3.90 Ring & Pinion for 05+ GT?

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1/12/07, 11:33 AM

#21

gkaufman

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I drive over 60 miles a day on I81 so 3.90's are a good compromise. Not to mention I've been on many 3000 mile road trips

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1/12/07, 11:35 AM

#22

freebass55

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I drive over 60 miles a day, also. And after trying both, I would go with the 4.10's.

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1/13/07, 04:09 PM

#23

cobra1993ky

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Just drove back from having my 4.30's put in. Here are the rpm results on the highway. 2600 at 70 mph , 2750 at 75 mph , 2950 at 80 mph

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1/13/07, 06:29 PM

#24

SlamMan02

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Quote:

Originally Posted by blkstang06

If your not doing much highway driving do the 4.10's

The difference between 3.90s/4.10s at 70mph is only 100rpm difference anyways

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