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Old 12-29-2009, 11:56 AM   #1
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Default Increase RC injector flow???

RC fuel injection is closed until Jan 4th. I sent them an email anyway.

I recently realized that my cleaned and flowed pnp 550cc purple tops are not pnp anymore because I have RC injector connectors spliced into my factory harness.

Does anyone know if my RC440 injectors can be modified by RC to flow more fuel? If they can, then I will just sell my pnp 550s and have the RC440s reworked.
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Old 12-29-2009, 11:59 AM   #2
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You can up base rail pressure by ~25%, if you have an afpr.
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Old 12-29-2009, 01:35 PM   #3
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If you use a cobalt bit drill you can embiggen the injector holes but makes sure to wrap tape around the bit so you don't puncture the wiring.
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Old 12-29-2009, 01:40 PM   #4
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Reflowed injectors tend to suck (crappy spray patterns).
Much easier to fix the inj harness. Either fix the one you got on the car or get a new (used) harness. Most/All miata injection harnesses unclip from the main harness.
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Old 12-29-2009, 01:52 PM   #5
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Sounds like I need to scrounge up some stock clips since mine is already been wired for sequential. I'll just sell the RC440s.

Thanks
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Old 12-29-2009, 01:57 PM   #6
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I may have a set of oem injector connectors as part of the half-loom that came with my longblock. Do you want me to check, I would sell them to you real cheap?
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Old 12-29-2009, 02:47 PM   #7
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yes, please check for me. I'd appreciate it.
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Old 12-29-2009, 11:52 PM   #8
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I'll give ya what you give him for the modified harness that fits the 440's. ::Edit Sorry I got excited. Just saw it's only the clips.
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Old 12-30-2009, 09:26 AM   #9
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djp0623, the engine loom I have from the 97 is complete, not hacked up at all like I thought it would be. The problem with it, however, is that the clips for the injectors are pretty broken in the area of the tabs that engage the injectors. I am sending you a PM.
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