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Power Strokes
7.3 Aftermarket
Another T4 thread
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[QUOTE="superpsd, post: 1428113, member: 15821"] Looked as if the Hypermax CGI block does have coolant passages in the pictures? Heavy price which puts it out of reach for most anyways. As for common rail I think Swamps maybe setup like two 7.3s with common rail not sure exactly. The one injection setup was for sale for 20K a while back. Common rail does have some downsides vs heui. Common rail injectors and pumps have much tighter tolerances which need cleaner fuel and are more prone to damage due to contamination. Also if a heui poppet gets stuck open somehow I think you would be OK and I don't think after messing with these injectors there is really any chance of that happening unless somehow the solenoid was stuck energized. If a common rail injector gets stuck open which does happen say goodbye to the engine. Piezo injectors also do not seem to last as long as a heui stick due to fuel erosion and the extremely high speeds these sticks actuate at multiple times per injection event. Also much higher voltages of the Piezo style injector upward around 250V. I still think it would be cool to use the newer style solenoid stuff that is coming out to CR a 7.3 and maybe belt drive a hpfp. Unsure if that would work as I know that some of these hpfps need to be timed due to pulsation? Fire it with 7.3 electronics as on a performance setup you don't need the multiple events. [/QUOTE]
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