XK / XKR ( X150 ) 2006 - 2014

Aftermarket Supercharger

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  #21  
Old 05-23-2019, 12:16 PM
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Originally Posted by Cee Jay


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With a 4.2 supercharged, be prepared to be smoked by naturally aspirated five liters, even with their exploding water pumps.
LOL Soooo true
 
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  #22  
Old 05-23-2019, 12:24 PM
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Originally Posted by Cee Jay
Course, if you have more money than sense, Carry On!
you mean like the kind of sense where you buy a 80k luxury car and then 5 years later it worth half that? You could build a pretty badass car for 40k so who cares if you waste that money on a new car or that money on a older car and make into something you like... its your money, use it and f anyone elses opinion. leave it to your kids and they will damn sure enjoy it more than you did.
 
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  #23  
Old 05-23-2019, 12:44 PM
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What does make sense is to be the buyer of that 5-year old, low mileage, 1-owner CPO XKR.

You're 100% right. Your money and you decide how to spend it.

Just don't buy life insurance so you make sure that (1) it's a really sad day when you die and (2) you don't give anyone an incentive to plan your untimely demise!
 
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  #24  
Old 05-23-2019, 12:54 PM
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Originally Posted by Brutal
you mean like the kind of sense where you buy a 80k luxury car and then 5 years later it worth half that?......................
Like I just posted in a different thread.....
I bought my 2010 six years ago off-lease CPO for $35k (Original sale price, $115,575), and evidently by the prices people are actually SELLING for today, it's still worth over $30k, so a $grand per year to own this thing??? HELLZ YEAH!
 
  #25  
Old 05-23-2019, 01:24 PM
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Originally Posted by Cee Jay
Badicedog;
Sell yours for $17,900 as per this; 2008 XK Convertible

Buy this, for example. Not even your dreaded "OH NO, A FIVE LITER!!!!!; 2008 XKR Convertible

I just saved you about ten thousand dollars, two years and a LOT of trouble.

EDIT:
With a 4.2 supercharged, be prepared to be smoked by naturally aspirated five liters, even with their exploding water pumps.
Im laughing my **** off... you guys are so delicate. Can’t even ask hypothetical questions. If there was a way to splat on a Vortech external supercharger I’d do it in a heartbeat. Done it before with several Stangs I’ve owned without any crazy piston swaps... geesh!
 
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  #26  
Old 05-23-2019, 01:31 PM
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Originally Posted by Cee Jay
Badicedog;

EDIT:
With a 4.2 supercharged, be prepared to be smoked by naturally aspirated five liters, even with their exploding water pumps.

Nonsense.
 
  #27  
Old 05-23-2019, 03:18 PM
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Originally Posted by badicedog
Im laughing my **** off... you guys are so delicate. Can’t even ask hypothetical questions. If there was a way to splat on a Vortech external supercharger I’d do it in a heartbeat. Done it before with several Stangs I’ve owned without any crazy piston swaps... geesh!
Go ahead then, what's the delay? Why haven't you started it yet? What's stopping you? Scared much?
Hypothetical is fine, and it always ends up the same way....... 'sell the XK, buy an XKR'.
I'd be fine with someone slapping a blower on an XK, as long as I didn't have to pay for it. Mechanically I'd do it myself, but I would NOT want to even get NEAR the electronics side of it trying to make both the engine and car both work RIGHT.
If anything, I'd put a dual-remote turbo kit on an XK. Lots of pipe and lag, but nearly always functional.
 
  #28  
Old 05-23-2019, 09:26 PM
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There use to be a vortech kit avail for the 4.3/4.7 vantage

I
 
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  #29  
Old 05-23-2019, 11:37 PM
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Originally Posted by Cee Jay
Go ahead then, what's the delay? Why haven't you started it yet? What's stopping you? Scared much?
Hypothetical is fine, and it always ends up the same way....... 'sell the XK, buy an XKR'.
I'd be fine with someone slapping a blower on an XK, as long as I didn't have to pay for it. Mechanically I'd do it myself, but I would NOT want to even get NEAR the electronics side of it trying to make both the engine and car both work RIGHT.
If anything, I'd put a dual-remote turbo kit on an XK. Lots of pipe and lag, but nearly always functional.
Well, see... lots of time and options. Frankly I'm enjoying the hell out of the car. For now doing the free flow 2 cell cats tomorrow. The full Larini exhaust next week or two when it finally arrives. After that a full tune.
 
  #30  
Old 05-24-2019, 12:40 AM
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Originally Posted by Cee Jay
Go ahead then, what's the delay? Why haven't you started it yet? What's stopping you? Scared much?
Hypothetical is fine, and it always ends up the same way....... 'sell the XK, buy an XKR'.
I'd be fine with someone slapping a blower on an XK, as long as I didn't have to pay for it. Mechanically I'd do it myself, but I would NOT want to even get NEAR the electronics side of it trying to make both the engine and car both work RIGHT.
If anything, I'd put a dual-remote turbo kit on an XK. Lots of pipe and lag, but nearly always functional.
I think lag on a high compression v8 in nonsense I get it on a 4cyl but a 8 ???? ...but I do like your idea of remote mounted turbos, alot of work but this option would be far more beneficial than adding the supercharger especially when running on low boost.
 

Last edited by steve_k_xk; 05-24-2019 at 01:22 AM.
  #31  
Old 05-24-2019, 02:01 AM
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Originally Posted by Beau M
You know, a 2JZ with the coil cover removed looks a lot like an old Jag I6 but more modern.



Forget the LS swaps big props to this db7 owner well done
 
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  #32  
Old 05-24-2019, 07:58 AM
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Originally Posted by Brutal
LOL Soooo true
A jaguar XJR 4.2 supercharged, 2005 OR 2006, is overall faster than a 2012 5.0 NA car. Everything I have read indicates that.

Where are you looking to make the above statement?

I say 2005 OR 2006 because the 2006 has a few more HP because of VVT.
 
  #33  
Old 05-24-2019, 08:55 AM
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Originally Posted by jackra_1
A jaguar XJR 4.2 supercharged, 2005 OR 2006, is overall faster than a 2012 5.0 NA car. Everything I have read indicates that.

Where are you looking to make the above statement?

I say 2005 OR 2006 because the 2006 has a few more HP because of VVT.
I guess you can check here but there are other sites you can look at. https://www.zeroto60times.com/vehicl...fast-slow-0-60
 
  #34  
Old 05-24-2019, 08:57 AM
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Originally Posted by jackra_1
a jaguar xjr 4.2 supercharged, 2005 or 2006, is overall faster than a 2012 5.0 na car. Everything i have read indicates that.

Where are you looking to make the above statement?

I say 2005 or 2006 because the 2006 has a few more hp because of vvt.
oh i dont know maybe because i ran against a customer who wanted to know. And edged him out. Numbers arent the end all. Now maybe because i have years of drag racing experience. But still
 
  #35  
Old 05-24-2019, 10:33 AM
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Originally Posted by jagtoes
I guess you can check here but there are other sites you can look at. https://www.zeroto60times.com/vehicl...fast-slow-0-60
That site proves my point.

Other sites are very similar. But "smoke" does not cut it for sure.
 
  #36  
Old 05-24-2019, 10:49 AM
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A tenth sec difference between a 04xjr and a 2011 xj na?? That kinda proves the point that a non supercharged 5 litre is just as fast as a sc 4.2! A tenth is nothing in the qtr mile and 0to60. Can be differance in drivers, temps, cars etc. Now a half to full sec i would give you that. But the whole point is that as tech moves forward cars that are today normally asp are beating sc cars of years past.
See that engine in for my avatar? that is a big block tall deck 580 cubic inch 850hp engine in my 79 El Camino race car. car runs 9.20s 145mph on the motor or 8.70 at 165mph on a 400 shot of nitrous. take a guys supercharged Cadillac ctsv that he has modded to 750hp to rear wheels. That's as much as the engine I built 20 years ago. etc he idle at 750rpm not 1100. has ac, cruise, seats 5 etc. Yeah tech marches on. I go take a junkyard LS engine drop a turbo on it now and spank that engine for 1/4 the $$ I have in that engine
 

Last edited by Brutal; 05-24-2019 at 10:55 AM.
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  #37  
Old 05-24-2019, 11:04 AM
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The tenth of a second is in favor of the 4.2 btw.

My point was that to use the terminology "a 5.0 NA car can SMOKE a 4.2 SC car" is just outlandishly wrong.....thats all.

Not arguing about anything else ok enough said.
 
  #38  
Old 05-24-2019, 11:26 AM
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Originally Posted by jackra_1
The tenth of a second is in favor of the 4.2 btw.

My point was that to use the terminology "a 5.0 NA car can SMOKE a 4.2 SC car" is just outlandishly wrong.....thats all.

Not arguing about anything else ok enough said.
One of us was reading it wrong. A 2011 5.0l NA is 5.0 sec while a 2000 XKR was 5.1 sec These were both coupe versions.
 
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  #39  
Old 05-24-2019, 01:13 PM
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2005 Jaguar XJR 0-60 4.9.

No.6
0-60 mph 4.90 mph 4.9
 
  #40  
Old 05-24-2019, 02:53 PM
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Originally Posted by jackra_1
2005 Jaguar XJR 0-60 4.9.

No.6
0-60 mph 4.90 mph 4.9
Oh XJ not XK
 


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