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fcars101
09-11-2009, 03:41 PM
motor has 111,000 miles just came off a trip,oil needs changed now,but sucked out 2 qts on trip. motor smoking pretty good nowand was not before. It will start to smoke after warm up,has been driven 5,000 miles since it was stored for 9 years. I believe this may be valve seals.It runs good makes boost and no turbo leaks. Did I miss something? 1987 gn

87 Sleeper
09-14-2009, 11:18 PM
Leakdown test it. Could be worn out valve seals or guides or both.

fcars101
09-15-2009, 11:53 AM
Thanks I believed it to be the seals it runs way to strong!

goldbadge
09-27-2009, 05:13 PM
I think there' a better than 50/50 chance it's the turbo shaft oil seal.