Can't speak from personal experience, but from what I have seen on the v6 forums and with friends with 3.8 F-bodies, the 3.73s will likely hurt your highway mileage a bit, but as long as you keep your foot off the skinny pedal, you should see an increase in around town mileage.
Quote:
Originally Posted by sweetbmxrider
how do you have 3.08's?
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3.08s were factory gears for a 3.8 / A4 without the performance package (which added 3.42s and a posi for auto cars, and just a posi to the stock 3.23s for M5 cars, as well as dual exhaust tips).
Quote:
Originally Posted by sweetbmxrider
not to wander off topic too much but, 2.73's, 3.23's, and 3.42's were the f-body gear choices from the factory
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These are the only 4th gen v8 gears offered from the factory.....v6s (and 3rd gens) got different options.
- Justin