anything with an intake lobe between 216-220... exhaust lobe with a 4* split (216/220 or 220/224 for ex) gives a little extra high rpm (peak power) without killing the bottom end. I'd do a 220/224 XER on a 112+4.... old aggressive lobe i know but proven.
04 Silverado Z-71 Extended Cab
Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4
06 2wd
custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch
Posting Permissions
Reply With Quote