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recalibrating an fmu for injectors

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Old Feb 5, 2008, 10:01 PM
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but wouldnt that cause your fuel trims to be off? cuz mine are and i subtracted fuel and never messed with the latency.
i tried to fix it but it wasn't worth the trouble. so i left it be
Old Feb 6, 2008, 01:07 AM
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so those of u with larger injectors did u remove the fmu? what do u have??
Old Feb 6, 2008, 06:40 AM
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NO!!!

I'm running fpr, bored out fuel rail, fmu and 460cc injectors. All that with perfect tuning and a/f ratio.
Old Feb 6, 2008, 09:28 AM
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Why are you running an FPR, FMU and bigger injectors? There has to be an easier system than that.
Old Feb 6, 2008, 10:23 AM
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I just had it. It's working great. Besides I like to run rich and safe, lol.
Old Feb 6, 2008, 11:33 AM
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Originally Posted by ambystom01
Why are you running an FPR, FMU and bigger injectors? There has to be an easier system than that.
No kidding. You've added unnecessary points of failure to your fuel system.
Old Feb 7, 2008, 01:33 AM
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also to his internals hahah, 11:1 is it? bwah......... i would be scurred.
Old Feb 7, 2008, 06:28 AM
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Please car car has been running strong as hell. Alot more to come soon. It's all about tuning.

These are my guys that I went to:

http://www.youtube.com/watch?v=9e5R_OTqpjU
http://www.youtube.com/user/NoLimitMotorsport
Old Feb 7, 2008, 10:56 AM
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Originally Posted by kungfugirl
also to his internals hahah, 11:1 is it? bwah......... i would be scurred.
I was half-expecting the car to blow up on the dyno but it seems to be holding strong assuming Mirage doesn't do something stupid like run high boost.
Old Feb 7, 2008, 11:41 AM
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Originally Posted by ambystom01
I was half-expecting the car to blow up on the dyno but it seems to be holding strong assuming Mirage doesn't do something stupid like run high boost.
With both an FPR and FMU in play its only a matter of time. I would remove one or the other and re-tune because if either one of them malfunctions... BOOM!! He is right in stating that its all about the tuning. However, sometimes you can't tune for mechanical failure.
Old Feb 11, 2008, 10:08 AM
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Originally Posted by ambystom01
I was half-expecting the car to blow up on the dyno but it seems to be holding strong assuming Mirage doesn't do something stupid like run high boost.
Within 2 months you guys will see water/meth injection and 10-12 psi. All on stock rods.

FYI, I have talked to rrm guys and they said that their lancer with only forged pistons and stock rods pulled about 260 whp. And they the stock rods will hold around 275whp.
Old Feb 11, 2008, 10:16 AM
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That's weird cause RRM seems to have regularly said that the stock rods are a major weakpoint in the motor. Don't forget, that 260 whp could be on a dynojet which makes it a pretty useless comparison.
Old Feb 11, 2008, 10:17 AM
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Originally Posted by Mirage2.0
Within 2 months you guys will see water/meth injection and 10-12 psi. All on stock rods.

FYI, I have talked to rrm guys and they said that their lancer with only forged pistons and stock rods pulled about 260 whp. And they the stock rods will hold around 275whp.
Considering the stock rods are cast I would take that with a huge grain of salt.
Old Feb 11, 2008, 10:20 AM
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As with anything a vendor says.
Old Feb 11, 2008, 10:55 AM
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I heard that with 4g94 engine, the pistons are the weakest then rods.

Ok, suppostly, Brian's car put out 260whp on stock rods and forged pistons. I'm just saying what I have been told. Oh well, I shall see.


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