[Diy_efi] Combustion chamber question

[Raymond Brantley]

I've got a question(s).... 

Doesn't air charge temp and A/F ratio's have something to do with all
this ? Wouldn't a cool rich A/F ratio help ? So besides all the wiz-bang
designs the tune has a LOT to do with it. 



Thanks,
Raymond



-----Original Message-----
From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org] On
Behalf Of Perry Harrington
Sent: Saturday, May 11, 2002 8:43 PM
To: diy-efi at diy-efi.org
Subject: [Diy_efi] Combustion chamber question


Here's a question for the gurus of the list.  I was under the impression
that hemi heads are the best WRT detonation and power.  However a
response countered that.

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?

--Perry



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