Well I finally got to drive my car after 6 months of owning it. It wasn't running when I bought it (sat for 2 years) but the fuel pump was the reason for that. After much tinkering and fluid changing and such (took months to fit it in) tonight was the big night.
I-40 seemed the best place to avoid stop and go traffic and possible stalling situations, so we headed out. After the initial "feeling out" process we decided to see what full throttle felt like with its 300 horsies. A Mustang Cobra behind us gave encouragement.
It pulled very strongly and smoothly until about 90 when I looked in the mirror and saw oil smoke billowing. I got out of it and the smoke stopped. The Mustang passed and the embarrassment didn't.
Since the oil seemed to be drawn into the motor by high vacuum, I'm relieved of course. This was not a "blow by" type of problem. Not being that familiar with these engines I'm not sure where to start looking for trouble though. Any thoughts on where it might be pulling oil from?
Next came the missing. It would no longer rev out under load. Falls all over itself going uphill also. These were new plugs (NGK was all that was available) and may now be oil fouled. Is this likely? A quick oil bath and ready for the trash?
Now that I've had a taste of the car, of course I want more. I know you all understand the feeling. Thanks for your advise,
Sub

 

Check your water for oil and your oil for water. You may have blown a head gasket.

 

All depends on the condition of the engine and the tune. High mileage, heavily 'ragged' 928's will blow oil thru the breather system into the intake resulting in smoke. Really poor examples have broken pistons and are hemorraging oil. Best bet is it's coming from the breather/fill canister. Try disconnecting the outlet from the oil filler (on the left as you face the engine) into a catch can. If the smoke disappears, you've got some serious blow-by on those rings.

On the other hand... an oil change, fresh filters (oil and fuel), good tune-up (cap, rotor, plugs), check the vacuum lines, timing... could make you all better. Generally, the more their driven after they've been sitting, the better they run.

Good luck.

 

I picked up my 82US Auto on the East coast, purchased sight unseen (I know...) and had to drive it 650 miles home. PO drove it 700 miles in 7 years and probably not at all for the last 2 yrs. Got her on the highway and she blew considerable clouds of white smoke over 65mph, and I'm thinking about another 6K for a rebuilt motor...really dampened the initial experience. The good news is it cleared up completely after 100 highway miles or so, now 18K miles later and she's been perfect. I think probably valves or rings getting reaquainted to their seats or bores. Sitting is clearly bad for these cars, I also had an HVAC full of critter crap.
I wish you the same good luck with your oil smoke.
RAS

 

The smoke could have just been lots of oil accumulated in the exhaust system from short run cycles in the driveway.The fouled plugs could be from a overly rich CIS system.Lots of people turn the mixture setting way to rich to cover up idle problems then it runs WAY to rich at high rpm.When it runs to rich it also delutes the oil with gas which can also add to a smoke problem.If the car sat for a long time the rings could also be stuck in the ring lands and that usually rectifies itself with driving and a lot of oil changes

 

Also, check that the oil level is not too high - check it when the car is level front to back and side to side. Excess oil volume causes significant oil misting that is routed through the intake system and combusted, resulting in smoke at higher revs.

 

O K "sub" several points . First your CIS euro probably has a US spec rotor soooooo you have no rpm limiter it could rev to 7,500 . The engine crankcase is vented into the intake oil vapors always flow into the intake and can collect condense in the low spots soooo high RPM high airflow often will suck up what had collected and give you that cloud of smoke . Oil does not collect in the exhaust . You should do a compression test to get some indication of the condition of the rings . Loss of power in a CIS car is usually a injection problem often related to the control pressures being maintained by the "warm up regulator" . Your "journey" has just begun .

 

Thanks for your thoughts on the matter guys. Tonight I pulled the plugs and replaced them to see if the missing/breaking-up would stop. They didn't turn out to look bad at all.
One thing I noted is the molded rubber hose coming out of the top of the oil fill lid is somewhat collapsed and needs replacement. Crank case pressure may open it up more while driving, but I need to replace it.
Then it was I-40 again. No more smoke but it wasn't taking throttle so 3000 rpm's was all I could get. The big question is, fuel starved or ignition cutting out? Jim's post seems to agree with the fuel starved theory. Is the warm up regulator a "change out" part or part of the fuel distributor? What other symptoms would indicate a warm up regulator trouble?
Thanks a bunch,
Jim

 

OK.....it may not collect in the exhaust BUT it will coat the inside walls of the exhaust IF the car is short tripped a lot of times and then burn out on a long run at higher engine speeds and seem to make the "look" like it is burning a lot of oil

 

Just a shot in the dark, but when my Euro's fuel distributor got clogged, the car would not reach proper RPM.

But as a general test regarding the oil smoke, I agree that disconnecting the crankcase breather tube from the intake manifold will help check to see if the oil is from blowby into the intake.

 

Sub,
See: <a href="http://www.devek.net/index.php?page=nfo_tech_tips" target="_blank">http://www.devek.net/index.php?page=nfo_tech_tips</a>
At the end of this: 'Oil driven detonation' and 'The Fix' - Maybe this can help you

 

You should confirm the basics,

compression
fuel
spark

I would start by running a leak down on the engine and go fom there. Bad compression will be the most costly of all to repair.

 

Since I haven't been able to get back to the RPM range where the smoking occurred, I can't tell if I have a continuing problem or if it was an isolated incident. The car only smoked that one time. The "loss of power" trouble will have to be cleared up before that mystery is solved.
With Jim's mention of CIS problems being common and BC's clogged fuel distributor sounding like a good possibility, what should I take apart? Its Friday night and that means take things apart for 1 1/2 days and almost put them back together by Sunday night. Is there a screen just before the fuel enters the fuel distributor?
FYI, 4 Mustang GT's passed me last night on I-40 as if mocking me! This just can't continue..

 

There is a screen at the main inlet port, as well as one on each of the eight exit ports that go to the fuel injectors.

 

Thanks Randy, since the car has just had the fuel pump replaced there's a chance that something got stirred up. However I did crack the fuel supply line loose at the motor and blow it out before installing the pump.