cheap and easy to find, and parts are pretty easy to come by. Not so much with the Jag rears.

When I have additional cash I may change over to the original style parts, but it depends on how well my suspension pieces work out I guess..... I already have the original style rear uprights thanks to Mickmate, but the rest of things I would need is a very long list (and expensive).

Bob
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