Originally Posted by bunker

the cam is very big, at low RPM all the overlap will not cause the heat to build up that much as the dynamic compression still stays pretty low, I know its a lot of timing, I've had an 847 and it wouldn't even come close to 25 min where I would start seeing knock and hearing it, with this cam I found this is best, also note at low RPM below 3k or so the ECU does not add anymore, I'm pretty good at tunning and been doing it a long time now, I've got it scaled with the adding of the timing in mind with every 1000rpm over 3k, I found the best power is made at 33* of timing or so with this cam at WOT 7k RPM but down low it needs all the timing it can gets, its funny cuz with oversized cams your timing table looks completely opposite then a normal cam's timing table LOL you go from up to down with rpm instead of the other way around.