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Originally Posted by radz28
Is this the hotrod model that was installed on Guitarmageddon's ZL1? Or is the 2650R that you installed on your C7 capable of supporting port injection? I'm only curious, because I'm not understanding the logic of adding a stand-alone fuel system, now, when there are DI systems capable of doing the same thing, for near the same price, using OEM PCM-control and such, but to each their own. I'm just curious over the comparison/interest from others.
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The 30% injectors and Lingenfelter pump are nowhere close to keeping up with these blowers on E85. Katech has 45% injectors and a belt driven fuel pump but it’s considerably higher than port injection. Port also keeps the valves clean. PFI supports everything these blowers can make on E85 without any meth. If you choose to go the Holley route you have full control of the throttle body, spark timing, and the ABS sensor for traction control. It’s using dual widebands for quicker, more precise adjustments. I am no tuner but I would guess it has to be easier and more versatile than tuning the finicky factory ecm as well. It’s not for everyone for sure. There would certainly be other hurdles to cross using that much power, like belt slip on the 8-rib, and having a drivetrain that can handle that much power but it’s gonna be necessary at some point. After seeing and hearing cfm flow numbers I have to assume it’s gonna take a serious fuel system to keep up with these blowers. Seems like a lot of the Procharger guys have gone the port route on big power. It’s a link in the chain when you are chasing big numbers. No doubt we will see some crazy builds ahead. You can also see how the ZR1 has benefited from PFI with its track times. I haven’t seen anything close to that time on direct injection alone. It’s a fun thing to dream about anyway. Affording all that it is laughable though