Originally posted by owequitit
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sohc vtec
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Originally posted by mr_adrenalin714 View PostYou make a good point but my vtec wasnt always at 4700 he actually had set it to 4300 hundred but he said it had a tendency to bogg also it's wierd bc at a stop my car shakes alot
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Originally posted by mr_adrenalin714 View PostLOL!! not to bust your chops you cant be easy on the throttle at that high of rpm and then nail it on an automatic, and on a standard automatic vtec crossover it engages at 5500 rpm's and not 2000-2200 rpm, also you might have a vtec motor but your ecu might be stock where i have a p28 ecu
if so i just learned something new
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Originally posted by owequitit View Post4300 might be too low. The only really reliable way to do it is to put it on a dyno and put the switchover really high, and then really low. Where the two curves naturally cross is where your changeover should be.
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Originally posted by N9netwoAccord View Postdidn't know you had a p28, and does it really engage at that high on an automatic? i know my stock f22b1 its crossover is at that low of rpm, and all it does is open the other intake valve, nothing for performance, just fuel economy.
if so i just learned something new
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Originally posted by mr_adrenalin714 View Postit's cool maybe if you get a chipped ecu your vtec would crossover too, trust me it's overwelming and surprising
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Originally posted by N9netwoAccord View Postlooks and sound like you were easy on the throttle and then nailed it.
i have a single cam vtec motor and theres no noticable vtec crossover. i call BS
edit: and on sohc vtec it engages at like 2000-2200 rpm. i know this is fake.
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heres another vid of my vtec cross over when i floored it and it went into vtec,
video a little more noticeble, sorry video so short
http://www.youtube.com/watch?v=p9teUC7TTOA
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