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JJ 911SC JJ 911SC is offline
83 911 Production Cab #10
 
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Join Date: Jun 2009
Location: Ottawa, Ontario, Canada
Posts: 10,588
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Quote:
Originally Posted by tirwin View Post
... There has also been some debate about the type of orings to use on the high pressure tubes at the top of the oil cooler. The green type seem to fail. The reddish brown colored ones seem to be the preferred. I don’t think it matter on the lower low pressure opening.
Correct the reddish brown (Elring) fix my problem.

Quote:
Originally Posted by JJ 911SC View Post
Since I'm using caliper on flexible rubber, the measurements are not perfect (I/D + 2 thickness is not exactly the O/D) but close.

The one’s from Elring fall in between those that were in and the green one.

Measurements are the same between 2 set of Green and 4 set of Red/Brown.

The large Red/Brown got almost a glossy finish when compare to the small one.

The Elring ones fall in between the Red and Green.

The green ones are always Taller, smallest O/D, biggest I/D and the thinnest one.

So I put the Elring one in, torque to 25mm and its not leaking in a static condition like the green one was.

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83 911 Production Cab #10, Slightly Modified: Unslanted, 3.2, PMO EFI, TECgt, CE 911 CAM Sync / Pulley / Wires, SSI, Dansk Sport 2/2, 17" Euromeister, CKO GT3 Seats, Going SOK Super Charger
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