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Discussion Starter #1
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?
 
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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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