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Fire mark on flywheel
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Craig Reavley View Drop Down
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Joined: 16 Sep 2009
Location: Illinois
Points: 41 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Craig Reavley Quote  Post ReplyReply Direct Link To This Post Topic: Fire mark on flywheel
    Posted: 15 Jun 2010 at 9:08am
If the FIRE mark is in the center of the round hole on the flywheel on a C does that mean that #1 cylinder is top dead center, or can it be off 180 degrees????For some reason I cant remeber. I guess 40 years old, and 25 projects on my mind is taking its toll.
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countryguy828 View Drop Down
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Joined: 11 Sep 2009
Location: Arcanum, Ohio
Points: 129 		Post Options Post Options   Thanks (0) Thanks(0)   Quote countryguy828 Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2010 at 9:13am
#1 would be at TDC but it may be ready to fire on #4, I look at the valves to see if both are closed on #1 or #4 to tell the difference. I am sure someone else will have a better description
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Ted in NE-OH View Drop Down
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Joined: 12 Nov 2009
Location: Austinburg OH
Points: 1703 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ted in NE-OH Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2010 at 9:24am
Fire is NOT top dead center, it is advanced where it fires when running..
CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914
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CTuckerNWIL View Drop Down
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Joined: 11 Sep 2009
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Points: 22823 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2010 at 9:39am
TDC is top dead center. The fire mark is before top dead center. And you have to either look at the valve train or use the thumb in the number one hole to tell which cylinder is coming up on compression in order to tell if number 1 is getting ready to fire.
http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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