Hitting VTEC during cold startup
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Hitting VTEC during cold startup
Crap, the thread title is probably the ricest thread Ive ever made.
This is really odd. I know there are countless "how come I cant hit VTEC when cold...."
Well, I dont know what to say but I can? How the heck is that possible?
This is really odd. I know there are countless "how come I cant hit VTEC when cold...."
Well, I dont know what to say but I can? How the heck is that possible?
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From: IL, POLAND
Yeh, hitting VTEC and running your engine hard when its cold is a great, did you just fall out of a tree?
I can see your next thread already;..
"Why am i burning so much oil.. something is wrong with my engine.."
I can see your next thread already;..
"Why am i burning so much oil.. something is wrong with my engine.."
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Re: Hitting VTEC during cold startup (Stinkycheezmonky)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Stinkycheezmonky »</TD></TR><TR><TD CLASS="quote">Higher than normal oil pressure for some reason? Maybe high viscosity oil?</TD></TR></TABLE>
I will add to the plot.
Castrol GTX 5W30
LS Crank, LS Rods, ITR pistons
Welded shut the oil squirters
I will add to the plot.
Castrol GTX 5W30
LS Crank, LS Rods, ITR pistons
Welded shut the oil squirters
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From: Hollywood Babylon
Probably a setting in NepTune. I have NepTune as well, but I havent tested this and dont plan to 
when you say cold, do you mean immediately after starting the car with no warm up time? are you running a stock thermo? maybe the car is warming up more than you think it is?
when you say cold, do you mean immediately after starting the car with no warm up time? are you running a stock thermo? maybe the car is warming up more than you think it is?
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From: Ladera Heights / Lake Arrowhead
Re: (migs)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by migs »</TD></TR><TR><TD CLASS="quote">Within 60 seconds of startup.</TD></TR></TABLE>
you need to let your car warm up b4 you go racing around....like 5min
you need to let your car warm up b4 you go racing around....like 5min
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From: The Dirty Hotness
Re: (works909)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by works909 »</TD></TR><TR><TD CLASS="quote">
you need to let your car warm up b4 you go racing around....like 5min</TD></TR></TABLE>
I'd wait a lot longer than that. Water and oil temp gauges dictate it can take as long as 20mins depending on weather conditions....
but hey...it's your motor and your money.
as for VTEC activating when cold..it's probably because you have, as others have mentioned, a non factory ecu.
USDM ecus look at water temp as an indicator for whether or not VTEC will activate. JDM ecus along with aftermarket ones do not have this "safety/idiot" feature.
you need to let your car warm up b4 you go racing around....like 5min</TD></TR></TABLE>
I'd wait a lot longer than that. Water and oil temp gauges dictate it can take as long as 20mins depending on weather conditions....
but hey...it's your motor and your money.
as for VTEC activating when cold..it's probably because you have, as others have mentioned, a non factory ecu.
USDM ecus look at water temp as an indicator for whether or not VTEC will activate. JDM ecus along with aftermarket ones do not have this "safety/idiot" feature.
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From: Chicagoland, IL
Re: (Bradstard)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bradstard »</TD></TR><TR><TD CLASS="quote">I'm guessing it has to do with the ECU. </TD></TR></TABLE>
Yeah, I garuntee it's because of the Neptune. Stock ECU won't try to switch to the high cam when the motor is cold, when the car isn't moving, when oil pressure is low, etc....
Pressure is high when the motor is cold, so I figure the OEM ECU is going off of a water temp sensor at warmup.
Yeah, I garuntee it's because of the Neptune. Stock ECU won't try to switch to the high cam when the motor is cold, when the car isn't moving, when oil pressure is low, etc....
Pressure is high when the motor is cold, so I figure the OEM ECU is going off of a water temp sensor at warmup.
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From: Chantilly, VA, United States
Re: (migs)
The vtec solenoid is controlled by the factory ECU of when to engage.
Most aftermarket piggyback's, em's, have the ability to change the vtec engagement point, but put no control on when the vtec solenoid is actually engaged (i.e. oil pressure, temperature).
Why are you revving so high when your motor is cold -_-
Most aftermarket piggyback's, em's, have the ability to change the vtec engagement point, but put no control on when the vtec solenoid is actually engaged (i.e. oil pressure, temperature).
Why are you revving so high when your motor is cold -_-
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Re: (godnf8)
There are a lot of n00bs who think they are the **** in the ITR forum lately. I find it rather humorous.
I have very little to add since i agree with a majority of what has been said. Probably due to NepTune.
I have very little to add since i agree with a majority of what has been said. Probably due to NepTune.
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Re: Hitting VTEC during cold startup (migs)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by migs »</TD></TR><TR><TD CLASS="quote">Well, I dont know what to say but I can? How the heck is that possible? </TD></TR></TABLE>
You can do that with the Mugen ECU as well (since it doesn't check all the temp and pressure things, or OBD).
</TD></TR></TABLE>You can do that with the Mugen ECU as well (since it doesn't check all the temp and pressure things, or OBD).
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From: Milwaukee, WI, USA
Re: Hitting VTEC during cold startup (zygspeed)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by zygspeed »</TD></TR><TR><TD CLASS="quote">
You can do that with the Mugen ECU as well (since it doesn't check all the temp and pressure things, or OBD).</TD></TR></TABLE>
Was going to post the same
You can do that with the Mugen ECU as well (since it doesn't check all the temp and pressure things, or OBD).</TD></TR></TABLE>
Was going to post the same
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From: VirNgOiVnAia
Re: Hitting VTEC during cold startup (zygspeed)
I can probably around 2 min after startup, havent really tried anything less than that.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by KetteringITR »</TD></TR><TR><TD CLASS="quote">There are a lot of n00bs who think they are the **** in the ITR forum lately. I find it rather humorous.
I have very little to add since i agree with a majority of what has been said. Probably due to NepTune. </TD></TR></TABLE>
and annoying.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by KetteringITR »</TD></TR><TR><TD CLASS="quote">There are a lot of n00bs who think they are the **** in the ITR forum lately. I find it rather humorous.
I have very little to add since i agree with a majority of what has been said. Probably due to NepTune. </TD></TR></TABLE>
and annoying.
