---- HT: any ideas for a VTEC switch?
10-07-2005, 10:24 PM
#11
1.5 BAR
Join Date: Mar 2005
Posts: 728
Re: ---- HT: any ideas for a VTEC switch?
Originally Posted by Tatakai
Originally Posted by boosted_hatch_216
vtec doesnt mean ---- unless you have your ---- tuned for vtec. and yes the timing and changes will occour if you have a vtec map or ecu or whatever. explain your setup and im sure we could help you alot better, oh and this should probably be in tech. 
OBD-1 B18C1 w/ virgin P72 ECU
bank account: $0.53. hello CCA intercooler
10-07-2005, 10:29 PM
#12
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Join Date: May 2005
Posts: 698
Re: ---- HT: any ideas for a VTEC switch?
if you unhook the vtec pressure switch then the comp wont turn on vtec
if you get a switch with 1 input and 2 outputs and feed 12v to the solenoid and 12v to the pressure swith input on the ecu that should swap your cams over and activate the fuel/ignition part of vtec as well
you really should chip the ecu though
actuall im not sure if the pressuer switch sends 12v to the ecu or just like 5v
check first
if you get a switch with 1 input and 2 outputs and feed 12v to the solenoid and 12v to the pressure swith input on the ecu that should swap your cams over and activate the fuel/ignition part of vtec as well
you really should chip the ecu though
actuall im not sure if the pressuer switch sends 12v to the ecu or just like 5v
check first
10-07-2005, 10:49 PM
#13
1.5 BAR
Thread Starter
Join Date: Jan 2005
Posts: 1,440
Re: ---- HT: any ideas for a VTEC switch?
i've been meaning to tune. im just broke as hell and its fine as a daily driver. just sucks whenever someone wants to race from a roll I can't show em much of a race. and i actually got to borrow a buddy of mine's VTEC controller last time I went to the track. managed to get a 14.7 out of 2 runs, and without it best i got was a 15.6 =\
how does VTEC engage? (i know how it works, duh)
ECU signals the solenoid, then the solenoid signals the ECU for different map/timing? cuz then I would only need to switch the solenoid wire. why would i need to have another for the pressure switch?
how does VTEC engage? (i know how it works, duh)
ECU signals the solenoid, then the solenoid signals the ECU for different map/timing? cuz then I would only need to switch the solenoid wire. why would i need to have another for the pressure switch?
10-07-2005, 10:57 PM
#15
Guest
Posts: n/a
Re: ---- HT: any ideas for a VTEC switch?
vtec works like this
You hit the predetermined rpm
ecu is like vtak bitch
sends power to the vtec solenoid, while at the same time switching to the high cam fuel and ignition maps
Given you have to be over 20 mph, coolant warmed up, and have sufficient oil pressure for all of this to happen.
You do NOT want to activate vtec with a switch, because you will still be running the low cam fuel and ignition maps.
You hit the predetermined rpm
ecu is like vtak bitch
sends power to the vtec solenoid, while at the same time switching to the high cam fuel and ignition maps
Given you have to be over 20 mph, coolant warmed up, and have sufficient oil pressure for all of this to happen.
You do NOT want to activate vtec with a switch, because you will still be running the low cam fuel and ignition maps.
10-07-2005, 11:26 PM
#16
1.5 BAR
Thread Starter
Join Date: Jan 2005
Posts: 1,440
Re: ---- HT: any ideas for a VTEC switch?
Originally Posted by jagojon3
vtec works like this
You hit the predetermined rpm
ecu is like vtak bitch
sends power to the vtec solenoid, while at the same time switching to the high cam fuel and ignition maps
Given you have to be over 20 mph, coolant warmed up, and have sufficient oil pressure for all of this to happen.
You do NOT want to activate vtec with a switch, because you will still be running the low cam fuel and ignition maps.
You hit the predetermined rpm
ecu is like vtak bitch
sends power to the vtec solenoid, while at the same time switching to the high cam fuel and ignition maps
Given you have to be over 20 mph, coolant warmed up, and have sufficient oil pressure for all of this to happen.
You do NOT want to activate vtec with a switch, because you will still be running the low cam fuel and ignition maps.
