Wasn't there something in a previous post about an out-of-work lawyer? I'd be
considering an EI dizzy before octane boost, lower mpg, and possible
discussions with the local gendarmes.
Just sayin...
Pete "who remembers putting Sunoco 260 in his Suzuki 250....ZOOM! ZOOM!"
-------------- Original message ----------------------
From: "Nathaniel Leeds" <nmleeds@mindspring.com>
> Still tuning,
>
> And now I'm starting to have evil urges. There's a little devil sitting on
> my shoulder which wants me to buy a crate of octane boost and crank out my
> advance (20+ degrees on my SU carb, Solex cam, U20). What is people's
> experiance in this regard. How much maximum advance (mechanical + vacume)
> can the U20 take on 91 octane, and then how much more can it take with a
> little street-legal octane booster. I know there are standard formulas
> depending on the engine, I just don't know what they are.
>
> Also, does someone know where I can find the advance charts for the U20
> distributors (plural because I know there are a couple of available curves,
> and I don't yet know which mine is). I'd like to get a feeling for what my
> maximum theoretical advance is without pissing off the neighbors by running
> my engine at 6000 rpms.
>
> Nathaniel Leeds
> '69 2000 U20
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