L18 W53 Head

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180bst
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L18 W53 Head

Post by 180bst » Wed Apr 24, 2019 5:57 am

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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1975 610 Sedan VG20ET
1973 610 SSS Coupe
1983 C20 Van
1981 720 Cab Chassis

broke
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Re: L18 W53 Head

Post by broke » Thu May 02, 2019 12:34 pm

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.

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180bst
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Re: L18 W53 Head

Post by 180bst » Fri May 03, 2019 1:46 am

The corresponding notchs on the inlet manifold as well.
We may never know why...
1975 610 Sedan VG20ET
1973 610 SSS Coupe
1983 C20 Van
1981 720 Cab Chassis

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