[Diy_efi] Combustion chamber question

[Greg Hermann]

>So, here's the question:  How does Honda make 183HP per liter with 12:1 CR
>on the CBR600 engine?  I understand that RPM is more of an affect on the HP/l,
>but running 12:1 on pump gas without detonation is impressive.
>
>Perhaps someone could shed some light on this?

Honda also has a habit of using a very short con rod/stroke ratio to deter
detonation by moving the piston away from TDC faster than happens with a
longer rod.

Greg
>
>--Perry



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