https://www.summitracing.com/parts/c...07-3/overview/ That is the CAM i'm currently running. Its in 86 K10 4x4, its a 454BBC with MSD Distributor/Cap, 750CFM Edelbrock Carb, New Timing chain, Valve spings, ect. Having trouble with timing a little bit, as well curious bout how much power it should have at this time. Its sadly only got 3.43s in rear non posi. Wanting to put New Heads and Rockers on it as well as 3.73 posi. Timing seems to be off a bit, Id like to pull distributor out make sure its not a tooth off, but not sure best way to do it? Make sure 1st Cyc top after removing distrib or... And will going from an 8" Rim to a 10" make a difference with traction. Trying to learn, can read all day on random pages. But something real time interaction(at least as up real time can get on a site) with people who've been through a bit, helps a bit more.