"Wayne:
The timing per SELO
"Wayne:
The timing per SELOC is 8 deg. BTDC and the timing is checked with the inductive light connector attached to #1 spark plug wire. No wires are grounded if you have a carb. engine.
The idle is 650-700 RPMs under load, plugs are AC MR44T, gap is 0.035".
Timing won't adjust:
Perform "Tests for Thunderbolt Ignition"
W/ignition key on AND BILGE WELL VENTILATED OF GAS FUMES!!!
#1 - Connect your voltmeter neg. lead to the engine ground and pos. lead to the white/red wire terminal at the dist. It should read 12 volts.
#2 - If 12 volts is present, remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. Remove the white/green lead from the dist. terminal. Turn the ign. key to on and strike the white/green lead to ground. If there is spark, replace the ignition sensor in the dist.
#3 - If there is no spark, substitute a new coil and repeat test #2. Now if you get spark, install a new coil. NO SPARK, replace ign. amp.
#4 - In #2, if there is No voltage present, disconnect the white/red wire and check it again for 12 volts. If 12 volts is present, replace the ignition sensor inside the dist. cap. If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced"