Timming LT8
 

from what i understand, the less the split the more power, the more the split emmissions/fuel economy gets better, right?

i was wondering on the timming issue of the LT8 that im getting from the group buy, i'm going to run the base map for a long while, but when i do upgrade the turbo, injectors, etc. i was wondering how does the lt8 control the split timming issue? and how do i tune the ignition maps? what are the best ways to tune ignition maps? because i can't really trust the tuners around here, "honda performance shops" are not so trust worthy for rotaries..

-mike 13bt

Jon's assured me that the ignition maps that will come on the unit will be conservative enough to be safe, but agressive enough to make halfway-decent power.

To be honest, ignition tuning is the biggest "trade secret" of rotary tuners. You're right to a point (less split means more power) but past that point you start blowing motors. I would stick with the base maps until you can get to a reputable tuner.

If you do want to play with them yourself, however, tuning is very easy. You've got a base ignition curve (think of it as vacuum/centrifugal advance), a MAP correction (think of it as boost retard), and timing split. Just be careful!

Brandon

The LT8's have a pretty good base map in them for the timing split.The only way to get it 100% right is to spend a day on the dyno.Each engine is different so there's no such thing as a "correct" timing map that will suit everyones engine.
Run with the base timing map & you will find it will be a lot closer than you think.

Don't let anyone fool you the car will run but the exhaust will make your eyes water! lol

I suspect that your experience is atypical. ;)

Brandon

Try pulling a bit out of the Mixture trim as we discussed on the phone.
Should help a lot
Jon