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Cylinder Head compression 2011 2.4 liter DOHC i-VTEC 4-CYLINdER TYPE K42Z3


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I am considering to replace the cylinder head for the noted engine.  I have 140,000 miles on it . My compression readings taken recently are 131 psi + or - 1 psi between cylinders (which is great.  The 2011 Accord shop manual indicates a minimum cylinder head pressure of 132 psi, but does not indicate what the pressure was when new. With a 10.6 compression ration I would expect the cylinder head pressure  would at least be in the 170-180 psi range.  For the life of me I have searched the internet and cannot find this specification. does anyone know



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