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How do I tune my Vtec controller?

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, thanx

  • Answer:

    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.

azguero at Yahoo! Answers Visit the source

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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 Hondata.com 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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