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Alloy rocker cover with breather

Posted: Sun Apr 19, 2020 7:25 pm
by rio678
Hi everyone

Been doing a rebuild on my 948 engine and wanted to try and find an alloy rocker cover with the breather, although can’t seem to find one anywhere! The only ones I can see don’t have the breather, any ideas ?

Re: Alloy rocker cover with breather

Posted: Sun Apr 19, 2020 8:07 pm
by philthehill
Most of the alloy rocker covers have a boss which can be drilled and a union fitted.

http://www.minispares.com/product/Class ... o%20search

The boss ready for drilling can be seen just above right of the filler aperture.

Re: Alloy rocker cover with breather

Posted: Mon Apr 20, 2020 9:25 am
by RobThomas
Most alloy covers are painfully thin. I drilled one out to 1/2 BSP and put a very thin nut on either side. That Lumiweld stuff might be a better option.