I have been readin over the old ecotec cam questions and mI kinda still confused..........I have a 2004 cav . I have a header, intake, Throttle body, and full exhaust........By the stuff I have read it basically says I dont nessesarily have to do computer mods for the stage 3 comp cams.....(maybe i misunderstood)........I was just going to go with the stage one comps because it said computer mods not required....but if I can squeak by with the stage 3's without computer mods that would be sweet............

anyone ...bueller....bueller.....bueller?

You cannot run the stage 3s N/A without a stand alone or at least hp tuners.

Quote:

-Street & Strip high RPM (Stage 3) Applications power from 3500-8000rpm .456 intake and .453 exhaust lift, 264 intake and 268 exhaust duration advertized (222 intake and 224 exhaust @ .050" duration) Requires computer modification very strong power over 5000 RPM

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Cant run em without HPT or you will throw a code. Stg 1's are a different story. Sounds like a nice set up you have tho, and cams should definitely complement it.

alright awesome guys thanks