Quote:
Originally Posted by gringo
I wonder if the HPFP on these cars is marginal to begin with. At the high level of pressure these pumps have to operate at, maybe upgrading to a ZL1 pump would be good idea even if you were N/A as well.
When I'm at a light sometimes, my idle gets kind of goofy too. My intake and TB are clean as a whistle and I run both a catch can and a clean-side separator. No vacuum leaks either that I know of.
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The HPFP is good to just under 500whp. The in tank fuel pump can be a limiting factor though, and with the ZL1 pump being an easy modification, I kind of agree. I can't imagine it wouldn't give a little more overhead, especially with E85 - not that the stock tank fuel pump can't be used though.
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K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler
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