Has anyone made a 87 octane spark map for their turbo miata?
Wondering what they changed, just in boost or also out of boost as well?

Thanks

Justin

 

boost and 87 octane?!

 

If you check his other threads you'll understand everything.

 

Yeah, I mean I got a tuneable ecu, I"m not running a stock ecu which I can't do anything really with. Trying to get it back to stock running feel, with better gas mileage, more power and go back to using 87 octane.

 

The Hyundai Genesis 4 cyl turbo uses 87 octane, but compared to the same engine in a different car (I think mitsu lancer turbo (not evo)?) with similar weight and drag but specs 91+ octane, the Genesis has less power and worse mpg.

You basically dump fuel and timing and run low boost. Kind of defeats the purpose considering for the mere price of $3/tank you get piece of mind, more power, and better fuel economy (likely to the point that it makes the price difference a wash).