S2000 Talk Discussions related to the S2000, its ownership and enthusiasm for it.

vtec all the time

Old Jul 19, 2005 | 05:58 PM
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dyhppy's Avatar
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Default vtec all the time

what would happen if the cam shift point was moved from 6k to 3k or lower, besides more gas being used? would the car just be really, really powerful all the time? is this easier accomplished with a vafc?
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Old Jul 19, 2005 | 06:03 PM
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no. on a stock car you'd likely see a power loss. the hi cam profile is better tuned for higher rpm. at low rpm it's not an efficient profile to be using on an otherwise stock car, particularly because of air flow I believe.
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Old Jul 19, 2005 | 06:05 PM
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Doesn't someone make aftermarket cams that effectively put the car in vtec all the time?
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Old Jul 19, 2005 | 08:04 PM
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you could do it, but the ECU would have to be re-mapped and you would most likely need some sort of FI to get the amount of air needed to prevent the engine from running too rich. Dont think it would work on a non FI engine.

John
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