Proposed Timing Maps
#21
You may want to go back and read Savington's interjection about 18 degrees at 4500 @ 180kPa being a bad thing.
The reason most of our maps dip there is as someone mentioned in the thread Rafa linked--it's the torque peak and the cylinder pressures are highest. That's where knock is most likely to rear its head. Best to back off a little bit and save the motor.
Incidentally, my spark map is *slightly* more aggressive than FM's base map for the hydra. Porting it over was a bitch if anyone cares.
Vlad: start a new thread for fuel maps if you wanna see em. This is the timing map thread.
Stein: I wish the software had two things: 1) fully configurable breakpoints for RPM and MAP, and 2) a rescale function. sigh.
The reason most of our maps dip there is as someone mentioned in the thread Rafa linked--it's the torque peak and the cylinder pressures are highest. That's where knock is most likely to rear its head. Best to back off a little bit and save the motor.
Incidentally, my spark map is *slightly* more aggressive than FM's base map for the hydra. Porting it over was a bitch if anyone cares.
Vlad: start a new thread for fuel maps if you wanna see em. This is the timing map thread.
Stein: I wish the software had two things: 1) fully configurable breakpoints for RPM and MAP, and 2) a rescale function. sigh.
Will go in and adjust the timing more as I go... input like yours is great! Honestly, thanks
Cheers,
M@
#22
Paraphrasing, but it's in the manual.
#26
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yes it could. the wideband averages all four cylinders to obtain a reading (it has to, there's only one downpipe) and if one injector is way off, it'll cause the other three to compensate in the other direction.
#28
Forgot all about this issue; but now it seems to be the problem...
Hope I can get it fixed!
Cheers,
Prospero
#29
I was a dumbass during the injector install and one took a 2' drop onto concrete... the pindle cap (sp) got knocked pretty good and was visibly out of alignment... I was able to press it back into shape; but it was not 100% spot on. Sadly I was in a bind and had to put my injectors in before it started to rain and so I rolled with it.
Forgot all about this issue; but now it seems to be the problem...
Hope I can get it fixed!
Cheers,
Prospero
Forgot all about this issue; but now it seems to be the problem...
Hope I can get it fixed!
Cheers,
Prospero
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