<VV> Oil leak

Tom Berg thesuperscribe at yahoo.com
Mon Jun 8 20:32:13 EDT 2020

 I've heard that introducing synthetic oil to an engine that's accustomed to conventional oil will soften seals and cause them to leak. Disin't know that it can happen so fast, if synlube is to blame for your leaks. 
--Tom in Ohio
    On Friday, June 5, 2020, 04:11:43 PM EDT, James Cuneo via VirtualVairs <virtualvairs at corvair.org> wrote:  
 Turbo on 140 engine.
So, I was a quart down on oil and had no dino oil. So, I added a quart of full synthetic 5-30 knowing I was going to change the oil soon. Within 20 minutes while driving I began to smell burning oil. Coincidence? Changed oil to dino 10-30, still smell.
Upon inspection I see oil dripping slowly from between the cylinder and cylinder head, onto the pushrod tubes of #5 and #3 cylinders, then onto the ex. manifold.
This roughly coincides with where the turbo drain oil enters rocker galley.
Could it be an o-ring behind the pushrod guide has begun to leak? Anyone have this happen before? It is not leaking from the pushrod o-rings or valve covers or top cover or turbo drain plumbing.
I can see no other leaks or routes that leaking oil could take.
Thanks in advance for your help.
Jim C.  707-326-6220
65 corsa 140/turbo

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