miércoles, 6 de febrero de 2013

D16A9

started working on a new head from a D16A9 engine. this engine runs on civic 4th gen and CRX 2nd gen.
 at first sight, the intake port is similar to a d16y8 head, with the divider  deeper in the intake. this design a allows more flow in .1" .2" .3" valve lifts.

i'll flow it tonight to compare with other 1600cc honda.



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