You are probably right, I just haven't tuned any that big. The biggest I have tuned is the Mopar 292/292/108. At 11.3Scr, it was fairly easy. On that combo,I did quite a bit of experimenting. I tried 4 different carbs and 3 different intakes, and 3 different Ica's. It kept me busy for awhile. I finally cut a hole in the hood and gave her some fresh air.In the end it didn't fit my combo and driving style, so I pulled and sold it. Great cam! at WOT. Not so good in a streeter with a stick and 3.55s. She wanted a lot more rear gear and an overdrive. Smaller cam was waaay cheaper
