C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

looking for tuner in Wyoming

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Old Sep 15, 2013 | 09:29 AM
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Looking for someone who can dial in my c4 tpi in central Wyoming. I just replaced fuel injectors,58 mm tb ,msd ignition ,had a custom chip burnt , fuel pressure regulator, now just runs pig rich.
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Old Sep 15, 2013 | 09:54 AM
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Originally Posted by roydettmer
Looking for someone who can dial in my c4 tpi in central Wyoming. I just replaced fuel injectors,58 mm tb ,msd ignition ,had a custom chip burnt , fuel pressure regulator, now just runs pig rich.
Did you tell the tuner what injectors you had and at what pressure, or did you just tell him 22 lbs. It is critical that the tuner get the flowrate correct. This post will gain you a schitt storm of PM, so you must make your best judgement call.
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Old Sep 15, 2013 | 04:26 PM
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I informed the tuner that I had 22lb injectors when I ordered the chip.
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Old Sep 15, 2013 | 04:28 PM
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I also informed him that I was running 45lbs fuel pressure.
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Old Sep 15, 2013 | 05:06 PM
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Do you know what the injector brand, and number is? Is this a conversion, what ecm are you using?
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Old Sep 16, 2013 | 10:27 AM
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I am running Bosch 111 's that I got from FIC.
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Old Sep 16, 2013 | 11:29 AM
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Originally Posted by roydettmer
I am running Bosch 111 's that I got from FIC.
First, your username says you have a 1984 Corvette? This would be CFI, and not TPI. The CFI's have not be hacked for reprogramming either to the best of my Knowledge. What system do you have?

Bosch III's? Are they yellow 280-155-700, or blue 280-155-715, or?

Sorry, but I need to know what you have to form an opinion.
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Old Sep 16, 2013 | 02:10 PM
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I have converted to tpi from cfi and I am running the blue bosch III's
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Old Sep 16, 2013 | 02:14 PM
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Most blue Bosch III's are 24.3 lbs at 43.5 psi. Send your memcal back and have your flowrate modified for this larger injector. They should be 280-155-715, and it's molded right on the injector. I'll assume your using Speed Density. Send it too me, and I'll fix it for free if you'd like.
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Old Sep 16, 2013 | 04:47 PM
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I am using speed density with this set up. pm me with your e-mail and I'd be glad to let you take a crack at this.
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