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					Originally Posted by Buzzmobile
					
				 I have that overdrive and a 331 with 15 inch tires....just changed it a few days ago from 373s.  I LOVE the change. | 
	
 Buzzmobile:
Did you have the TKO 600 0.64 OD with the 3.73?  I'm going with a 331 stroker, 295/50/15 rear tires, TKO 600 0.64 and 3.73 rear end.  This should give me about 2150 rpm at 70 mph.  If I went with a 3.54 rear end I'd be doing about 2000 rpm at 70 mph.