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Originally Posted by Burtonch
does anyone have info on stock axle ratio?? while on freeway at 70mph I show the tach at 2.2kRpm's it seems in my 04 PS 6.0 the rpm's were lower Mark the tag reads 3s409 is this in fact a 410 posi ??? or not
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tag reads 3s409 is this in fact a 410 posi ??? or not