[s-cars] 1/4 mile results

[Calvin & Diana Craig]

Andrew,

This doesn't surprise me....a lot of the tachs I have seen in S-Cars are
off.  Some are low, some are high.  Mine is a "little" high by about 3%.
This can be checked in two ways.  One is just simply by doing a calculation
which depends on your tire circumference, the other is to get an inductive
timing light with a digital tach.  Of course the numbers I was quoting were
for a 5 speed....with a 6 speed I "think" the 3rd gear is a bit different
but I am not sure.

--Calvin


-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com]On Behalf Of Andrew Lee Jackson
Sent: Wednesday, December 04, 2002 8:38 PM
To: 'Calvin & Diana Craig'; 'Chad Hall'; s-car-list at audifans.com
Subject: RE: [s-cars] 1/4 mile results


Hrm... Sounds like my car.  :-(


ALJ

-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com] On Behalf Of Calvin & Diana Craig
Sent: December 4, 2002 9:56 PM
To: Chad Hall; s-car-list at audifans.com
Subject: RE: [s-cars] 1/4 mile results


Chad,

Actually your tach may be off if you think you are at 7200 rpm at 96
mph. You should be taching about 6600 rpm at 96.

--Calvin


-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com]On Behalf Of Chad Hall
Sent: Wednesday, December 04, 2002 8:58 AM
To: s-car-list at audifans.com
Subject: [s-cars] 1/4 mile results


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Thanks to all who checked out the results.  Calvin, I agree with you
about lost time shifting, but for a halfway decent track there was no
marker for the end of the 1/4 mile--it was impossible to judge how long
to stay in 3rd gear.  My best estimate put me crossing the mark at about
7200 rpm where my car makes NO power; shifting at 6700 would have put me
in 4th in the high 4k rpm's where it makes really good power.  What's
weird is 1st pulls strong, 2nd is a little less, 3rd starts to feel
kinda weak, then 4th pulls strong again almost like a 50 shot of NOS.
The loud factor from Bubba in the next lane was definitely an issue.  I
actually missed 2 calls to stage because nobody could hear the
announcers.  The tires I was running were Yok AVS 245/45ZR16 and gave me
too much grip.  Anyone with the MTM setup notice a 3rd gear weak/4th
gear strong issue?  Nothing way out of line, I just didn't expect much
pull in 4th @ 100 compared to what 3rd gave me.

Thanks,
Chad Hall
--

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