White smoke once on vtec

**vteccoupe** · 09-09-2008 11:52 PM

This is happening to my dc2r once i hit vtec all the way to redline.

(this happens after i changed my header and test pipe)(no engine checklight on)
On normal driving it doesnt blow any smoke, but once it hits vtec its just white smoke.

What might be the problem?

1. blown headgasket
2. cracked cylinder
3. running lean

**aaronng** · 10-09-2008 12:40 AM

Did it happen before you put the test pipe on? Why are you not running a cat? Is this your track car?

**Illegal** · 10-09-2008 07:31 AM

rings, or valve seats are possible. Do a quick leak down and compression check. Are you throwing a code? Did you go hondata obd1 convertion, or did you use a o2 extender?

**SuperSteve** · 10-09-2008 07:28 PM

isnt it normal for smoke to come out once u hit vtec ?? isnt that smoke just the fuel burning ??

**bennjamin** · 10-09-2008 07:30 PM

since its a new header it could likely be anti-corrosion oils on the inner surface of the header , burning up.

**fatboyz39** · 10-09-2008 07:55 PM

mayb running abit lean?

Do a leak down test.

**rbk_212** · 10-09-2008 08:39 PM

Originally Posted by SuperSteve

isnt it normal for smoke to come out once u hit vtec ?? isnt that smoke just the fuel burning ??

no that is not normal, its never good when a car throws smoke, all fuel should be completely burning and emit non visible CO, not black or white smoke

**SuperSteve** · 10-09-2008 09:19 PM

Originally Posted by rbk_212

no that is not normal, its never good when a car throws smoke, all fuel should be completely burning and emit non visible CO, not black or white smoke

so when i put my foot to the floor there shouldnt b any smoke what so ever ?? if thats the case i have a problem

**Int3gra-T** · 10-09-2008 09:23 PM

this has been covered many times before, most cars once engaging vtec blow a lil white smoke,
due to the extra air + fuel?

**rbk_212** · 10-09-2008 10:07 PM

Originally Posted by SuperSteve

so when i put my foot to the floor there shouldnt b any smoke what so ever ?? if thats the case i have a problem

how much are you talking here, the car might just be running a little bit rich which can cause it. It's not always a problem but in my mind a well tuned car shouldnt be throwing junk out the back