We're on the same page.
- Bernd
At 01:06 PM 01/13/2000 -0500, you wrote:
>>So the basic requirements of Higher octane Fuel are any of these or a
>>combination of:
>>
>>(1) High Compression Engines (10:1 and higher)
>>(2) Advanced Timing (Manual or Electronically advanced - ie; Chip)
>>(3) Pinging (Could also use higher grade gas to temporarily fix but not as
>>a permanent fix)
>>(4) Super/Turbo Charged Engines
>>(5) Nitrous Injected Engines
>>
>>Sounds like High Octane Fuel is still ok to run with then. Just depends on
>>the application.
>>
>>- Bernd
>
>
> Yep. Pretty much. If you have spark knock, you need higher octane.
>Any of the above mentioned modifications would result in knock if you used
>87 octane. I think we're on the same page Bernd, but I'm not sure if
>we're arguing or reassuring each other ;)
> For anyone whose lost, knock, pinging, detonation, whatever you want
> to call it, is the result of the intake charge (air fuel mixture)
> igniting before its supposed to. This can happen because:
>A: its squeezed too much
>b: its too hot the CC (overall)
>c: hot spots in the CC
> The higher octane gas is HARDER to burn and therefor makes it harder
> for these conditions to ignite the intake charge. If you make it harder
> to ignite the intake charge on an engine that can't (maybe) ignite the
> intake charge, you're going to get buildups. Thats my story and I'm
> sticking to it.
>
>--
>Dave
>
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