Has anyone changed the diff ratio in their Auto EFI Falcon? Is it true that the computer has to be reprogrammed, because with a different ratio the auto shifts will be out?
Does anyone know where in NSW I can get the computer reprogrammed?
Changing tyre size same in some ways the same thing.Cannot see problem.Have asked around,the ecu,s are the same on vehicle's with different ratios.They tell me.ie Ute& gli./forte.May have to change speedo drive, depends how fussy you are.Atleast you should,nt get cought speeding? If higher ratio/low geared
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