Quote:
Originally Posted by phithebuilder
[You didn't say which year your cobra donor is? Does it have IRS? The FF5 kit has the option for mounting the Ford IRS unit. You will be able to use the pumpkin, CV's, and the hubs,but you will have to use Tbird IRS uprights.
Welcome to the madness.
Bob
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no its a solid axel i believe

i definitely want a 9 in the rear[/quote]
Do a little research before you make a lot of expensive decisions on how you are going to build your car. These cars are so light, a 9" ford rear sounds reasonable, but is probably overkill unless you are going to do some serious drag racing. The Ford 8.8 IRS and 8.8" live axles hold up just fine in Cobras even with serious hp powerplants. The biggest problem is traction.
And many of the kits (including the FF5) are set up to accept the 8.8 rear .
Bob