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Limited Top Speed
Is the top speed of the F-Type electronically limited in North America?
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Not to 155. Jag used to say the F-type was 'limited' to 161MPH (base V6), 171MPH (V6S), and 186MPH (V8S). Don't know what they say nowadays. A tune can remove what limiter is there.
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Originally Posted by DJS
(Post 1954839)
Not to 155. Jag used to say the F-type was 'limited' to 161MPH (base V6), 171MPH (V6S), and 186MPH (V8S). Don't know what they say nowadays. A tune can remove what limiter is there.
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Originally Posted by DJS
(Post 1954839)
Not to 155. Jag used to say the F-type was 'limited' to 161MPH (base V6), 171MPH (V6S), and 186MPH (V8S). Don't know what they say nowadays. A tune can remove what limiter is there.
I think the tune I use ups the rev limiter by 200 rpm, but not to achieve any additional top speed. |
Originally Posted by lizzardo
(Post 1954863)
I thought those were drag limited, not electronically limited, but I have no evidence to corroborate that.
I think the tune I use ups the rev limiter by 200 rpm, but not to achieve any additional top speed. |
"Drag limited" means the top speed possible due to the effect of drag on the car. All things being equal, the same car with more horsepower will go faster. Drag increases with the square of the speed, though, so it takes a considerable bump in horsepower to have much effect on top speed.
I remember reading that the top speed of the F-Type R is electronically limited to 186 because of tires. A faster top speed would require a higher rated, more expensive tire. |
Originally Posted by lizzardo
(Post 1954863)
I thought those were drag limited, not electronically limited, but I have no evidence to corroborate that.
I think the tune I use ups the rev limiter by 200 rpm, but not to achieve any additional top speed. |
Originally Posted by Unhingd
(Post 1954924)
They are indeed tune limited, but unlikely that the respective models can do much more even without the programmed limit in place. |
Originally Posted by Noshame
(Post 1955288)
Sounds like the man has tried it out in the practical sense. :icon_playing:
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Originally Posted by RIRR
(Post 1954895)
"Drag limited" means the top speed possible due to the effect of drag on the car. All things being equal, the same car with more horsepower will go faster. Drag increases with the square of the speed, though, so it takes a considerable bump in horsepower to have much effect on top speed.
I remember reading that the top speed of the F-Type R is electronically limited to 186 because of tires. A faster top speed would require a higher rated, more expensive tire. |
Originally Posted by ndabunka
(Post 1956983)
Incorrect on why the R is limited to 186. It is related to the rear wing. The rear spoiler on the R is not large enough to product sufficient down force beyond the 186 MPH rating. The SVR has a larger, "full" spoiler that helps provide greater down force. I have an article on this around here somewhere...wanders off to look
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