Posted by wore out on March 28, 2022 at 21:10:36 from (64.255.159.199):
In Reply to: Case 300 Spark Issue posted by jeszv on March 28, 2022 at 16:51:58:
[quote="jeszv"]
You are not the first to observe the phenomenon.
GOOGLE "antique spark intensifier". There were lots of outfits hawking them in the "old days"... spark gaps to overcome issues in the high-tension circuit to the sparkplugs.
Check your coil high-tension wire for continuity.
If wire core it should read near zero Ohms, if "carbon core" the reading should be in the 3000 Ohms to 7000 Ohms per foot range.
If the coil wire checks out OK look at the "carbon brush" in the center terminal of the distributor cap and the tips on the rotor itself.
If those parts are OK, likely the distributor cap and/or rotor are bleeding off the spark voltage.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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