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-   XJ6 & XJ12 Series I, II & III (https://www.jaguarforums.com/forum/xj6-xj12-series-i-ii-iii-16/)
-   -   4.2ltr cam cover breathers. (https://www.jaguarforums.com/forum/xj6-xj12-series-i-ii-iii-16/4-2ltr-cam-cover-breathers-168027/)

Rickxj6 08-22-2016 09:27 PM

4.2ltr cam cover breathers.
 
Has anyone done this mod?
Thought the pressure relief may help stop the gaskets leaking.

Doug 08-22-2016 10:59 PM

Just make sure the existing breather (and pipe) is clean. That's all you need.


Cheers
DD

Grant Francis 08-23-2016 03:20 AM

I'm with Doug on that one.

The camcovers are well full of oil when the engine is running, as the drain back holes/slots are on the topside of the camshafts.

I do not use gaskets on that position. A decent bead of Hi-Temp RTV, with a liberal coating at the "D" seals, and no leaks ever.

Rickxj6 08-23-2016 05:05 AM


Originally Posted by Grant Francis (Post 1521421)
I;m with Doug on taht one.

The camcovers are well full of oil when the engine is running, as the drain back holes/slots are on the topside of the camshafts.

I do not use gaskets on that position. A decent bead of Hi-Temp RTV, with a liberal coating at the "D" seals, and no leaks ever.

Thanks Grant,
I haven't tested the latest repair yet, this attempt no.3 on the left side. This time i used a new gasket coated both sides with three bond. I swear by this stuff, when we build drag bike engines the ONLY gasket in the engine that isn't just three bond is the head gasket. Will test it tomorrow & see how it goes.


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