So I bought this 5 litre swapped 1984 hatchback this fall. Long story short I didn't know if it was flat tappet or hydraulic roller because it has the oldschool v belt setup on it, and is carbed with duraspark 2 ignition. And sure enough the firing order is the 351 variety and the pushrods are 6.2 give or take in length. What I dont understand is how I have what looks like a 70s truck engine with a carb and old v belt setup on it, that is a roller engine? It makes great power and hangs with...

Mystery roller 302