Bad chra? or?
01-28-11, 02:58 PM
#1
Bad chra? or?
Car smoked like a freight train this morning. Engine runs "perfect". Smoke is a little steamy-gas-oil smell. Smoke is even coming out around DP vband behind turbo and looks a little wet from the mixture. I did have a seal pass thru this turbo 2 years ago and never had it checked out.
Then I get to work and get a $21K tax notice!!!!!!!!!!!
Then I get to work and get a $21K tax notice!!!!!!!!!!!
01-28-11, 03:11 PM
#2
sounds like the turbo, maybe pull your plugs see what they look like. just a thought. when a rotor oil seal went on me i pulled my plug and oil was dripping off, cranked it over and oil blew all over my fresh new paint job lol. OUCH 21K huh..dam bro i feel for you.
01-28-11, 03:17 PM
#3
First check out that your PCV or oil catch can/vent did not become blocked/clogged.
I had the symptoms of what you describe once at a race when the filter on my crankcase vent got pushed against the tubing it was on so that the tube sealed against the flat filter top blocking it. Unbelievable amounts of smoke and oil use.
I was able to get the sump venting again and that alone was enough to reset the ring seal in the turbo chra and never had a problem again.
I since redid the vent/catch can system with bigger tubing from multiple areas and no filter- just holes in the catch can top.
I had the symptoms of what you describe once at a race when the filter on my crankcase vent got pushed against the tubing it was on so that the tube sealed against the flat filter top blocking it. Unbelievable amounts of smoke and oil use.
I was able to get the sump venting again and that alone was enough to reset the ring seal in the turbo chra and never had a problem again.
I since redid the vent/catch can system with bigger tubing from multiple areas and no filter- just holes in the catch can top.
01-28-11, 04:59 PM
#5
Crankcase is vented and not blocked. Really thinking its the turbo. I have oil dripping out of the downpipe were the V-band is and the rest is steam. So since its oil and water cooled just sounds like thats it.
When you had the oil control rings fail did the car still run fine? I did reuse the old metal riings on this build just replaced o-rings.
When you had the oil control rings fail did the car still run fine? I did reuse the old metal riings on this build just replaced o-rings.
01-28-11, 05:27 PM
#6
It sounds like your turbo. My car still ran but smoked life something i never seen before. In order for me to re-start it i had to take the plugs out, clean them off, heat them up with a torch, put them back in really fast then start it and drive or else they fould out.
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01-28-11, 06:22 PM
#9
If you have oil dripping from the turbine housing v-band it's likely the turbo. If it's engine related you would only have a TON of smoke as it would be "burning." Here's the whole list of possibilities; high oil pressure issue, oil control ring relation, plugged oil return line, plugged CHRA or lastly a blown CHRA.
Take the turbo off and look into the manifold to see if one runner is caked with oil or if both are. Next try to use a hose and get into the return line and blow air down it. If you can get your mouth up to the flange or line that's the best way but it's no fun.
There's a couple other things to do but I'll keep it simple for now. Also, what turbo are you running?
Take the turbo off and look into the manifold to see if one runner is caked with oil or if both are. Next try to use a hose and get into the return line and blow air down it. If you can get your mouth up to the flange or line that's the best way but it's no fun.
There's a couple other things to do but I'll keep it simple for now. Also, what turbo are you running?
01-28-11, 08:53 PM
#11
The other thing is the smoke is more steam then oil being burnt. Reason I think it's the turbo. Otherwise it would have to be a combo of things. Since the turbo is both oil and water cooled that's what I am thinking it is. But the turbo does spin nice and easy as it has always done.
01-28-11, 10:14 PM
#13
talking head
i think its prudent you spend money first on a coolant system leak down and CO contamination test
if that smoke includes steam then it has to be coming form somewheres ,, and the CHRA is the least likely spot
if that smoke includes steam then it has to be coming form somewheres ,, and the CHRA is the least likely spot
01-29-11, 12:06 AM
#14
Pulled turbo off and front cover had fresh oil in it. Turbine side was just playing nasty! Full of burnt oil. Looking down into the manifold the rear runner is clean front runner shows signs of oil leaking down on one area of mani . My thoughts are after shut down it leaks down that one side hence why the rest of the runner is clean of any oil trace.
And yes I have been around enough just never had a turbo go on me before. I always thought I would loose it with a seal going thru it and I am thinking that's what happened years back. I am going to pull the manifold off and check each exhaust port better.
And yes I have been around enough just never had a turbo go on me before. I always thought I would loose it with a seal going thru it and I am thinking that's what happened years back. I am going to pull the manifold off and check each exhaust port better.
get that biatch fixed so you can do wheelies
