Yes indeed special tools need to remove the gas gauge. Two tools available. Your choice of sellers online. Do not repeat do not try and use anything other than the special tools (two each) one to hold outer nut, one to hold inner star shaped gauge. View Richpins video on Youtube on how to...
Remember point gap first (.018 - .020) then timing. Use wide blade screwdriver for cam screw. Buy the Nu-Rex tool and as above view YouTube. Jack Bahm has great instructionals. Very helpful. Do a seach.
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