Do I need a tune other than speedo after S60 (4:11) rearend install?
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Do I need a tune other than speedo after S60 (4:11) rearend install?
I saw where someone said my AFR will need to be tweaked after installing my new rearend, Strange S60. I know I need to have the speedometer corrected, but is there anything else, and if so why? I'd rather wait a while and get the tune after Heads and Cam.