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poll: what is RPM per mph in 3rd gear (6spd)

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Old 03-30-2005, 09:30 AM
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Default poll: what is RPM per mph in 3rd gear (6spd)

i have been using 71.25 but it seems a bit off.
Old 03-30-2005, 09:37 AM
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LCP, please pick up the white courtesy phone...
Old 03-30-2005, 09:38 AM
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Default see mark's 130k post below

<a href="https://forums.audiworld.com/s4/threads/548574.phtml#1952849"> mark's post on 130,000 @ 130 MPH</a>
Old 03-30-2005, 09:40 AM
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Default this might help....ala MarkP

<center><img src="http://pictureposter.audiworld.com/79946/s4_rpm_speed.jpg"></center><p>
Old 03-30-2005, 09:43 AM
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Default from what i can tell the indicated speed from ECUx (and the console) is a touch high ;/

i could be wrong, of course.
Old 03-30-2005, 10:05 AM
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14.34 MPH/1000RPM, so 69.735 RPM/MPH ?
Old 03-30-2005, 11:24 AM
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Default yeah, i see ~15 MPH/1000 RPM on mark's graph -> 66.66666 RPM/MPH (dunno if ecu is "high")

depends upon final gearing... ie: tire size and wear, etc.
Old 03-30-2005, 02:36 PM
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Default From ecux logs I see 72.31 avg. with std dev 0.84

from a series of 3rd gear pulls
Old 03-30-2005, 02:41 PM
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Default that number works MUCH better in my hp calc

almost dead on from ryan's stock run.

1 problem is still my SAE calc's aren't working ;/
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