XF and XFR ( X250 ) 2007 - 2015

XFS Dragstrip Times

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Old Jul 9, 2012 | 05:32 PM
  #21  
BigCat09's Avatar
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From: Orlando, Florida
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Those wont break the JAgs Half Shafts a the TQ limiters see this and pull the power out on hard launchs.

I am running my XFR tomorrow night to see if there is any improvements with the mods I did. I bet there will be no improvement as the TQ limiters will holdme back.
And I played around with foot braking on the start and I seem to found the best way to leave the line. Put the gear selector in S mode and then apply the E-Brake. The brake will hold the car still until you touch the gas, soon as the car sees you touched the gas the brake goes off by its self. Seems liek a good way to get the car to leave perfect without using the foot brake.
 

Last edited by BigCat09; Jul 10, 2012 at 07:59 AM.
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Old Jul 10, 2012 | 11:55 AM
  #22  
XF - Xtra Fast's Avatar
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From: Phoenix
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Has anyone installed or considered installing a line lock on the front brakes?
 
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Old Jul 11, 2012 | 07:09 AM
  #23  
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Well, I went to my local tracks cruise night and they gave out 1 free pass to everyone. I decided to do it even knowing how hot it was. I was in S Auto mode with DSC all the way off. But DSC still kicked in when I spun on the launch and it bogged down and then came back to life in second gear. The ET was bad but the MPH showed the HP is there. Next is to go back when its cooler and the track is prepped with some sticky tires and then see what it does.

 
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