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Old 02-09-2012, 12:15 AM   #11
cali yaris
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Quote:
looking thru the maps he only adjusted the ignition map and fuel map
That's perfectly fine, fuel and timing are pretty much what you tune with, unless you get fancy.

Quote:
garm i asked him wat my duty cycle was and he just gave me an example about how at idle they may use .8 volts and at full throttle they could be using 3 volts
So, using your example, you have a range of 2.2v. 3-.22 = 2.78v = 90%. IF it's linear. I know there's a way to figure or measure it. NOT quoting real numbers.

So sorry, but that is BS -- I've never paid someone to tune my car and not been told what my duty cycles were. Should be between 0-100%, with 100% maxed out. (I think I've seen 110% before, come to think of it). How in the world would you know when to upgrade your injectors without this information?

{edit} maybe this is the limitation of a piggyback (I run standalone) -- can someone else chime in here?

Quote:
the dyno was done in 4th gear
That is the correct gear in our cars. My pulls were done in 4th at all four of my sessions (180, 230, 310, 357, and one more to come ).

Quote:
my max hp was 129HP
Something wrong there unless you are running 2psi.

Post the chart with power AND torque. The two lines should cross at 5250.
Post the chart with air/fuel vs. rpm.


Then we'll know something.
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