Breather Filter - what size?

rb69

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How do,

What size breather filter do I need to go on top of the rocker cover? Will 15mm be ok?
 

djurny

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the breather outlet has a outer diameter of 12mm.. 15mm will not fit snugly..!
on the pcv side i think 10mm was the one to go for..
 

djurny

Member +
i would suggest to use the 12mm one and put a breather on the carter ventilation instead of a breather on the pcv valve!
 

rb69

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I only need one for the rocker cover, im not touching the pcv valve. I'm changing over the standard re-cirs valve and i take it the big pipe needs to be blocked up so I'm thinking the best thing to do is stick the breather on that right?
 
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