After reading up a bit I think I am going to be getting some 4.10's for my 01 gt. My question is since I have an auto, what will i need so that my speedo is accurate, and my shift points will be where they should be. Thanks

 

I think BBK sells a computer recalibration unit for 89.99 you can probably shop around and find a cheaper one. I needs to be a computer recal on the new stangs I believe.

 

How much newer?? Do I need a speed calc when I install my 3.73's?

 

for 99+ mustangs..you have to ge a programer...for the late model stangs..98 and below..id go with the speed cal from dallas mustang..thats what i have with my 3:73s and my speedo is dead on the money

 

what?????... u can use that dallas mustang speedcal on any mustang ... even the 99+ .. who ever said u need a programmer?weird

 

Doesnt a SCT or diablo tuner do this job??

 

No you can't, not on a 99+ automatic. Its for 94-up manuals and 94-98 Autos.

 

just get a programer. U get other tools with it also. if U do decide to get one stay away from hypertech. they are pure crap. like the predator though

 

ohhhh... because i know on my 99 5pd u can use a speedcal.. im not too sure abut the autos ... i guess ur right

 

speedcalc or programmer for my 97 auto? Just orderd 3.73's. On a budget! Websites???