Thread: Speed 6% high
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Old 04-20-2013, 03:26 PM   #13
Dave928
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Join Date: May 2009
Location: Seattle - It's not Hell, but you can see it from here!
Posts: 236
yep, Box is 4-5mph fast almost the whole range.

my 928 and the Chevy 2500 is dead on.
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dave

2001 Porsche Boxster S
1988 Porsche 928 S4
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