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06-10-2019, 02:05 PM
Replies: 81
Views: 5,157
Posted By AlexJag

Just my 2 cents . I have had my 08 xkr which is...

Just my 2 cents . I have had my 08 xkr which is tuned and is no slower than a 5.0 xkrs. Had the car for 3 years , was thinking to upgrade to the 5.0 but honestly after reading about so many engine...
06-05-2019, 12:45 AM
Replies: 11
Views: 2,121
Posted By AlexJag

Andrew sorry to hear about your loss. First thing...

Andrew sorry to hear about your loss. First thing that poped in my head when you said " did an oil change last month" who changed the oil? Dont think your car could of burned that much oil, only a...
06-03-2019, 10:49 PM
Replies: 28
Views: 2,219
Posted By AlexJag

Good to hear, just as was suspected ! Cel light...

Good to hear, just as was suspected ! Cel light for high flow cats is taken car of in the tune so you should not get anything pooping up now . Enjoy the new added power 👍!!!
06-01-2019, 08:08 PM
Replies: 5
Views: 739
Posted By AlexJag

Will take care of your light with the tune...

Will take care of your light with the tune tomorrow
06-01-2019, 08:07 PM
Replies: 5
Views: 739
Posted By AlexJag

Good job On the effort! There is a good amount of...

Good job On the effort! There is a good amount of hp to be had with high flow cat install, but only with the proper tune to compensate for the additional exhaust flow, otherwise you are just wasting...
04-14-2019, 03:29 AM
Replies: 1
Views: 598
Posted By AlexJag

Thank you for the feedback Kevin! It was a...

Thank you for the feedback Kevin! It was a pleasure working with you! Enjoy your new found power!
04-13-2019, 05:03 PM
Replies: 49
Views: 3,698
Posted By AlexJag

Honestly our factory center section are not...

Honestly our factory center section are not restrictive and they do work as an hpipe with gases free to travel to the other side. I tested restriction with a monometer and found very little...
04-11-2019, 02:06 AM
Replies: 123
Views: 17,012
Posted By AlexJag

Interesting thread! Just today I decided to...

Interesting thread!
Just today I decided to give maxbore a call to enlarge my throttle body on 08 XkR. I did not get a hold of him but if I understand correctly from this thread he no longer does...
04-07-2019, 12:18 PM
Replies: 10
Views: 1,089
Posted By AlexJag

Another 1/4mi track drag racing event. New record for the XKR!

Was a good day at a track in Bakersfield California, traction was good...
04-02-2019, 02:15 PM
Replies: 29
Views: 9,353
Posted By AlexJag

To each their own I guess .if I wanted the car...

To each their own I guess .if I wanted the car stock I would keep it as such but I love modifying and improving and so do many others. I'm pushing nearly a hundred horsepower more so stock airbox is...
03-28-2019, 02:27 PM
Replies: 29
Views: 1,860
Posted By AlexJag

Wow , awesome !

Wow , awesome !
02-20-2019, 06:38 PM
Replies: 78
Views: 12,191
Posted By AlexJag

I fully disagree! Your forgetting correction...

I fully disagree! Your forgetting correction factor for DA altitude which is used on all Dyno readings and is used by most drag racers to compare track to track numbers as conditions make a huge...
02-10-2019, 10:20 PM
Replies: 15
Views: 2,449
Posted By AlexJag

I found that this piece works as well with...

I found that this piece works as well with trimming and is much cheaper at $15 https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F230632147735
01-10-2019, 01:50 PM
Replies: 16
Views: 1,115
Posted By AlexJag

Hope you have better luck with this company than...

Hope you have better luck with this company than I did.
11-29-2018, 12:15 AM
Replies: 33
Views: 2,358
Posted By AlexJag

Pulley is from Eurotoys 1.5lb, high flow cats I...

Pulley is from Eurotoys 1.5lb, high flow cats I purchased from a member on here he custom makes them and does a great job "FreakinJag" I think that the right name. Im not planning to get LSD yet...
11-28-2018, 09:24 PM
Replies: 33
Views: 2,358
Posted By AlexJag

Dyno day! my tune vs others 2008 XKR 4.2 Turns out much potential for this engine

Just thought I would drop an update to my quest for power which started nearly 3years ago. I attempted to tune reprogram my 2008 jaguar XKR 4.2 after doing a 1.5lb pulley upgrade. Quick recap: I...
10-31-2018, 12:11 PM
Replies: 6
Views: 587
Posted By AlexJag

Denso 197-6040 is a Denso Maf and it works...

Denso 197-6040 is a Denso Maf and it works perfectly on a 4.2 XKR over a year without any problems or check engine light.
10-29-2018, 02:23 AM
Replies: 10
Views: 819
Posted By AlexJag

Actually this is with stock open differential and...

Actually this is with stock open differential and my tires are nothing special: Hankocks ventus v12 . Don't have any launching techniques , I tried to avoid the water box as much as was possible and...
10-26-2018, 01:43 PM
Replies: 6
Views: 587
Posted By AlexJag

Yes dont risk any other brands. Bought denso...

Yes dont risk any other brands. Bought denso units for $119 on Amazon over a year ago and never had an issue since
part number Denso 197-6040 this is for 2008 xkr
10-23-2018, 02:49 PM
Replies: 25
Views: 1,527
Posted By AlexJag

https://cimg0.ibsrv.net/gimg/www.jaguarforums.com-...

https://cimg0.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/2000x1504/20181019_151849_e881e75688aef405cef04af5c4c2b6ca2b38e1ce.jpg
No . Cats, xpipe, cherry bombs
10-23-2018, 02:23 AM
Replies: 25
Views: 1,527
Posted By AlexJag

https://cimg0.ibsrv.net/gimg/www.jaguarforums.com-...

https://cimg0.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/2000x1504/20181018_195718_25bf4d6a34447fa841bd54a4d2941a8257ed3e83.jpg
A pair of 18 cherry bombs definitely helped some
Placement is...
08-05-2018, 03:07 PM
Replies: 53
Views: 5,816
Posted By AlexJag

The 3 piece set in a link is fibergalss material...

The 3 piece set in a link is fibergalss material which means it won't be flexible for proper fitment, unless their kit fits perfectly which I doubt I would not risk it. I bought one from Mina and...
07-31-2018, 06:44 PM
Replies: 19
Views: 1,054
Posted By AlexJag

If a 2003 is similar as my 2008 xkr Any change in...

If a 2003 is similar as my 2008 xkr Any change in intake or exhaust is accounted for and included in factory programing.
There is an exact map with supercharger pulley size in the programing that I...
07-16-2018, 05:37 PM
Replies: 63
Views: 2,223
Posted By AlexJag

Andrew we can meet up later this week or weekend...

Andrew we can meet up later this week or weekend .. my car has high flow cats on it currently , you can hear how it sounds
06-14-2018, 02:03 PM
Replies: 43
Views: 5,755
Posted By AlexJag

This is what I have seems to work pretty good...

This is what I have seems to work pretty good has a recording feature where it will track your max pressure during your WoT run. ...
Showing results 1 to 25 of 51
 


 
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