General Question

[mike kojima]

19 degrees has been proven to be the best on most cars
with stock cams and stock ECU after extensive dyno
testing to determine it on many cars.

Itr works fine on 91 octane fuel with stock
compression and stock cams.

With thinner air you can get away with more advance
due to the lower air density!

Mike
--- Jon Pennington <cowboydren@yahoo.com> wrote:
> 17 or 18 seems to run well at KC elevation with 91
> octane...19 is
> probably a little harsh if your air is thin or you
> can't get ahold of
> 93 octane.