> know this. The mid grade gas, unless diluted with alcohol, should
> perform well with compression ratios up to 9:1. The Higher 92 grade
> should be O.K. to 10, maybe 10.5, but may require some retardation below
> optimal. Any C/R above that, and lots of luck. Alcohol will cool the
> flame temperatures down, diminishing pinging, but at the cost of power.
>
> Steve
>
The beater 289 in my snake w/8.5 CR and 150 kmiles or so of carbon
build up runs just fine on the cheapest 87 octane I can fine.
Roland
This archive was generated by hypermail 2b30 : Tue Sep 05 2000 - 09:30:46 CDT