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will this fit.

PostPosted: Thu Jan 21, 2010 7:00 am
by 93cxhb
hey guys will a d16z6 head fit on a D15A3 block ? if so is there anything specail that needs to be done?

PostPosted: Thu Jan 21, 2010 7:21 am
by JUICE
good Q



thats a old block. it may be different than the newer years' D engines, like the old prelude "B" that is not compatible to the newer B's. could be wrong about that block though.


a kid down the street from me has a clean 86/87 Si (that engine stock) but not sure what all he has done to it.

PostPosted: Thu Jan 21, 2010 1:11 pm
by intheworks
from what iv researched head gasket and oil passages line up but the coolant passges will have to be drilled out a little to line up. 1 head stud hole will have to be machined over (3mm) and a guide pin will have to have the same done (2mm). the head stud hole may cut through the exhuast passges.

PostPosted: Fri Jan 22, 2010 1:33 am
by 93cxhb
Thanks for the info . My buddy was finding mixed awnsers everywhere