NEW 2018 Jaguar XJR 575
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MotorTrend:
2018 Jaguar XJR575 Debuts as New Performance Flagship Sedan - Motor Trend
Jaguar Introducing the New XJR 575:
186mph Interview with Wayne Burgess:
2018 Jaguar XJR575 Debuts as New Performance Flagship Sedan - Motor Trend
Jaguar Introducing the New XJR 575:
186mph Interview with Wayne Burgess:
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Join Date: May 2008
Location: Great Mills, MD
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Join Date: May 2008
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Wolfy, if you believe what some have posted here, you can take a standard supercharged 5.0L engine and then add the XJR pulley to the car. From there, you can then get the dealership to install the XJR tune into your car (not all dealers will do this and those that do will most likely void any warrantee that may be left on the car). This in theory will put you up to the 550 hp rating. From there, you can find a dyno shop and let them work their magic in opening up the factory installed limitations. This will supposedly get you up to 620 hp. I am sure if you add some other bolt ons, you can get the power above that. How much, who knows. I would think that you are going to reach the limitation of the fuel system shortly after the 620 hp point. So, how much are you willing to upgrade to get above that point? You would have to change out the fuel injectors and then also upgrade the fuel pump to a higher flow rate unit. You would then be limited by the amount of air that you are pushing into the engine.
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https://www.jaguarusa.com/all-models...jr575-lwb.html