I can't belive it my car smokes and it only does it when i rev around 7k-8k can anyone tell me the problem. i checked my spark plugs no oil and the car is not leaking oil. the car runs hard but it smoes when i run it hard and i also checked my oil and i was missing a quart. please help!!!!!!!!!!!!!!!!!!

 

bump help please?

 

what color is the smoke? could be piston rings/leakin headgasket

 

You know the stock limit for the Z6 is 7400, and that taking it to 8000 serves no purpose on a stock valve train other than to say you did it.

Burning oil can enter the combustion chamber from
- Valve Seals
- Piston Rings

Compression test + Leakdown test are your friends.

 

thanks doc so redline the d16z6 at 7400?

 

Well at 7400 is the stock fuel cut off according to the Factory Service Manual.

 

well i have a skunk2 ecu that the redline is 9200 and vtec open up at 4800

 

redline at 9200?? do you have stock internals? i hope not. i think reving to 8 k is probably what done it.. do the compression and leak down tests like the guy said.

 

yea stock internals dam i messed it up agin what could be the problem the head?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dr_latino999 &raquo;</TD></TR><TR><TD CLASS="quote">You know the stock limit for the Z6 is 7400, and that taking it to 8000 serves no purpose on a stock valve train other than to say you did it.

Burning oil can enter the combustion chamber from
- Valve Seals
- Piston Rings

Compression test + Leakdown test are your friends.</TD></TR></TABLE>

did you miss this?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by efking1985 &raquo;</TD></TR><TR><TD CLASS="quote">well i have a skunk2 ecu that the redline is 9200 and vtec open up at 4800</TD></TR></TABLE> You don't have a Skunk2 Ecu, you have a chip off of EBay labeled "Skunk2" because they know people will buy it thinking the sun will orbit the moon, cats will chase dogs, and the CRX will be a greater feat of engineering than the Bugatti Veyron. The 4800 RPM point for VTEC is right, but the 9200 is DANGEROUSLY wrong. At that point your rod bolts are going to slack off (puns intended) on their job, your water pump is probably near the point of cavitation (if it's not there), need I go on?

 

so just swap out the head?

 

oh my god.. could be piston rings so swapping just the head wouldnt solve your problem

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by janz3n &raquo;</TD></TR><TR><TD CLASS="quote">oh my god.. could be piston rings so swapping just the head wouldnt solve your problem</TD></TR></TABLE>

but if it's my piston rings i would have oil in my spark plug yes or no?

 

Not necessarily, oil on the spark plugs just says that there is an abundance of oil in the combustion chamber. The only way that you are losing oil without an external leak is through...the combustion chamber. What you need to do is a compression test to first get a 'feel' of the state of the cylinders.

 

ECU let you rev to 9200. Why stop at 8000?
Anyway, buy new motor, you *** this one up big time.

 

check your compression if it has low compression in a piston poor some oil threw the spark plug hole then crank up the enigne again. your compression will go up trust me.. it might be bad piston rings. i had a b16 once and i threw out blue smoke when i revved it to much at 8100rpm i took it apart turns out i had bad piston rings..

 

holy crap why do people rev so high? these arent race cars.

 

expletive it!!!!! so you dont stay behind