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0. 10:17 AM - Just 3 Days Left - Please Make Your List Contribution Today! (Matt Dralle)
1. 10:47 AM - timing issue (jpkarnes@comcast.net)
2. 04:14 PM - Re: timing issue (Larry McFarland)
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| Subject: | Just 3 Days Left - Please Make Your List Contribution Today! |
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Hi all,
I am trying to get my EA-81 running and am confused about how to correctly
set the timing.=C2- I have located two notches on the flywheel and wonder
if one or the other indicate TDC for piston #1.=C2-
John K.
Bremerton, WA
Message 2
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Hi John,
Remove the spark plugs, start at number 1 cylinder cast marked on the
top of the engine block and rotate the engine until you can see the
piston in a compression stroke. Both exhaust and intake valves will
be closed. I check the alignment of the distributor and the rotor as it
approaches number one distributor point. The mark on the flywheel should
be aligned with the top dead center position of the piston. Use a piece
of welding wire
to observe the actual top position of the piston. Not too hard to do so
far. The distributor is rotated to put 30 degrees in a direction which
ignites the fuel mixture ahead of the top dead center position. That
is, the ignition
has to fire the fuel at 30 degrees before piston reaches the top most
position. You can use a protractor or a digital level on the flywheel
or mark the flywheel to indicate the alignment and secure the
distributor.
A timing light can be used to proof and final adjust to 30 degrees when
it=99s running. Unlike aircraft engines, you can run the engine
for timing etc. without a propeller on it and be safer. Once done, this
is a good time
to remove the plugs and progressively adjust your valves at a .014 gap
while you=99re at it.
If the notches you refer to are opposite each other, only one will align
with TDC of the #1 piston. If they=99re near one another, pick
the one that aligns TDC and check the other for the 30 degree before-TDC
position.
Hope this helps,
Larry McFarland
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of
jpkarnes@comcast.net
Sent: Wednesday, November 28, 2012 12:47 PM
Subject: Stratus-List: timing issue
Hi all,
I am trying to get my EA-81 running and am confused about how to
correctly set the timing. I have located two notches on the flywheel
and wonder if one or the other indicate TDC for piston #1.
John K.
Bremerton, WA
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