XF and XFR ( X250 ) 2007 - 2015

JF Automotive XFR TCU tune

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Old Dec 11, 2016 | 09:44 PM
  #21  
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Originally Posted by crowdedthehouse
Cool! I was thinking of fitting one to my 6HP19. What kind of improvements did you see? Did it tighten up the shifting?
I had a really aggressive lurch and sluggish shifting when I got the car. The fluld change and valvebody rebuild fixed that. Not sure how it would compare to fresh from the factory though.
 
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Old Dec 14, 2016 | 08:59 AM
  #22  
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I'm tuned in and ready for results. Thanks!
 
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Old Jan 10, 2017 | 10:03 AM
  #23  
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Any update?
 
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