[Diy_efi] water injection

Mike niche
Fri Sep 28 15:08:43 UTC 2007

I think the point Adam is making in all this is the
perceptions and judgement might over-ride the
hard technical facts...


At 11:00 PM 9/28/07, you wrote:
>On Fri, 2007-09-28 at 07:06 -0500, gary wrote:
>> Ian, are you stating the noisy ringing of combustion due to excessive 
>> vibration must result in mechanical damage to be considered
>> detonation? 
>No. but theres a difference between rapid combustion and detonation.
>(IIRC, the latter is supersonic?)
>> There are various (3 ?) levels of detonation. In a gasoline engine the
>> lowest level can continue for extended periods of time without doing
>> any structural mechanical damage.
>Ive never heard anyone say that detonation (at some low level) doesnt
>cause damage. I suppose it depends on your definition of 'extended' and
>how hard you push the engine...
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