edakotaford Posted July 2, 2008 Report Share Posted July 2, 2008 searched but couldn't find... and anybody know where around everett/seattle i could pick up good gasket and timing kits for an l18? Quote Link to comment
LenRobertson Posted July 4, 2008 Report Share Posted July 4, 2008 I found this info on a cylinder head page I had printed out, (I believe from the 620 PU site that I can't seem to locate on Google right now): W53 - "1.25 in. intake ports, square exhaust ports, 1.65 in. intake valves, 1.38 in. exhaust valves." I don't know if all the square exhaust port heads have the same port size. I don't recall ever seeing mention of some heads having larger or smaller exhaust ports. Len Quote Link to comment
LenRobertson Posted July 5, 2008 Report Share Posted July 5, 2008 Found it: http://www.olddat.com/html/tech/head_ID_2.htm Len Quote Link to comment
edakotaford Posted July 5, 2008 Author Report Share Posted July 5, 2008 alright... so what's the difference between open and closed chamber heads...? pros? cons? Quote Link to comment
banzai510(hainz) Posted July 7, 2008 Report Share Posted July 7, 2008 closed chamber has less pinging proplems and more compression than a U67 Quote Link to comment
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