final speed


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Posted by dan m [71.116.55.43] on Saturday, June 12, 2010 at 20:34:03 :

In Reply to: Re: the wc-63 6x6 transfer case ratio is posted by Kaegi [71.227.129.92] on Saturday, June 12, 2010 at 19:43:33 :

i am dedicating the time to finish this 6x6 i bought in ny last year. previous owner put in a detroit 353 [104hp]spicer 3053a with .79 overdrive with superlug tires.
i have put on michelin xls. my calculations show speed at 60mph, engine rpm=2351 using 5:83 gears,39.5 inch tires and final trans ratio at .79.
this does not take into account the 1.5 to 1 transfer case. will the 1.5 to 1 transfer case get me down to 2000 rpm at 60 mph? or will i need to upgrade to 4:89s? seems as though the transfer case would reduce my engine rpms by 25%?



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