Integra turbo?

Dan3SGTE

Member +
Not according to post number 15. And if thats the case how come nobody else said?

Murray


I will blame myself for that one.... I had wrote a post after that whilst i was at work on my Iphone and forgot to send it. It was regarding post 18 ... I basically said i dont think the guy meant literally "revs"... And i stated how Vtec is alot deeper then just revs but a number of things. And i also said i wasnt completely sure everything involved but i did mention a couple of the things you did. I have been a "vtec" owner for the past year so i know a thing or 2.
 

dantheman

Member +
the vtec solinoid wont let vtec engage unless it see's X amount of oil pressure. the ecu determins when it crosses over, but if the oil pressure isnt at X amount, it wont trip in.
 

Dan3SGTE

Member +
the vtec solinoid wont let vtec engage unless it see's X amount of oil pressure. the ecu determins when it crosses over, but if the oil pressure isnt at X amount, it wont trip in.

That explains why when you have lack of oil the vtec will not kick in either, or before its warmed up....
 

dantheman

Member +
Vtec is controlled by a number of things not just revs:teach:
Oil pressure, water temp, road speed,throttle load all contribute to vtec engaging.
As for not feeling vtec when turbo'd thats alot of bull.The engine note changes and the revs swing round alot faster!
Noise? Vtec+screamer=:eek:

B series motors are quite robust for low blow setups, anything nearing 10psi and your limiting the life of the motor.
The stock head gasket is probably the best to use full stop.

Dan sorry to hear about your turbo, but some turbos need a restriction because the oil pressure will blow past the turbo oil seals. If i can remember of the top of my head the hole size should be .065"
But nice power pity boost comes in so late.

Murray (turbo vtec owner)

cheers mate, its all sorted now, using a -4 oil line and no restrcitor and all seems fine. yep i was aware that vtecs run higher oil press than normal, theres lots of mixed opinions on whats best to use, it seems trial and error is the easyiest way to determin the need for restrictors and what size oil line..

its not that laggy when your driving it, power comes in before normal v-tec point, first time i driven it yesterday all setup and i love it. running 1bar now so around 400 at the fly, more than enough, feels quite dangerous to drive now :haha:

best way i can describe it guys, is the feeling of the turbo coming on, and then the vtec kicking in and giving the turbo a massive kick in the ass to get its move on :eek:
 

dantheman

Member +
That explains why when you have lack of oil the vtec will not kick in either, or before its warmed up....


well i think thats probably more to do with coolent temps, as when an engine is cold it will run higher oil pressure until it warms up, and the oil thins.
 
Vtec is controlled by a number of things not just revs:teach:
Oil pressure, water temp, road speed,throttle load all contribute to vtec engaging.
As for not feeling vtec when turbo'd thats alot of bull.The engine note changes and the revs swing round alot faster!
Noise? Vtec+screamer=:eek:

B series motors are quite robust for low blow setups, anything nearing 10psi and your limiting the life of the motor.
The stock head gasket is probably the best to use full stop.

Dan sorry to hear about your turbo, but some turbos need a restriction because the oil pressure will blow past the turbo oil seals. If i can remember of the top of my head the hole size should be .065"
But nice power pity boost comes in so late.

Murray (turbo vtec owner)

Welcome along dude would I be right in saying you have a twin who drives a Starlet.;)
 

Murray

Member +
the vtec solinoid wont let vtec engage unless it see's X amount of oil pressure. the ecu determins when it crosses over, but if the oil pressure isnt at X amount, it wont trip in.

That explains why when you have lack of oil the vtec will not kick in either, or before its warmed up....

Youve not read my post above very well, all the things i mentioned above need to be over preset limits before vtec will engage. Yes the ecu determines the point of engagment, but it will somtimes be above that point, ie, really light throttle loads and high speeds.Its not just oil pressure:cool:

Also dantheman, trial and error seems abit expensive lol but how you describe the feeling is spot on.

Welcome along dude would I be right in saying you have a twin who drives a Starlet.;)

I do.;)
 
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