I have a buddy, whose low-mile '80 L-48 wiped-out a lobe on the OEM cam last year, so while it was being repaired, he added vortec heads & an RPM Air Gap intake from SDP, headers, Holley 670 cfm Street Avenger carb, and a CompCams 270H (after the initial choice, an XE268, wiped-out IT'S lobes on...