XJ XJ6 / XJR6 ( X300 ) 1995-1997

DIY Modification to Improve Performance and Fuel Economy of AJ16 and AJ6 Engines

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  #361  
Old 05-12-2015, 01:48 PM
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Dear All,
I've just has another batch of brackets made taking the total past 450. If anyone wants one, then please contact helenstodart@gmail.com
 
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  #362  
Old 06-15-2015, 04:07 PM
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Just mailed Helen, 4.0 straight six AJ16 here, heard good things about it here in the Netherlands....
 
  #363  
Old 06-29-2015, 01:10 PM
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Thanks for your enquiry. Your bracket was posted on 24th June, so hopefully you have it by now, or will do very shortly.
 
  #364  
Old 06-30-2015, 01:18 PM
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Received it today, cheers!
Will work the weekend, so I'll be installing it the beginning next week, can't wait.

Thanks and the best
 
  #365  
Old 07-07-2015, 01:56 AM
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Just thought I would chip in and say that this is a great mod, my uncle bought it for christmas for me, and all I can say is that the difference was immediate! Fuel economy went from 25.8 to 27.3 immediately, and the throttle response was greatly improved.

Fantastic, and well worth doing
 
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  #366  
Old 07-19-2015, 06:36 AM
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Thank you very much for such positive feedback.
 
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  #367  
Old 07-20-2015, 12:31 AM
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My neighbor across the street bought a '93 XJS. I'm going to give him your business card...
 
  #368  
Old 07-21-2015, 03:45 PM
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I have forgotten what your price is?
 
  #369  
Old 07-21-2015, 11:17 PM
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25.8 to 27.3? MPG or KPL?
 
  #370  
Old 07-22-2015, 12:12 PM
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UK MPG, I'm not sure how this converts into US MPG (are gallons different between the two nations?)
 
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Old 07-25-2015, 12:09 AM
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Originally Posted by YoungX300
UK MPG, I'm not sure how this converts into US MPG (are gallons different between the two nations?)
US gallons are 20% smaller than UK gallons. 3.78 litres vs 4.54L
 
  #372  
Old 08-05-2015, 02:01 PM
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I just installed the bracket today, and the difference in throttle response is amazing. I don't know how this has affected my mileage since I tend to drive with a lead foot.
 
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  #373  
Old 08-17-2015, 06:17 AM
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Hi Raymond47,
I think that you have included some text from a very old post in your reply, that indicates that we are currently out of stock of brackets and will not have any more until 4th October. That post must at least be from last year, as it is a long time till October, and we currently have brackets in stock.

To answer your question, most owners report a 1-2mpg improvement in average fuel economy, if your driving style remains unchanged.
 
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  #374  
Old 08-18-2015, 06:07 AM
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I've had this mod on my 4L X300 for over 3 years now. I don't measure fuel economy around town but on long trips economy it's up by almost 2mpg. Can't say I've ever measured any performance times but it certainly feels a bit quicker. If I ever buy another AJ16 engine I'll buy another bracket
 
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  #375  
Old 09-08-2015, 09:43 AM
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I've finally installed my bracket on my XJR6, and it immediately feels much more enthusiastic around the city. Haven't taken it on a long drive or pushed it hard, but even with these most basic changes I'm very happy with it. I already have a cone filter pod so in terms of bolt-ons it's all set.
 
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  #376  
Old 09-08-2015, 02:59 PM
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Default Leaping jag

Hi guys can anyone help me fit my hood ornament to my 95 v6 xjr thanks
 
  #377  
Old 09-09-2015, 02:27 AM
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Tiny, the 95 XJR is hopefully a straight 6, or you've been sold a pup!
Probably better to start a new thread about the hood ornament
 
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  #378  
Old 09-09-2015, 02:47 PM
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Originally Posted by AL NZ
Tiny, the 95 XJR is hopefully a straight 6, or you've been sold a pup!
Probably better to start a new thread about the hood ornament
Yep, he did

https://www.jaguarforums.com/forum/x...nament-149489/

.
 
  #379  
Old 09-14-2015, 02:45 PM
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Hi xjrengineer, do you have any thoughts about the other mod of fitting larger crankshaft pulley to increase supercharger speed?
 
  #380  
Old 09-19-2015, 06:10 AM
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Fitting a 10% larger crank pulley is a popular modification which has been successfully used by many XJR6 owners.
 


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