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Old 10-30-2010 | 03:36 PM
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grbaker
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Joined: Dec 2001
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From: La Porte TX
Default RE: 3W-60 ignition question

Well, there may be hope for me after all. After a full night of sleep I went back out and pulled the engine from the airframe and built a little engine stand for it. I hooked my timing light and installed the degree wheel to recheck the timing. With the timing set at 27 degree BTDC, the engine will only start in reverse rotation (clockwise) every time.

I was starting to have some issues starting it, so I pulled the plug out to check the spark and noticed that the plug would fire 2 out of 3 rotations, but the timing light fired every time. Guess I need a spark plug cap. So I installed the old ignition and moved the pickup sensor back to the stock location. Now it starts easy every time with the timing set at about 10 degree BTDC. If I kill it and let is sit for 10 minutes or so, it starts on the first flip every time. If I wait 30 minutes it takes 2 flips.

I'll test it a few more times tomorrow and if it still runs as well as it does now, I will re-install it in the P-39. I ordered a couple of plug caps, so I will replace the one on the new ignition and use it as a backup.

Thanks for everyones help. If I start having problems again and need send it out, I will surely contact Ralph!