sohc vtec?

[mocha907]

Originally Posted by WVU97GS-R

oooh i need popcorn battle of the 17.5 second cars!!!!

makes me wish i still had my sig

[hndacvcsi]

[quote=ltlblkcvc;4049060]dur, 5500? do I need to slap the both of you? vtec in the y8 engages at 4800 rpm and yeah redline is 7200 rpm. vtec would be pointless if it engaged at 5500 rpm not much of a rpm rangeQUOTE]

i sorry boss.. I was thinking of my em1 thats why i said 5500. my bad homie, im still learning some of the fine details of the d-series i usually just do the dohc asap. my em1 was 5500/8200, but thats also an a2 so my fault completely on that one.


and i need not be slapped, just buy me enough shots and eventually ill slap the shit outta myself

[ltlblkcvc]

Originally Posted by WVU97GS-R

it depends on the vtec-e. from what i hear there is no aggressive cam lobe in the older vtec-3. it's just valve control. i guess that's why the k20's in the 2002 civic si's suck so much man cock

vtec-e
At low RPM, one of the two intake valves is only allowed to open a very small amount, increasing the fuel/air atomization in the cylinder and thus allowing a leaner mixture to be used. As the engine's speed increases, both valves are needed to supply sufficient mixture. A sliding pin, which is pressured by oil, as in the regular vtec, is used to connect both valves together and allows the full opening of the second valve.

3 stage vtec a combination of vtec and vtec-e

At low engine speeds, one intake valve is opened off an economy lift cam lobe, and the second valve is just cracked open a little to help promote better swirl in the combustion chamber. Used in conjunction with a 5-wire, wideband O2 sensor, great fuel ecomomy can be realized. At medium engine speeds, both intake valves open off the economy cam lobe with equal lift allowing the engine to produce more power, but at the expense of economy. At high engine speeds, both intake valves are actuated by a high lift cam lobe and produce much higher performance than at the medium speed range, but at an even greater expense of economy.

The 3-stage vtec was only offered in the Asian and European markets and not in the US market at all.

[CONRAD29]

vtec e is only on the civic hx not ex so ur rong buddy there no vtec e on the z6 motors and y8 the one ur thinkin of is the 3 stage vtec maybe

[ltlblkcvc]

Originally Posted by CONRAD29

vtec e is only on the civic hx not ex so ur rong buddy there no vtec e on the z6 motors and y8 the one ur thinkin of is the 3 stage vtec maybe

where was I talking about what motors it came in? I just described the principle of how it worked. maybe:

Originally Posted by ltlblkcvc

do I need to slap the both of you? vtec in the y8 engages at 4800 rpm and yeah redline is 7200 rpm.

vtec-e equipped engines
1st engagement is 2500 rpms
2nd engagement is 4800 rpms
vtec equipped engines
1st engagement is 4800 rpms

if you notice in the bold it say vtec in the y8 not vtec-e in the y8. the other was to clarify the vtec engagements for both vtec and vtec-e. the y5 is vtec-e, the y7 is non-vtec, and the y8 is vtec. would you like a list of all engines that had vtec, all engines with vtec-e and all engines with the 3 stage vtec. I can type one out for you. i know my d's

[mocha907]

Originally Posted by CONRAD29

vtec e is only on the civic hx not ex so ur rong buddy there no vtec e on the z6 motors and y8 the one ur thinkin of is the 3 stage vtec maybe

Originally Posted by ltlblkcvc

The 3-stage vtec was only offered in the Asian and European markets and not in the US market at all.

^^

[ltlblkcvc]

Originally Posted by mocha907

^^

thanks I had forgotten to address that as well

[WVU97GS-R]

Originally Posted by ltlblkcvc

vtec-e
At low RPM, one of the two intake valves is only allowed to open a very small amount, increasing the fuel/air atomization in the cylinder and thus allowing a leaner mixture to be used. As the engine's speed increases, both valves are needed to supply sufficient mixture. A sliding pin, which is pressured by oil, as in the regular vtec, is used to connect both valves together and allows the full opening of the second valve.

3 stage vtec a combination of vtec and vtec-e

At low engine speeds, one intake valve is opened off an economy lift cam lobe, and the second valve is just cracked open a little to help promote better swirl in the combustion chamber. Used in conjunction with a 5-wire, wideband O2 sensor, great fuel ecomomy can be realized. At medium engine speeds, both intake valves open off the economy cam lobe with equal lift allowing the engine to produce more power, but at the expense of economy. At high engine speeds, both intake valves are actuated by a high lift cam lobe and produce much higher performance than at the medium speed range, but at an even greater expense of economy.

The 3-stage vtec was only offered in the Asian and European markets and not in the US market at all.

K2OA2 I NEED INFO PEOPLE

[ltlblkcvc]

I'm staying away from that one. but the link you gave in that thread had some good info.

2002 Civic Si VTEC Engagement

this one the best, but it says exactly what I just stated about vtec-e? what I got confused about was in this post where I stated that

Originally Posted by ltlblkcvc

vtec-e equipped engines
1st engagement is 2500 rpms
2nd engagement is 4800 rpms
vtec equipped engines
1st engagement is 4800 rpms

it shouldn't vtec-e but the 3 stage vtec. vtec-e engagement 1st and only engagement is at 2500 rpms. I will change the post to represent this

but this description of vtec-e is accurate

Originally Posted by ltlblkcvc

vtec-e
At low RPM, one of the two intake valves is only allowed to open a very small amount, increasing the fuel/air atomization in the cylinder and thus allowing a leaner mixture to be used. As the engine's speed increases, both valves are needed to supply sufficient mixture. A sliding pin, which is pressured by oil, as in the regular vtec, is used to connect both valves together and allows the full opening of the second valve.

[WVU97GS-R]

haha yeah. everybody whines about not finding anything with the search. i found that within 4 minutes of searching and posted it for him.

[ltlblkcvc]

if you find that funny, you'll love this. no lie first site I clicked on had exactly what he was looking for, in his price range, and all within 10 secs of typing

cheap apexi n1?

[WVU97GS-R]

common sense > noobs