i have an obd1 pr3 ecu....
#3
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#4
Honda-Tech Member
Re: i have an obd1 pr3 ecu....
with stock ecu's vtec kicks in at 5800 n higher. chipped ecu's kick in lower (normally or on average 4800). on my stock B17 ecu (p61) vtec kicks in around 5500, its been a while since i used it so i dont remember exactly.
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