Thread: Calling all petrol engine combustion gurus (M102 based qu)
View Single Post
  #3  
Old 09-01-2013, 11:07 AM
Stretch's Avatar
Stretch Stretch is offline
...like a shield of steel
  
Join Date: Sep 2009
Location: Somewhere in the Netherlands
Posts: 14,461
Continued due to attachment limit...
The top end of the engine seems to have suffered from oil ingress via the inlet =>



^^^ cylinders #1 and #2



^^^ #3 and #4

So here's a picture of the combustion chamber recesses in the head



And the valves



Inlet valves looking quite clean actually despite evidence of crank case breather oil being sucked through.

But the exhaust valves - yuk!

Attached Thumbnails
Calling all petrol engine combustion gurus (M102 based qu)-m102_910-intake-ports-cylinders-1-2.jpg   Calling all petrol engine combustion gurus (M102 based qu)-m102_910-intake-ports-cylinders-3-4.jpg   Calling all petrol engine combustion gurus (M102 based qu)-m102_910-old-head-underside.jpg   Calling all petrol engine combustion gurus (M102 based qu)-m102_910-valves-out-old-head.jpg   Calling all petrol engine combustion gurus (M102 based qu)-m102_910-exhaust-valve-crud1.jpg  

__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
Reply With Quote