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recalibrating an fmu for injectors

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Old Feb 11, 2008, 12:02 PM
  #31  
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Yeah but what is that 260 whp? 260 on a dynojet? 260 on dynamometer? 260 on a hub-style dyno? California? Numbers are only one part of the story, how much boost he was running on what turbo is a far better indicator.
Old Feb 11, 2008, 01:04 PM
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I'm trying to find out about the dyno and torque numbers.

He was pushing 12psi on 16g.
Old Feb 11, 2008, 09:17 PM
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u have egt mirage 2.0?
Old Feb 11, 2008, 10:12 PM
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Torque breaks rods, not hp. Depending on what turbo is used depends on the amount of tq made. A gt28r would make far more tq than a 50trim would at 275whp. One large tq spike and the rods would be done trying to push that much power. I dont understand why anyone would take out the pistons and not do rods also. Makes no sense to me.
Old Feb 12, 2008, 06:14 AM
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^Because I was going all motor before, that's why. And if I could I would.

kungfugirl: It's actually coming in the mail. Should be here soon.
Old Feb 12, 2008, 11:06 AM
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sounds good
Old Feb 12, 2008, 11:23 AM
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I won't really worry about detonation since I'll be using meth. I want to use math more for safety. But since I'm pushing 6.5 psi, I might boost it to 8 or 10 psi.
Old Feb 13, 2008, 12:37 PM
  #38  
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And also my egt is lower already due to my higher compression.
Old Feb 14, 2008, 09:13 AM
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your egts lower? i thought when you compress the gas, more then normal, that the exhaust temp. rises.

id figure it would make it go up if anything.
Old Feb 14, 2008, 09:36 AM
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^Just search the web. Alot of topics on this. Also if you retards your timing, then you'll get higher egt's.
Old Apr 19, 2008, 04:24 PM
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fmu fuel management unit an safc or safc2 , it only allows for a +/- 50% so if your stock injectors are 232cc putting in a 348cc injectors is really the max you would be able to properly tune.so if you put in 348cc injectors a starting place would be -50% accross the board 0-7000rpm then with the wideband for monitering you would start adjusting ratio's. on my eclipse fuel map stock injectors were 450cc i was using fic650cc i ended up around -14 0-2500rpm and -22 2500-4800rpm then around -43 4800-7000rpm... this was enough fuel to boost 25-30lbs on a small 16g , big 16g, evo3 16g.

the tactrix cable and the ecuflash program allows for you to do fuel injectors scaling so you can inturn run any size injector you want. i have not changed injectors yet but when i do ill be able to share more info on the way i understand it.
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