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Throttle response in VTEC land

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Old Sep 14, 2015 | 05:53 AM
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Default Throttle response in VTEC land

So I've been thinking about getting a roadster. I had a few test drives of the S2000 and I've loved them. I decided to rent one for the weekend to be sure. Amazing machine.

When the revs get up the throttle seems incredibly sensitive both pressing down and pulling off. Off throttle it seemed to engine brake harder than anything I've ever driven. (All this was great). Is this just my imagination? What is going on mechanically?
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Old Sep 14, 2015 | 06:12 AM
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What year was the car you rented? With a weight balance of nearly 50/50 and a rock solid chassis, the S2000 is sensitive and responsive to throttle changes, especially in corners. Just google the phrase "throttle steer s2000" and see what I mean
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Old Sep 14, 2015 | 07:36 AM
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mmm if you want it to be smoother off throttle let it go more slowly. Technically I guess the vtec disengages once you lift also.
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Old Sep 14, 2015 | 09:08 AM
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A high revving, peaky F20 or F22, combined with a 4:10 gear ratio. That's what's happening mechanically. People with 4.57 or 4.77 gears feel it even more.
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Old Sep 14, 2015 | 06:26 PM
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Originally Posted by GoP-Demon
mmm if you want it to be smoother off throttle let it go more slowly. Technically I guess the vtec disengages once you lift also.
I don't want it smoother. I love the responsiveness.
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Old Sep 14, 2015 | 06:53 PM
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Originally Posted by Not Sure
A high revving, peaky F20 or F22, combined with a 4:10 gear ratio. That's what's happening mechanically. People with 4.57 or 4.77 gears feel it even more.
I love my 4.57s
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Old Sep 14, 2015 | 07:23 PM
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Originally Posted by RedCelica
Originally Posted by Not Sure' timestamp='1442250488' post='23746483
A high revving, peaky F20 or F22, combined with a 4:10 gear ratio. That's what's happening mechanically. People with 4.57 or 4.77 gears feel it even more.
I love my 4.57s
I'll have to get a ride at RTD 2016.

darcy
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Old Sep 15, 2015 | 09:54 AM
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1 - I have a throttle cable, so it can be adjusted to be very responsive (remove slack)
2 - Adding a K&N FIPK improved throttle response
3 - engine breaking is certainly present off throttle, especially at higher rpm
4 - 4.57 gears are great, but say goodbye to your mpg!
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Old Sep 15, 2015 | 10:26 AM
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This was also the exact thing when test driving my 06. I upgraded from a Chrysler Crossfire, and my girlfriend was in the car on the test drive with me. I ask her how she liked it and she says "the car is really jerky" talking about exactly what you're describing. After driving for around a month or two you get very use to it and more use to driving the car so it doesn't even happen anymore.
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