i know elevation will cause variation in times at tracks but can different equipment? or perhaps if a track isn't 100% level (uphill/downhill). and if so, is that common?

i guess the reason i'm curious is because i'll randomly see 1/4mile times that seem a bit low. like the '08 350z running 13.1x and folks running 13.2-3 in the s197 stock. could some of that be due to a generous track?

random question i know but i've seen way dumber topics than this.

late

 

of course they do, try to run a 13.2 in a stock s197 up here in the mountains


Track prep all that fun stuff make a big difference as well

 

of course. Track prep, surface material, level(ness?), temp, elevation, etc. lots of factors just like with everything else to do with cars

 

If a track is NHRA or IHRA sanctioned, it is tested to be within a tolorance of being level. The biggest factor is, of course, elevation, but surface prep will have a large effect on 60 foot, and thus 1/4 mile time.

 

I would lean toward track prep more than anything. I don't know much about how elevation affects ETs since I live at sea level

 

Elevation can have a significant effect on ET. Track prep makes a big difference, both in 60' times and down track, as poorly prepped tracks may result in wheelspin while shifting into 2nd, 3rd etc, where it wouldn't happen on a well prepped track.

 

+1 everything JD saidis key


For instance, I race here in Germany at a small airport that sets up 1/4 mile runs every month or so during the summer. The DA is usually around 1800', and they do ZERO track prep at the location due to environmental reasons.

The result is some pretty terrible times overall for everyone.

 

At KCIR I was consistantly getting zero wheelspin in 1st and .5-1 seconds of wheelspin going into 2nd... sucked bad.

 

elevation is the biggest thing that I have seen

I mean I hang around in here enough to know what most cars "should" run, typically at the track in Calgary, you can add a second on to that and it will get you in the ball park

 

Some tracks have inaccurate measurements and timing equipment. For example, the now defunct Mid America Raceway in Missouri had a 60 ft that was actually only 54 ft; a lot of dumbasses would talk about how much better they hooked there.[sm=smiley36.gif]Also, if the concession stands were busy and therefore sucking up a lot of power, the timing equipment would slow down and make it look like a car was faster than it really was. Most major sanctioned tracks have equipment that prevents this, along with accurate measurments. Needless to say, timeslips fromMAR were pretty much useless.