Its 50/50 I bought a protech log mani a while back and it didnt fit i had to shave the tab on the head and some of the valve cover to get it to fit, it also hit a certain spot in the hood. But i did manage to get it to fit after cutting. On the other hand i bought another non protech log mani and it fit without shaving the tab and didnt hit the block either, it did still hit the hood but that was an easy fix with a grinder. That was on the smallest on the 6262 u have the larger one. Also i have about an inch between radiator and turbo so u should be good there.