Smoke on hard acceleration
08-12-10, 10:39 PM
#27
Hey Serb i told you that you need a good tune...What is happening is that your car is running real rich so when your on full boost, its the cloud of smoke from your exhaust. Who tune your car, trust me there is no rotary tuner in Rochester. Don't bring it to the guys at EMS Motor sport. Also If you say that RX7store tune it, did you bring your car to there shop. Sending your ecu and telling them what mod you have doesn't work. If you want I could set you up something here at T N R....Call me or text me when you could come down for a few hours...You could come down early Saturday and leave Saturday afternoon or Sunday Morning...Let me know..
i took the car to OH rx7 store i got all my parts from them
jason tuned it
car was feeling realy good responsive man i loved it....
came back with it... within first 1500miles i have changed gasket on manifold 3 times.... got sick of doing that and purchased another manifold from them fixed that problem...then i had another problem manifold moved a turbo lil bit and down pipe and mid pipe was not conecting right - fixed that to, by custom making a exhaust with vband flanges and at the same time routed the wastgate back in....never ending problems
car needs lil bit tune correction but it not to far off
i cant stop by NYC right now... got to much on my plate i just might garage it until next year
08-13-10, 07:32 AM
#31
"Elusive, not deceptive!”
It could also be a PCV problem. Oil smoke, oil in intake, etc., can be symptoms of that, also. How do you have that hooked up?
Link to useful thread: https://www.rx7club.com/showthread.p...&highlight=pcv
Link to useful thread: https://www.rx7club.com/showthread.p...&highlight=pcv
Depending on the plumbing of your engine venting system (PVC), it can suck a shot of oil into the turbo. The two tubes coming off of the oil filler go where?
Barry
08-13-10, 07:57 AM
#32
Racecar - Formula 2000
08-13-10, 08:57 AM
#34
It could also be a PCV problem. Oil smoke, oil in intake, etc., can be symptoms of that, also. How do you have that hooked up?
Link to useful thread: https://www.rx7club.com/showthread.p...&highlight=pcv
Link to useful thread: https://www.rx7club.com/showthread.p...&highlight=pcv
I still have the pcv valve in place
i will chack it
not familiar how to eliminate pcv
08-13-10, 09:03 AM
#36
Racecar - Formula 2000
https://www.rx7club.com/showthread.p...&highlight=pcv
Look at post # 21.
Dave
08-13-10, 11:06 AM
#37
Since you are single turbo you will need to tap the compressor housing pre compressor blade and add a nipple to run a line from the oil filler neck to the intake. Your other option is to install a catch can with breather, either will help if it is a pcv issue. Once you have done either of the above remove the PCV and cap off the manifold where it was attached.
08-13-10, 12:42 PM
#38
PVC got it now....
today
i capped off the pvc and oil filter neck
whent out for a drive
7500 rpm 4th gear i let off smoke
normal driving no smoke
its hard to tell from inside the car but smoke seemed to be grey
the exhaust is black and some black on the bumper
some detonations after that inside the exhaust
will look in to installing oil catch can
and just drive it slow for now
i can datalog some runs if any one willing to take a look
i can also get the car on the dyno....and i can set up conection to my laptop so tuner can control my laptop from his...you would see my laptop screen on yours....with high speed internet conection.... dyno log and widband at the tailpipe and fc datalogit with aem widband aftre the turbo.... if any one can tune this way
today
i capped off the pvc and oil filter neck
whent out for a drive
7500 rpm 4th gear i let off smoke
normal driving no smoke
its hard to tell from inside the car but smoke seemed to be grey
the exhaust is black and some black on the bumper
some detonations after that inside the exhaust
will look in to installing oil catch can
and just drive it slow for now
i can datalog some runs if any one willing to take a look
i can also get the car on the dyno....and i can set up conection to my laptop so tuner can control my laptop from his...you would see my laptop screen on yours....with high speed internet conection.... dyno log and widband at the tailpipe and fc datalogit with aem widband aftre the turbo.... if any one can tune this way
08-13-10, 12:45 PM
#39
Do you have both of the nipples on the filler neck capped off? If so that is not good.
PVC got it now....
today
i capped off the pvc and oil filter neck
whent out for a drive
7500 rpm 4th gear i let off smoke
normal driving no smoke
its hard to tell from inside the car but smoke seemed to be grey
the exhaust is black and some black on the bumper
some detonations after that inside the exhaust
will look in to installing oil catch can
and just drive it slow for now
i can datalog some runs if any one willing to take a look
i can also get the car on the dyno....and i can set up conection to my laptop so tuner can control my laptop from his...you would see my laptop screen on yours....with high speed internet conection.... dyno log and widband at the tailpipe and fc datalogit with aem widband aftre the turbo.... if any one can tune this way
today
i capped off the pvc and oil filter neck
whent out for a drive
7500 rpm 4th gear i let off smoke
normal driving no smoke
its hard to tell from inside the car but smoke seemed to be grey
the exhaust is black and some black on the bumper
some detonations after that inside the exhaust
will look in to installing oil catch can
and just drive it slow for now
i can datalog some runs if any one willing to take a look
i can also get the car on the dyno....and i can set up conection to my laptop so tuner can control my laptop from his...you would see my laptop screen on yours....with high speed internet conection.... dyno log and widband at the tailpipe and fc datalogit with aem widband aftre the turbo.... if any one can tune this way
08-15-10, 06:44 PM
#42
David
08-15-10, 08:11 PM
#43
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Yes, leave one open, even better if you can attach a nipple to the compressor housing pre compressor wheel to pull some very very slight vacuum thru the line. Uncap one of them immmediately. Have you tried driving the car with the oil fill cap removed? If not, give it a try and report back.
David
David
08-15-10, 08:59 PM
#45
08-16-10, 12:00 AM
#47
i chack the pipes about a week ago and nothing no oil....
finaly at home 1min ago got the chance to take off the pips again and WOW its the TURBO
brand new i only put 3k on it ... that didnt last long
i am disappointed in garrett
oil in bottom of air filter and intercooler pipe
no shaft play
so seals inside the turbo must have gone bad
i use mobil 5w30 non-synthetic
finaly at home 1min ago got the chance to take off the pips again and WOW its the TURBO
brand new i only put 3k on it ... that didnt last long
i am disappointed in garrett
oil in bottom of air filter and intercooler pipe
no shaft play
so seals inside the turbo must have gone bad
i use mobil 5w30 non-synthetic
i took all the piping off and IC started the car on idle car didnt smoke any more and the turbo was just spiting oil...
and its turbo after all
i was just listening too many people
i closed the for sale thread on my turbo kit as turbo is bad
no shaft play there is just to much oil going in to compressor housing
i am currently looking for a rebuild kit or if some one can do the rebuild
08-16-10, 12:20 AM
#48
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Just because the turbo comes with a restrictor doesn't mean it's the right size. My buddy had to get a smaller one for his turbo that he put on his s2000 about two months ago, caused it to smoke. Maybe try that and hope the turbo isn't TOO damaged.
08-16-10, 02:59 PM
#50