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78-5.3 · 12-03-2009, 09:09 PM

IF its it has 4l60e then isnt the ecm edited for what the rear end ratio and what tires size thats what happen to me they want to know what rear end i had and tire sizes

12-03-2009, 09:09 PM	#12
78-5.3 Registered User Join Date: Oct 2009 Location: Waterboro ,MAINE Posts: 547	Re: electronic speedo? IF its it has 4l60e then isnt the ecm edited for what the rear end ratio and what tires size thats what happen to me they want to know what rear end i had and tire sizes