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My Inland Empire aluminum D-shaft in the Demon has been in there since 1996. Same 1350 U-joints. 3000+ passes. On the 4th Ring and Pinion 3rd motor, 7th transmission, same driveshaft, just clean it and put it back in. Better knock on some wood.





that pretty much ends that debate. NEXT




Wrong! Was his shaft a production leftover Crown Vic shaft??



I didnt feel this thread was a debate about aluminum shafts.

But just thought it was about some leftover Crown Vic Aluminum shafts of Unknown diameter and grade. mike



heck I thought it was about ET difference between steel and aluminum






Oh yea , I missed that part.

As far as a ET difference.

Any Gain from switchin from a steel to aluminum drive shaft will be Very minimal.

The drive shaft , while being rotational weight gains rpm {slowly] [from a rotational perspective] through the whole timed 1/4 or 1/8 mile event.

With its tight center of rotation, any differences of weight between a aluminum and steel driveshaft of the approximate [same strength] will be in comparison the same as dead weight. IMO mike