what are the advantages of a aluminum drive shaft?

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85_SS_302_Coupe said:
riiiight...maybe i was thinking of the 3550? one of them is longer and needs a shorter than stock shaft.

Same case on the TKO as the 3550 - the TKO uses a different yoke with more splines- one from a C6 auto trans. Same driveshaft (except for the yoke), no changes to the length.
 
Blk91stang said:
Disadvantages- Larger diameter if you need the clearance, cannot be shortened or extended if you need it to be (if you had a tranny or whatever that needs a shorter driveshaft) where as the stock one can be cut and welded..
Actually, an aluminum driveshaft can be shortened just fine. Mine was shortened 1" when we moved the motor back (clearance issues with 10-rib S/C pulley, Mark VIII fan, and Griffin radiator). Not flaming - just don't want to see someone avoid this route for the wrong reason.