[motor_mischief_and_fire]

Im trying to get this old rv running, and i beleive its having ignition issues. I know its getting good gas, ive replaced the pump and lines, running a brand new carb, ibe replaced the coil, wires, and plugs, and found that someone had the distributer backwards, fireing order is correct but it just wont go. How can i find top dead centwr and time this thing when i cant get to the timing marks

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