Injector duty

Started by Tim_B, October 08, 2008, 11:32:54 PM

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Tim_B

Mine were maxing out tonight at 99.8% :eek:

I presume this is bad :2Rolleyes

Does this mean I could be running lean?  Boost is up above normal, probably because of the cold weather - but I would have thought the boost controller would stop it over-boosting :2Confused

Prof

Quote from: Tim_B;543586Mine were maxing out tonight at 99.8% :eek:
 
I presume this is bad :2Rolleyes
 
Does this mean I could be running lean? Boost is up above normal, probably because of the cold weather - but I would have thought the boost controller would stop it over-boosting :2Confused

99.8% could well be bad - anything over low 90\'s and you\'ve no guarantee that you\'re getting the fueling you think you are
 
As for the boost controller, provided your wastegates can handle the excess boost, then the boost controller can pevent over boosting if set correctly - but you may be getting boost creep / boost spikes, which coupled with that high injector duty could spell problems.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex


chrisJDM

ummmmmmm yeh that is very bad lol if you keep doing that you will run lean then bye bye engine.  What mods do you have?

BlitzBoy

what boost controller you have?
"Piston Killa" 3rd Gen\'94 \'Oldone Racing Full Bridge Ported REW 13b engine with SCR seals\'. HKS T51 KAI turbo BBM mapped Motec ECU

JDS/HKS Street Class Championship Runner up 2011
Rotorstock winner 08,09
http://pistonkilla.blogspot.com/
old spec HB T51 470 @ wheels @ 1.2 BAR, 555 @ fly 10.46 @ 130 @ 1.25 Bar
new spec FB T51 482 @ wheels @ 1.15 BAR, 570 @ fly

New Project
"el fénix" RX2 by Mark & Mark

Tim_B

Ok sounds bad then :mad:

Its a blitz boost controller, the spec is broadly single turbo, 850 primary and secondary injectors, apexi power fc and streetported.

chrisJDM

you may need to uprate your secondary injectors to 1600cc to cope