Quote:
Originally Posted by XfireZ51
Paul,
Just to clarify, I'd consider 3.90's due to the 19" wheels. That would get me to a real world ~3.73. A 4.10 gets me to 3.90s. Having a 3.73 would be a nice compromise gear but its nothing compelling. Not sure it would even be that noticeable. When I had the stock 3.45s, my real gear was about a 3.30.
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Yep. In your case, Dom, the bigger wheels/diameter would affect the ratios us mortal Z drivers are discussing. It is very easy to factor for your app by d1/d2 x R
1*
*where d1 is the distance your new (bigger) wheels cover in one revolution vs. d2 the distance the stock 17" wheel/tire size covers in one revolution, and R1 being the stock 3.45 ratio.