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L18 W block

Posted: Wed Dec 14, 2011 9:21 am
by stedy sss
I have just noticed 1 of my L18 blocks has a W stamped on it beside the serial number, but my other blocks don't have this.
Can anyone tell me what the W means?

Cheers

Re: L18 W block

Posted: Wed Dec 14, 2011 10:36 pm
by nzdatman
later model L18 maybe? I have noticed earlier ones seem to be A87 and later ones W53 for some reason?

Re: L18 W block

Posted: Wed Dec 14, 2011 10:48 pm
by datsunboy
I think the W has something to do with a different casting of the block....can't remember what exactly.......maybe something about the water jackets or something?

someone on here should know!

Re: L18 W block

Posted: Mon Jan 02, 2012 1:02 pm
by cadat
Yip the w block have siamese bores that means you can bore them out a bit more than a normal block, also they hold a bit more water ive heard.

Re: L18 W block

Posted: Mon Jan 02, 2012 8:46 pm
by 510BRE
yes nice item to own iff u goin to build strong l18 i have had one stowed away until i get some money to build a nice motor for the BRE