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I have been doing some math
so I am currently running a 3.91 rear gear (GM installed) comming from a 3.75
with the 305/30/19 it would be like running a 3.84 rear gear on stock setup
or for me getting these tire would feel like a 4.0 rear gear. This would also through off my mph by .09 per mph (speedo needs to show 60 but i will be doing 55)
Also theses tire would drop the car 1.25" from stock
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