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Vtec engaement

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Old 06-15-2012, 09:09 AM
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Default Vtec engaement
Hello everyone, When I track my stock AP1 the Vtec will engage in the middle of a curve/corner. That increase in torque/power will cause the rear to get loose. Is there a simple & safe way to lower the engagment rpm? I don't want to get into a lean situation and cook a piston. And ideas/help will be much appreciated. Thanks you!

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Old 06-15-2012, 09:14 AM
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Originally Posted by Blacksol
Hello everyone, When I track my stock AP1 the Vtec will engage in the middle of a curve/corner. That increase in torque/power will cause the rear to get loose. Is there a simple & safe way to lower the engagment rpm? I don't want to get into a lean situation and cook a piston. And ideas/help will be much appreciated. Thanks you!

Bill
What year AP1 do you have? The cheapest option is a VAFC or NEO, which will allow you to lower VTEC and do some mild tuning. However, the better option is a standalone ECU and a full tune. With the right bolt-ons, you could have a perfectly flat torque curve with VTEC engaging at ~3500 RPMs.
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Old 06-15-2012, 10:44 AM
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the other option is to just drive around the vtec transition...something you will get used to after driving the car. what tires are you on?
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Old 06-16-2012, 09:36 AM
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Originally Posted by starchland
the other option is to just drive around the vtec transition...something you will get used to after driving the car. what tires are you on?
Hi I'm on 255/40zr-17 RS-3. Not sure what you mean by "drive around Vtec transition"? Enlighten please. Thanks

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Old 06-16-2012, 08:57 PM
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when vtec is about to engage, let off a bit
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Old 06-17-2012, 03:38 PM
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Originally Posted by starchland
when vtec is about to engage, let off a bit
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Old 06-17-2012, 08:52 PM
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Originally Posted by gernby
Originally Posted by starchland' timestamp='1339909038' post='21787930
when vtec is about to engage, let off a bit
I second that

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