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B18 timing 120-130

posted by  Grasshopper on  Sun Sep 11 14:08 CST 2005
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last visit: Sun Nov 25 22:23 CST 2012
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I need some advice in regard to a B18. I just purchased a Crane XR700 electronic ignition and I'm confused on a timing issue. When I rotate the motor with a wrench as I approach 20 degrees BTDC the exhaust valve begins opening opening again. During the next rotations as I approach the timing marks again as least one of the valves is completely open. I would think that both valves should be completely shut during one of those rotations as the marks approach TDC. The rotor isn't lining up #1 as the reach these marks either. Being the worrying type, I've been thinking someone didn't properly align the timing gears when assembling the motor, but with only 40,000 miles I don't think the motor has been apart.

Any ideas.

Thanking you in advance,

Marc






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New B18 timing [120-130]
posted by  Grasshopper  on Sun Sep 11 14:08 CST 2005 >


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