[TR] [6pack] Compression boost

[emanteno at comcast.net]

-------------- Original message -------------- 
From: "Randall" <tr3driver at ca.rr.com> 

> > 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 - 
> 
> Well, don't be too surprised if it works out differently on your TR6. 
> There's a lot more to octane requirement besides compression ratio; 
> including combustion chamber shape and even head material (aluminum heads 
> like the Miata can take more compression). 

You might also want to check to see if the Miata has a knock sensor. If it does, it senses pinging that the ear can't hear, and then retards the timing to eliminate the pinging. You certainly won't have one of those in your TR.
Irv Korey
74 TR6 CF22767U
Highland Park, IL