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L18 W53 Head

Posted: Wed Apr 24, 2019 5:57 am
by 180bst
Just curious as to what the two cutouts on the first two inlet ports on this cylinder head are there to achieve?Image

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Re: L18 W53 Head

Posted: Thu May 02, 2019 12:34 pm
by broke
No-one really knows from what I've seen on other forums. I've got a W53 at home also and it doesn't have them.

Re: L18 W53 Head

Posted: Fri May 03, 2019 1:46 am
by 180bst
The corresponding notchs on the inlet manifold as well.
We may never know why...