Hey guys I have a 302 V8 small block in my 1969 Ford Mustang and I can’t tell if I have a bad lifter or what but right now their is a noise coming from my engine and I pulled my valve covers off and all my rocker arms are able to move side to side and my push rods spin but two of them are some what hard to wingle and the rods aren’t able to spin and take in fact that the ones that have trouble wiggling are next to each other, do any of you know what I should be looking for?