[6pack] Compression boost

[Jeff Scarbrough]

At 08:43 AM 6/16/2008, Raymond Hatfield wrote:

>I plan on taking my TR engine up to 9.5:1 based on the fact that my 
>Miata runs on regular with that compression ratio - it will ping a 
>tiny bit under hard acceleration UNLESS I'm using E10 
>gasoline.  Never pings with mid-range or hi octane gas.

Yes, but doesn't your Miata have a knock sensor that retards the 
timing upon detecting a ping?