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SUPPORT ZPOST BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER, THANKS! |
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03-04-2009, 12:45 AM | #1 |
instagram 997turbotom
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FS: original 3.07 gears
from a 2003 z4 3.0. 80k miles. open diff. good upgrade for a 2.5 if you'd like to increase your MPG $200 shipped. any interest?
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03-04-2009, 04:24 PM | #4 |
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Yeah you're not physically losing any power at the engine, just losing the power that's put to the ground and matters most.
And wouldn't the price to buy the differntial and the labor to install it negate any savings from getting better MPG? |
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