1969ca
Expert Class
Posts: 165
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posted June 22, 2006 07:40 AM
MPH Q's vers hot weather
hi its been getting hoter and hotter in az and my bike seems to get slower and slower my mph is off by 5 mph and from my best 7 to 8 went to the dyno and my bike is still putting out 158 hp but it dosent seem like its all there what do you guys think im down in phx so its hot as hell
  
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entropy
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posted June 22, 2006 10:48 AM
dyno hp is corrected for air, Q mile mph is not... 
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1969ca
Expert Class
Posts: 165
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posted June 22, 2006 10:55 AM
so if the air sucks your bike is going to slow down i just dont know if i should be going that much slower
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NOX
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posted June 22, 2006 01:00 PM
What Karl said..........
how much temp change, and how much mph change?
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rac4it
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Bergie
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posted June 22, 2006 02:09 PM
Uh, 5mph or more, I'd pull the oil pan and look for shavings 
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1969ca
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posted June 22, 2006 08:01 PM
about 5 mph loss just drained my oil looks the norm and cut the filter and some shinneys but nothing to freak about since im going throug clucthes at the track getting my fat ass to sixty foot the temp here at night at the track is 108 that sucks my best runs were when it was 70 at night at the track if my motor was going south wouldnt i see it on the dyno went to the dyno and the track that night
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NOX
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PMRA / TMRC Super Street 4022
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posted June 22, 2006 08:07 PM
what was the change in density altitude, do you have a weather station that you take to the track?
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osti33
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posted June 22, 2006 08:09 PM
108!! Damn! That's stinkin hot.
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1969ca
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posted June 22, 2006 09:47 PM
when i went to tuson it was 6500 feet no weater station but i was told
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NOX
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posted June 22, 2006 10:14 PM
thats enough to take out 5mph..............
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Nukedog
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posted June 24, 2006 08:40 AM
3mph seems average for me in the heat...
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NOX
Needs a job
PMRA / TMRC Super Street 4022
Posts: 3745
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posted June 26, 2006 06:05 AM
I lost 4 from sat night to sun at RRR, little head wind, and a lot more head and humidity.........
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42 Wins
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2010 TMRC Super Street Points Champion
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TRNorBRN6001
Needs a job
Posts: 2021
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posted June 27, 2006 07:20 AM
108F in leathers, sounds like a weight loss commercial. That heat will
sure soak it out of the engine.
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