Sat Oct 05, 2013 6:07 pm
I understand a coil will build up heat. How hot? Hot enough to burn your hand? Second question: will firing order be 180 degrees out of time if plugs were wired with incorrect thinking that #1 was at rear of engine and then following correct order of 1-3-4-2?? Cub would start fairly easy but low power. I am assuming 180 degrees out of time would be a cause of low power? Thanks
Sat Oct 05, 2013 6:29 pm
KyCub54 wrote:I understand a coil will build up heat. How hot? Hot enough to burn your hand?
Warm but not enough to burn your hand.
Second question: will firing order be 180 degrees out of time if plugs were wired with incorrect thinking that #1 was at rear of engine and then following correct order of 1-3-4-2??
Yes out of time. Cylinders are numbered from the front of the engine to rear, 1, 2,3,4.
Cub would start fairly easy but low power. I am assuming 180 degrees out of time would be a cause of low power?
Cause no power as in engine will not run.
Sun Oct 06, 2013 8:22 pm
Got it wired correctly, starts immediately and runs smoothly !!
Sun Oct 06, 2013 8:26 pm
And the problem was?
Sun Oct 06, 2013 8:40 pm
Sorry, I found the plugs had been wired back to front (#1 at the rear) with #1 on the distributor in the #4 spot. I changed the wires around like they should be. Didn't think it would run the other way but it did, just not very much power. I also found loose connecter on coil tower wire and fixed that. Guess that was the "hot coil" problem. You could not keep your hand on it. Now it's just pleasantly warm.
Mon Oct 07, 2013 11:55 am
If the distributor was timed for #1-Front, and it was wired for #1-Rear, then the engine simply would not run, period. Not physically possible. The pistons would be at the top of the exhaust stroke when the spark plugs fired. No compression. No bang. No run.
You can time the distributor for #1-Rear, wire it for #1-Rear, and it will run just fine, with full power. That's a neat feature of inline engines. Confuses the heck out of the next guy to own it, though.
It's possible you had #2 and #3 correct, and just #1 and #4 swapped? It would run, but be low on power. Also it would sound funny.
Mon Oct 07, 2013 6:40 pm
It's very possible just two wires were swapped. When I saw #1 in the wrong position I just pulled them all and put them in the right position. I'm just glad I didn't have to get into pulling the distributor and all that. Tomorrow I am going to check the timing. It starts so easy I can't see it being a problem though.
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