blowing clouds of blue

[bakes]

ok this one has got me stumped !!! 10mins of driving at no boost (ok you know thats hard to believe but it is the truth) 2500rpm ALL of a sudden there is 911 of Thick Blue smoke rolling out of the tail pipe 3000 rpm ok 1500 rpm ok 2500 rpm not ok any boost no smoke . now this all started after i parked the for 3 weeks do to freezing temps (didn't want to drive it in the salt) . and i can induce it by pulling hard left hand Gs. . This motor was a full performance rebuild and has less than 7000 km on it . it was broken in on 14psi boost for 3000km and now live it life at 22psi for street and 25-27 track . the S60 center was not overhauled but was ans still tight no sings of coking at all but it did see some wicked high Egt's and survived 3 CAC pipe blow offs before i did the over haul

Things i have done
1. pulled the plugs and inspected normal
2 pulled the hoses on the intercooler and inspected for oil none
3. revamped the PCV system for better oil collection and better Crank case breathing/ventilation no effect but now i gained 2"vac at idle for total of 20"vac
4 removed the plugs again and put bore scope down the bores and inspected cylinders look good but there was oil in the piston dishes all 4
5 remove header dump plate of shoved my bore scope up to the turbine blades some oil but not that much (might be burning it off)

Things i still need to do
1 leak down test
2 remove my Fm 475 cam and swap in my roller s60 cam (this was going to happen before this ) and inspect my valve seals
3. see if i can get my bore scope down the TB and down the ports of my 2 piece intake and look at the valve stems for oil
4 see if can get the turbo out for a possible overhaul(need to try and do this last as i need this car bad right now)

[turbovanman²]

If you see lots of oil in the cylinders then its either rings or guides. If it was the turbo, the outlet would be soaked, which you have confirmed is not.

[bakes]

i wouldn't say it was alot of oil on the piston tops but but they were wet also not the motor was dead cold when i drove it into the shop and pulled the plugs i didn't have the Cal dialed in for cold cold start ( never intend to drive it the cold)and i just pours fuel in on start up 10-1afr

but what really bugs me is that i can induce it on a hard left g turn

[shadow88]

You might want to recheck the oil return tube for kinks or gasket intrusion.

But I think the real problem has been isolated. Oil on the pistons. In the mean time, how about you use a known good cal for the cold weather?

[bakes]

You might want to recheck the oil return tube for kinks or gasket intrusion.

But I think the real problem has been isolated. Oil on the pistons. In the mean time, how about you use a known good cal for the cold weather?

oil tube and gasket checked out ok
for the 20-30 sec it stays in flood rich mode i can live with that. jumps right up the 13-1 after that till operational temp

[ajakeski]

Do your leakdown test. That'll pinpoint the issue.

[bakes]

took the car for a long hard run ( 22psi in 4th and 5th) tonight no smoke egts averaged 1450 to 1500
wasnt till i got the vac above 23" that i got my 1st burp out the tail pipe
but the hole time i could smell it

[85boostbox]

Valve seals???

[bakes]

hhmmm just thought of a old problem i havent seen for a while on power brake cars to check the brake booster full of brake fluid i kind of dought it but will cause smoking on hard left hand turns

[4 l-bodies]

hhmmm just thought of a old problem i havent seen for a while on power brake cars to check the brake booster full of brake fluid i kind of dought it but will cause smoking on hard left hand turns

Have you been refilling brake booster on a regular basis? You wouldn't have any brakes after a short time if booster was filling up with BF. Have seen plenty of MC leak into booster. Last one was on friends Ram truck.
Todd