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L18_B310
PostPosted: Mon Dec 26, 2005 9:24 pm 
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Joined: Fri Nov 11, 2005 6:48 pm
Posts: 146
Location: Mount Gambier, South australia
gday, i just checked the number on the head of my L18 and its a W53, can anyone tell me what they're like? Do they have the same combustion chambers as a SSS head? if not what size are they?

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Tristan.

Daily - '85 XF Falcon Spak Wagon (that I don't care about)

On going project - '79 L18 Powered Datsun Sunny, Twin 45's
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seandatto
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PostPosted: Mon Dec 26, 2005 9:39 pm 
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Joined: Mon Sep 26, 2005 4:34 pm
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Location: Melbourne Sth East
Combustion chamber is approx 39cc. Closed(penut) shape.

Small inlet ports and standard valve sizes (42mm inlet)
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banzai510(hainz)
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PostPosted: Tue Dec 27, 2005 2:08 am 
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Joined: Tue Feb 10, 2004 9:17 am
Posts: 807
Location: Covington,Wa USA
What I read is 40-41 cc chambers closed head

stock 510 heads(210casting) is 38-39cc

1.65in intake valves and seen 1.30 or 1.35in ex valves

its a good head ,can be ported out ot make a SSS spec head.
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