VTec Motors, Was: Another honda race story, Victor is victorious.Yawn.

[rept@qwest.net (rept)]

My newly built quad TB inducted 2.0L 16V leaves quite a plume when I 
hammer down.  

joshhignight@techography.net wrote:

>Actually, I've only noticed real "Smoke" one time from a VTEC equipped car, and it was an S2K (guess the guy fried it or seomthing). All other times it's just soot. 
>
>This means they have a heck of an enrichment system, from the looks. And it doesn't seem to be VTEC only Honda motors. My friend's 90 CRX Si (not a VTEC car, just a 1.6 SOHC) would cough up soot at full throttle. 
>
>G60's seems to do this too. Apparently my 16v did at times as well...
>
>
>Joshua
>
>
>
>
>Original Message -----------------------
>Well, I just might know something about this...maybe it smokes because its a 
>honda, and punk ass kids drive them and Hot-Rod them all the time because 
>they think they're fast, and that magical Variable Valve Timing bullshit 
>doesn't like being taken to 8,500 RPM every time the kid thinks he has to 
>show off in front his highschool at lunch time. (speaking from local 
>observations here)
>
>Actually, my cousin has a 98 Integra GSR with Vtec, his smokes every time it 
>goes past 4,500 RPM, but that is because he fried his piston rings when he 
>tried putting a 95 shot of NOS on it. (previously he had a 50, 60, 75, and 
>80 shot, but he ran it too many times on stock internals...Too bad too, he 
>was pulling low 14s with the 80 shot, and thats at 5,000 feet above sea 
>level.)
>
>I think the Vtecs smoke because the Valve Timing actually changes at about 
>5,000 RPMs...So, when the person driving lets off the throttle aka shifting, 
>that timing has to change again... I figure there is a split second of 
>overlap there and a little too much gas might get into the combustion 
>chamber or something...
>
>Speaking of Honda motors...if you ever get the chance, look at a block 
>without the head on it, so you can see the pistons....A really fucked up 
>design if you ask me.  They have these sleves that the piston sits in, and 
>then a .5 inch gap, and then the regular cylinder bore.
>
>-Brando
>
>BTW I might be all wet on my assumptions why the VTEC smokes, but it sounded 
>good to me.  I will do some checking on that.
>
>
>
>  
>
>>>on his ass, breathing an evil puff of vtec smoke every time he shifts.
>>>      
>>>
>>Anyone know anything about the V-Tec motors having premature failure?  They
>>are fairly new yet (last 5 - 8 years???) and I see a bunch of them smoking
>>lately (usually when shifting like Ron stated).  I don't know a bunch about
>>them or their recalls or anything but I hardly ever see ANY VWs smoke 
>>unless
>>their diesels around here and there are a LOT of VWs in the NW!
>>
>>Dave
>>
>>
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