XJ ( X351 ) 2009 - 2019

Can you hit 300km/hod on 410hp XJ 2016 without limiter

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Old Mar 28, 2021 | 05:49 AM
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Adrian Ady's Avatar
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Default Can you hit 300km/hod on 410hp XJ 2016 without limiter

3.0 v6 supercharged petrol 2016 supercharged awd
 
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Old Mar 28, 2021 | 06:55 AM
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See my post in the General Info area.
 
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Old Mar 28, 2021 | 11:27 AM
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Theoretically, it would take about 340 hp at the wheels to propel a car of X351 size to 300 kph.
The car in question has been modified, so one would need to know what the actual, measured WHP is, and at what RPM.
With standard tires, 300 kph translates to 6160 RPM in 6th gear. With a 6500 RPM redline, that's certainly within reach, but the key here is WHP.
But you sure would need a lot of tarmac to get there!
 
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Old Mar 29, 2021 | 09:14 PM
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Well 300 kph is 186 mph and I will tell you for fact no you will NOT go that fast!
I have around 620-650 HP (Dynoed at 540HP to the wheels) at the Texas mile I hit 174 mph or 280 kph. Car was still accelerating but at those extreme high speeds it is gaining very slowly.
The faster you go the harder it is to gain even 1 or 2 mph.
Now if you had unlimited distance say 5 miles like at the salt flats I know I could get more out of it so who knows but it was pushing a lot of air at that speed!
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