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What is "waiting in X5 group" meet mean and why is it funny? |
Who said the topic is 4.6? When you guys were reffering to the 4.8.
And im assuming the top end on a 4.6 is worse as it has a gear less and diff gearing. |
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Until I see proof of a stock 4.8 at 160, I am very skeptical it can be done. |
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This discussion has been about top speed, hanging with a 335 with a chip is nice but it is not applicable. I have not said anything about what an X5 can beat in in an acceleration run. Your video is another example of why I don't believe speed runs should be done on public roads. Look at the closing speed, passing on the right and at night? |
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I like to entertain this kind of topic. And yes i told you to browse through it, and you see what mods or replacement i have done. I dnt like is to explain while the build is on the thread Short story will be Afe intake stage 2 (lol) Custom exhaust Dinan then custom Active Autowerkestage 2 Eisenmann exhaust Custom exhaust from cat back No cats Iridium spark plugs I hope this helps BC & Mr Wong |
There are formulas for estimating top speed. One of the factors that is a significant is the frontal area of the vehicle. The X5 has a high frontal area so wind resistance builds up quickly and to go just a few mph faster it takes huge increases in HP/TQ and a great distance to realize the gain.
A top speed discussion should be at least over a measured distance, better yet at the same place on the same day. Just to get a sense of how much horsepower it takes to go fast I am attaching a video of Corvettes at the Texas mile. Since a majority of us know the capabilities of a Corvette and it has such low front area it seems like a good example. https://www.youtube.com/watch?v=o329ZFqnsEM |
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Also what was your baseline dyno before you did all the mods and ran 320whp/363tq? |
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