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-   911 Engine Rebuilding Forum (http://forums.pelicanparts.com/911-engine-rebuilding-forum/)
-   -   Cam Pitting, Piston Oil Squirter Testing Without Splitting Case (http://forums.pelicanparts.com/911-engine-rebuilding-forum/1054027-cam-pitting-piston-oil-squirter-testing-without-splitting-case.html)

Henry Schmidt 02-05-2021 08:43 AM
Quote:
Originally Posted by Martinlassmann (Post 11211289)
4mm with an early 4 rip pump or 964?
Pump makes no difference.

burgermeister 02-05-2021 09:41 AM
What my rockers looked like. This is <15,000 miles of driving using BP20W50 oil.

http://forums.pelicanparts.com/uploa...1612550342.JPG
http://forums.pelicanparts.com/uploa...1612550342.JPG
http://forums.pelicanparts.com/uploa...1612550342.JPG

ahh911 02-05-2021 10:05 AM
Meister,
Are these the one's you had reworked? If so, how are they doing?
Phil

burgermeister 02-05-2021 12:42 PM
Yep, John reground that set. I have not checked it over in detail, but I do peek at whatever cam lobes are visible at the annual valve adjustment, and I have not found anything. Mileage on the set is probably 20-25K. A decent amount of track use initially, though only a 2 day weekend in the last 2 years.

Harpo 02-07-2021 02:09 PM
Thanks Henry, good to know, thanks for sharing!

Quote:
Originally Posted by Henry Schmidt (Post 11209864)
In my opinion the factory oil cam feed restrictor is too small.
From memory... 2.5mm. The non-restricted fitting is 6mm.
We modify the opening to 4mm. This gives us the best of both worlds.


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