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Old 31 Mar 2008, 10:46 pm
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Posts: 9
Default Ls/vtec ecu vs vafc ii vtec controller vs chip?

i got an 91 integra with an ls/vtec(b16a/b18a), all internals are upgraded nothing stock, okay right now i got the stock ecu(pr4) but with the vafcii vtec controller, i like the fact i got control of the vtec and i could shut it off if i want, the problem im having is im only hitting 7000rpms redline...i want more, is there any logical way i could increase my rpms? should i just chip my ecu to hit higher rpms? if so is there a good website to get my ecu chipped? i want to swap my ecu as a last resort, but if i have to i'll do it, it just seems kinda complicated because of the obd0 to obd1, any help appreciated, thanxthere isnt much i could do to my engine, maybe upgrade the fuel rail and the intake maniforld, im running rc 310 injectors, NGk R temp & i got the stock obd0 ecu , the only reason im using vafc II is because of the vtec, with out it my engine would just run as a non vtec
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Old 31 Mar 2008, 11:01 pm
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Join Date: Aug 2007
Posts: 631

You have a built "" LS vtec? Well you should take the car to a tuner you cant tune it on a AFC. Are you ODB-1, look into btw I wouldnt drive it on the 1.6L injectors since you 1.8L you'll run lean especially if you are running high comp
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Old 31 Mar 2008, 11:16 pm
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Join Date: Sep 2007
Posts: 190

having a built motor on a stock ecu is a complete waste. atleast get a gsr or b16 ecu.for best results you need to convert it to obd1, get a wideband o2 sensor/gauge, a logger and have a pro tune it.and since when did swapping ecu's become complicated? takes less than 2 minutes. you know nothing about this car.
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