Reporting quarter mile runs
#1
Reporting quarter mile runs
Went today to the PBIR and these are the results:
First Run: 1.658 RT - 11.829 E/T - 115.46 MPH
Second Run: 1.683 RT - 11.893 E/T - 115.54 MPH
Third Run: 1.679 RT - 11.851 E/T - 115.56 MPH
Temperature was around 77 degrees and elevation, well as close to sea as possible as I'm in FL. Humidity, dunno, but it did not feel humid at all.
All runs were using LC. Car ran great with very consistent numbers. No hiccups, rattles, weird smells, I just punched it, talked to the guys and punched it again and again. The car did not know what was going on.
I only have a BMC filter BUT! 22" rims, which according to some tire calculators, are making me go almost 1% slower, or almost a 0.1 second slower as well.
Next time hopefully I'll have straight pipes and tune, but for now I can say this is a fast 4 door saloon!
First Run: 1.658 RT - 11.829 E/T - 115.46 MPH
Second Run: 1.683 RT - 11.893 E/T - 115.54 MPH
Third Run: 1.679 RT - 11.851 E/T - 115.56 MPH
Temperature was around 77 degrees and elevation, well as close to sea as possible as I'm in FL. Humidity, dunno, but it did not feel humid at all.
All runs were using LC. Car ran great with very consistent numbers. No hiccups, rattles, weird smells, I just punched it, talked to the guys and punched it again and again. The car did not know what was going on.
I only have a BMC filter BUT! 22" rims, which according to some tire calculators, are making me go almost 1% slower, or almost a 0.1 second slower as well.
Next time hopefully I'll have straight pipes and tune, but for now I can say this is a fast 4 door saloon!
Last edited by MIA997TTBeast; 12-30-2011 at 08:36 AM.
#2
Nice runs - the PTT is a really one of the most capable cars straight off the showroom floor.
But note that your 22" rims will REALLY hurt your times, not because you possibly have a higher rolling radius, but because you have such a lower profile tire with smaller sidewall. What you really want is a 17" rim and a large profile tire that can absorb the launch energy without breaking traction. But its tough to find small diameter rims that clear the rear brake calipers and disk
Check out this photo from an BWorld guy who just set the new E55 1/4mile record at 10.675 and 129.29 (very highly modded car). You can see how much energy is being captured, stored and transferred in those sidewalls on his drag radials
But note that your 22" rims will REALLY hurt your times, not because you possibly have a higher rolling radius, but because you have such a lower profile tire with smaller sidewall. What you really want is a 17" rim and a large profile tire that can absorb the launch energy without breaking traction. But its tough to find small diameter rims that clear the rear brake calipers and disk
Check out this photo from an BWorld guy who just set the new E55 1/4mile record at 10.675 and 129.29 (very highly modded car). You can see how much energy is being captured, stored and transferred in those sidewalls on his drag radials
#3
To op, great times, they almost equal ptts times. 22s really? You will be getting better times with 19's, which I think is the smallest that fit. The ceramic brakes need minimum of 20". The PTT will have less stress than the e55 on the wheels as it is awd. Anyway, nice pics.
Last edited by kip; 12-31-2011 at 03:47 AM.
#5
Thanks Kip. Funny thing is that I had just taken off my 19's 3 days before... I was told about the track hours away so no way to go back to 19's.
According to my calculations (I wouldnt be surprised if I'm wrong) there is 1.5% slower radius compared to the 19, hence I think that I would've done...
11.651 @ 117.17... Of course these are theoretical but doable based on math... The only way to confirm this is by doing it again soon...
All in all VERY happy that my daughter can get to Gymboree a little faster than her peers...
According to my calculations (I wouldnt be surprised if I'm wrong) there is 1.5% slower radius compared to the 19, hence I think that I would've done...
11.651 @ 117.17... Of course these are theoretical but doable based on math... The only way to confirm this is by doing it again soon...
All in all VERY happy that my daughter can get to Gymboree a little faster than her peers...
Last edited by MIA997TTBeast; 12-31-2011 at 07:02 AM.
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