COMP Cams XFI AFM GM Gen V Camshafts 656-421-13

[keifer1992]

i have a 09 silverado and im about to do a cam swap with the new comp cam and i was wanting to know if it will run at all with out tuneing . or who would be the best to tune it i already have a 450+ tranny and banks ram air . turbo or supercharger some day just looking for some advice

[Danthaman69]

i have a 09 silverado and im about to do a cam swap with the new comp cam and i was wanting to know if it will run at all with out tuneing . or who would be the best to tune it i already have a 450+ tranny and banks ram air . turbo or supercharger some day just looking for some advice

Your gona have to tune it.

[Sooperdave]

I think you should be looking at the Gen 3 cams... With a wide 114+ lobe seperation should run ok til you get it tuned.

[raceinjw]

You will have to tune...and install a converter if you want it to run correct ...just my two cents.