MelloYelloCRX Posted September 8, 2006 Share Posted September 8, 2006 compression on a d16a6, would pistons from a d16a1 fit this motor? if so would comp. ratio go up Link to comment Share on other sites More sharing options...
VR17 Posted September 8, 2006 Share Posted September 8, 2006 yes.. try it and find out Link to comment Share on other sites More sharing options...
SolLesHonda Posted September 8, 2006 Share Posted September 8, 2006 Yes. P29 pistons will fit. With D16a6 head and gasket, 29's would net you 11.346:1 CR. Stock D16a6 CR = 9.109:1. Link to comment Share on other sites More sharing options...
Humphries Posted September 8, 2006 Share Posted September 8, 2006 too high of a CR for me.. i have 10.4:1 Link to comment Share on other sites More sharing options...
Kastigir Posted September 8, 2006 Share Posted September 8, 2006 11.3 you'd have to run race gas, premium with octane boost, or retard the timing a bit. Link to comment Share on other sites More sharing options...
cranny Posted September 9, 2006 Share Posted September 9, 2006 no you wouldnt have to retard timing to run that compression. you should be able to run supreme pump gas in it. typically , when a car is running nitrous is when they retard the timing. Link to comment Share on other sites More sharing options...
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