[slowSER]

<font face="Verdana, Arial" size="2">Originally posted by Big Boost:
I've heard
for every tenth you gain, expect a .2 gain in
the quarter. But I've seen as much as a .3 - .4 second improvement. Are there any general rules of thumb?</font>

I've personally experienced .2 to .3 gain for every tenth gained on 60-foot time. I don't think there is a rule of thumb set in stone -- it just kinda varies depending on track conditions, driver conditions and car conditions.

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'93 Sentra SE-R, daily driver and track/autox toy
'91 Sentra SE-R, future racecar