FLYaDIVE(at)aol.com
Guest
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 Posted: Tue Sep 12, 2006 4:23 am Post subject: Magneto question |
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In a message dated 9/12/06 12:31:18 AM Eastern Daylight Time,
wgill10(at)comcast.net writes:
| Quote: | Hi:
Thanks to all that wrote, with suggestions, on my mail, about rough
engine..
Getting the time on Mgs., and cleaning and regaping plugs, worked..
Engine running much better now..
BUT,,,,NOW I GET OVER 170 RPMS, BETWEEN MAGS, IT SHOULD BE NOT OVER
150....eng. lycoming 0320E2D..150 HP. Difference between each is
ok...50...
ON THIS NO IDEA, WHAT IS TO BE DONE .....
SUGGESTIONS APRECIATED... CHUCK WHAT SAY YOU//
THANKS
BERT
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Bert:
A bit difficult to decipher the problem.
The requirement is 150 RPM drop for EACH Mag and a 50 RPM drop between BOTH
Mags.
Now, the problem sounds like TIMING. Have you set the timing to 25 D BTDC?
You did say you cleaned and gaped the plugs. Did you also check the spring
on the spark plug wires? They should be clean and making good contact BEFORE
the holding nut is tightened down.
What plugs are you using?
What Gap did you set?
If your timing is off you can get quite a bit of lead fouling.
Also LEAN ... LEAN ... LEAN. On the Ground and in the Air.
There are lots more things to check but first start with the basics.
Barry
"Chop'd Liver"
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