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Duane'97gt2v · 03-12-2005, 11:14 AM

Being an auto, I would go 4.10's too. Should really come out of the hole on those rice burners then!! Don't throw out those old ring and pinion, never know. Will a hypertech reprogrammer fix speedo readings on the '99 up mustangs?

03-12-2005, 11:14 AM	#9
Duane'97gt2v Registered Member Join Date: Feb 2005 Posts: 20	Re: 2004 Gt Gear Upgrade 3:73 Question Being an auto, I would go 4.10's too. Should really come out of the hole on those rice burners then!! Don't throw out those old ring and pinion, never know. Will a hypertech reprogrammer fix speedo readings on the '99 up mustangs?