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Old 06-08-2003, 08:01 PM
clockworksmurf clockworksmurf is offline
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Question vtec question

my friend just got a 99 gsr...im trying to figure out when the vtec kicks in?i have a 2000 celica gts and when the vvtl-i kicks in at 6k you can really feel it. should his gsr feel the same? or is it different?..thanks
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Old 06-08-2003, 08:11 PM
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Neutrino Neutrino is offline
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about 5000 rpm i believe....depends on the engine i believe.....also from what i hear the honda's higher lift cam's engagemnt is smoother so you don't feel it as harshly....
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Old 06-08-2003, 10:07 PM
Cronic Cronic is offline
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A gsr has an interesting VTEC setup.
~4400 rpm a second throttle butterfly opens up and allows more air into the engine, and at 5500 VTEC kicks in. You will hear this, sounds almost like an electronic noise from the motor.
VTEC is setup to be smooth engagment, so you won't feel it stock.
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Old 06-08-2003, 10:55 PM
4drcivic 4drcivic is offline
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Question

On a y8 SOHC motor i think it kicks in at 5800? Is this correct info or not. Also with a Vtec controller whats the soonest you should set the vtec to kick in before it does not make a difference and hurts performence?
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Old 06-09-2003, 01:10 AM
Cronic Cronic is offline
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my y8 was 5500 engage, and revving down is 5600 disengage.

With my p28, now it's 5300.
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Old 06-09-2003, 10:07 AM
clockworksmurf clockworksmurf is offline
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cool..thanks for the help
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