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Re: Need more Horses!!!!=Differential swap (archive)
[ Follow Ups ] [ 6-series (E24) Message Board ] [ Msg. Board FAQ ]
Posted by Chris in VT on September 03, 2000 at 02:00:50:

In Reply to: Need more Horses!!!! posted by Usic on September 02, 2000 at 23:35:58:

From my understanding, being in the same boat as you in terms of lacking oomph off the line, changing to a 3.73ls or 3.91ls differential is the way to go for both $ and torque without adding horses. There's definitely much on this in the archive for your perusal. I've priced used and new ones from the major domestic tuners (Dinan, Metric Mechanic, etc...) and there's quite a range from a couple hundred to big dollars. I haven't done mine yet, but it's the next thing after rebuilding the F/R suspensions and adding tires. Just an added note, any low end torque you gain will come off your top end, though this is claimed to be insignificant for U.S. highway usage (65-75mph legal speed limits). Regards, Chris

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