Adimir Posted April 13, 2006 Share Posted April 13, 2006 I have n42 head that has been shaved .080" I have turbo dished pistons overbored .020" pistons sticks up .010" above deck and im using a 2mm headgasket (.080") stock rods, crank so what am i looking for compression...ballpark? thanks Quote Link to comment Share on other sites More sharing options...
thehelix112 Posted April 13, 2006 Share Posted April 13, 2006 http://www.ozdat.com/ozdatonline/enginedesign/ Dave Quote Link to comment Share on other sites More sharing options...
Adimir Posted April 13, 2006 Author Share Posted April 13, 2006 thanks alot, now how much is .080" off in CC on n42 head? thanks Quote Link to comment Share on other sites More sharing options...
thehelix112 Posted April 13, 2006 Share Posted April 13, 2006 N42 is an open chamber head yes? So you can basically take that off the head gasket width. Ie, enter -2 in the gasket field. Might work, can't remember how I wrote it. Dave Quote Link to comment Share on other sites More sharing options...
Adimir Posted April 13, 2006 Author Share Posted April 13, 2006 yes its open ok ill give her a try 11.6:1 ..eek.. Quote Link to comment Share on other sites More sharing options...
TimZ Posted April 13, 2006 Share Posted April 13, 2006 yes its openok ill give her a try 11.6:1 ..eek.. I think you picked the wrong piston - you need the L28 early/turbo to include the dish volume. I got more like 9.55:1 Quote Link to comment Share on other sites More sharing options...
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