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I cant find anyone who can get the piece to attach to the flange on the ind of the transmission. everyone is telling me to get the original driveshaft and try to modify it.
does anyone know if there is something available to bolt up th the flange or will i have to track down a factory driveshaft?



It looks the same (or very similar) to a Cadillac CTS-V version, maybe grab a used driveshaft front half out of one of those for the flange setup?

If not, in doing a very fast search around, looks like changing the extension housing and output shaft to F body is what some of the GM people are doing to use that trans in 'normal' stuff