if you dont find one by monday let me know and I'll grab one from my work(we have about 20 of these laying around) and I'll ship one to you for the price of freight.
I've never bought one from a parts store, they always come with the clutches I buy. Would somewhere like oreilleys have one? No car I know of except a viper has a 26 spline input.
As for strong arming it, I'd rather not take any risk of tearing up anything. A 4.0 whipple will do that without my help. If it was just some truck or gt tranny, sure. But otherwise is rather buy one
And ctgreddy, deal! If I haven't gotten one by money you and I can exchange money for parts again!