Re: Rear end strength question:
 

I 've been told that 8.5 is practically as strong as 12 blt. with exception of pro gears not available for 8.5 10 blt. and hear 8.8 is there with them strenghth wise other than axle tubes most of street style mustang race cars have modified 8.8's whether they change tubes or not I don't know.
Mike Taylor3601

Re: Rear end strength question:
 

Well, it's, like you say, mostly a matter of opinion based on personal experience, I guess.

Thanks for all the comments and good information, guys!!!! I appreciate the education!