biggest cam?
#14
#18
black gmc. truck sounds amazing. how well does it run.lol and y the choice of small duration. what the benfits of ur choose over like a 226/236 i am not sure what the diff is just tryin 2 find. thanx again
#19
Duration does affect PTV clearance...think about it, the longer that you hold that valve open while the piston is coming up the more chance you have of contact...



It is idling at 850 in that vid... If you lower it, it really starts to chop 
