XK / XKR ( X150 ) 2006 - 2014

Some Sunday Drag Times

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Old Jan 26, 2014 | 06:32 PM
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Default Some Sunday Drag Times

Took the car out to the strip for the first time and the results are below. Obviously my reaction times are horrible as I was more concerned about the launch which was tricky to say the least.

1st run mid throttle until it hooked then full throttle.
2nd run ~75% throttle with major wheel spin then full throttle at hook up
3rd run power brake at 3k RPM then release and slowly push to full throttle. This felt the best but I didn't have time for a fourth run as I had to get to the Cavallino.

I'm sure I can get it into the 11s @120ish after a few more runs and a better reaction time. The heat was an issue as well as track temp was in the high 80s.

For the first time out its ok but theres more in there.

I'm car 9900 BTW
 
Attached Thumbnails Some Sunday Drag Times-times.jpg  

Last edited by MaximA; Jan 27, 2014 at 01:38 PM.
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Old Jan 26, 2014 | 06:57 PM
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Very impressive progress. Looks like 12- is achievable, as you suggest, with more practice. What kind of tires were you on?

Albert
 
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Old Jan 27, 2014 | 07:22 AM
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I was on street tires Michelin Pilot Super Sports. A few friends are renting the strip for a day in the next few weeks so I will get my reaction times down and I'm sure it will be in the high 11s.
 
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Old Jan 27, 2014 | 09:06 AM
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Were you starting in first or second gear, and have you ever dyno'd your car?
 
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Old Jan 27, 2014 | 09:11 AM
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First and no dyno.
 
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Old Jan 27, 2014 | 09:59 AM
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Next time you go, would you mind trying a run starting in second and see what happens? I am almost willing to bet you will hook up much better and get a faster time.

I'll admit, I am a little surprised your trap speeds aren't higher with the tune. A trip to the dyno would be in order if I were you. I am curious what kind of power you are putting down.

Thanks for posting your results...I bet it was fun ripping down the strip. I might have to try it sometime.
 
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Old Jan 27, 2014 | 10:02 AM
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I'll happily try second next time and report the results. I need to take it to the dyno as I was a bit underwhelmed bu the trap speeds my self. The car felt "out of breath" at the end of the strip but I also let the tranny do the shifting and holding it in 5th probably would have resulted in a higher trap. It felt really string until it hit 6th and then it just bonked.
 
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Old Jan 27, 2014 | 10:08 AM
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Originally Posted by MaximA
I'll happily try second next time and report the results. I need to take it to the dyno as I was a bit underwhelmed bu the trap speeds my self. The car felt "out of breath" at the end of the strip but I also let the tranny do the shifting and holding it in 5th probably would have resulted in a higher trap. It felt really string until it hit 6th and then it just bonked.
That makes a lot of sense....

I think to start in second you will have to use manual mode...the paddle shift from 2nd to 3rd will be the trickiest because you know it will come FAST. The rest I think you will do great. I see 11's in your near future...!
 
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Old Jan 27, 2014 | 10:30 AM
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I believe you are right 1st is useless and the car shifts to second right away. Next time I'll be in manual mode and will hold 5th at the end of the strip.

Now just need to cut down the reaction times
 
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Old Jan 27, 2014 | 10:38 AM
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Originally Posted by MaximA
I believe you are right 1st is useless and the car shifts to second right away. Next time I'll be in manual mode and will hold 5th at the end of the strip.

Now just need to cut down the reaction times
Congrats!

Just remember that reaction time has nothing to do with ET. No matter if you have 0.500 or 3.500 R/T. 60ft 1.95s is already good, so not very much to improve at that side.
 
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Old Jan 27, 2014 | 11:21 AM
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What were the reactions from having a Jag on the strip and what did you race against?
 
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Old Jan 27, 2014 | 11:56 AM
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Did you race with T/C on or off? Dynamic mode? Just curious, when I get my car it will be at the track quite often.

I get a lot of attention there now with my lincoln running mid 13's, I can only imagine what it will be like in a Jaguar.

I think some drag radials would really help a lot and lower your 60 ft times. You're gaining about 25 mph from the 1/8 to the 1/4 so thats not bad at all, another 4-5 mph would be some strong top end power.
 
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Old Jan 27, 2014 | 12:05 PM
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I raced against a super tricked out STI, Nova and a modified M5. I beat the M5(he wasn't happy) the other cars killed me.

The reaction was good, got a lot of compliments on the car and had quite a few ask me about the mods as they are considering XKRs or Jags themselves.
 
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Old Jan 27, 2014 | 12:08 PM
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Originally Posted by Chadly
Did you race with T/C on or off? Dynamic mode? Just curious, when I get my car it will be at the track quite often.

I get a lot of attention there now with my lincoln running mid 13's, I can only imagine what it will be like in a Jaguar.

I think some drag radials would really help a lot and lower your 60 ft times. You're gaining about 25 mph from the 1/8 to the 1/4 so thats not bad at all, another 4-5 mph would be some strong top end power.
I have it it set to Dynamic mode, transmission in sport and TCS semi-off but but not the full DSC turned off.

Next time I will also shift manually, as this time I let it shift it self and I think I left some speed on the table in doing so.
 

Last edited by MaximA; Jan 27, 2014 at 12:15 PM.
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Old Jan 27, 2014 | 12:38 PM
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Originally Posted by Chadly
Did you race with T/C on or off? Dynamic mode? Just curious, when I get my car it will be at the track quite often.

I get a lot of attention there now with my lincoln running mid 13's, I can only imagine what it will be like in a Jaguar.

I think some drag radials would really help a lot and lower your 60 ft times. You're gaining about 25 mph from the 1/8 to the 1/4 so thats not bad at all, another 4-5 mph would be some strong top end power.
My Jag tires
 
Attached Thumbnails Some Sunday Drag Times-tires1.jpg   Some Sunday Drag Times-tires2.jpg  
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Old Jan 27, 2014 | 01:09 PM
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That look like a lot of traction!
 
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Old Jan 29, 2014 | 04:34 AM
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ET 12.243 with great 60ft 1.79:
 
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Old Jan 29, 2014 | 06:50 AM
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I saw that on the net earlier, hes a much better drag racer then I am...
 
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Old Jan 29, 2014 | 07:18 AM
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I was just watching some in car video of my car on a different evening and it definitely runs out of steam over 5500 in 5th gear, but really strong before. I have the mp4 but can't upload it here.
 
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Old Jan 29, 2014 | 09:47 AM
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Can you put it on youtube and link it here?
 
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