So I was looking at some for sale threads over on corral and stumbled upon some cams for sale. They are a custom grind, but the seller says they're similar to the 270ah cams. I just want to know if I will have any issues with ptv clearance if I buy them. Here are the specs: Cam spects. Int. exh Adv dur. 273. 273 [email protected] .50. 236. 238 Lobe sep. 112 What do you guys think?