Thread: 305H cam degree help

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You could check the springs for coil bind....too much lift for the spring installed height, will bend pushrods and break springs, retainers, rocker arms, and or all of the above....

Were the pistons fly cut, or are you just referring to the stock valve reliefs???? Sounds like waaaaaay too much cam for the rest of your engine anyway.... With that much lift, should have checked piston to valve clearance with some clay on top of the pistons and crank the engine over by hand.....

A click is hard to define on here without hearing it, could be improver valve adjustment, valves hitting the piston, or other things..... Have the heads been milled???

took motor apart, you were right on. bent push rods and can see where valves were tapping pistons. time to start over wanting a 12 to 1, 383 with a nasty sounding idle.

They are flat top pistons and have valve reliefs on one side and lil half moon in the middle of piston, my buddy called them fly cut maybe hes wrong about this too.


Sorry guy im new to high perf and trying to learn, but everyone around here drives hondas and imports, and everyone else obviously donst know what they are doing