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08-28-2007, 11:16 AM | #1 |
Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,312
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G9 knock and no spark
These problems may be related but I don't see how. The no spark problem was the spark plug cap it was open and should have 1 K resistance. I replaced the cap and it tried to run but back fired some and just could not get any RPM's.
I pulled the valve cover ans saw the exhaust valve was not moving. I pulled the engine yesterday and couldn't find my clutch puller until this morning. I pulled the clutch and side plate and found the cam shaft broken in two pieces. I assembled this engine from two so I think an assembly dimension was too tight. I did not use a gasket on the side plate. I used aviation form-a-gasket which may be problem but I don't think so. I am trying to align the cam and balancer now but a lack of timing marks is causing another problem. Please give me your thoughts on this matter. |
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08-29-2007, 11:20 AM | #2 |
Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,052
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Re: G9 knock and no spark
I have never re-built a stock G9 engine, but there has got to be a way of
timing the cam shaft. |
Ron
PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project |
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08-29-2007, 07:13 PM | #3 |
Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,312
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Re: G9 knock and no spark
I read the book again and found answer to balancer and cam timing. The engine is together again. But why did the cam shaft break in half? I have run out of cam shafts and side plates!
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08-29-2007, 08:34 PM | #4 |
Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,052
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Re: G9 knock and no spark
Man, that's a good one, I don't know. Maybe someone else will jump in here.
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Ron
PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project |
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08-31-2007, 02:42 PM | #5 |
Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,312
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Re: G9 knock and no spark
I think I have the answer! This engine had thrown a rod due to .012 crank to rod bearing clearance and I think the cam was cracked at that time. It lasted a month or so.
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09-02-2007, 08:36 PM | #6 |
WILD
Join Date: May 2007
Location: lebanon county,pa
Posts: 1,266
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Re: G9 knock and no spark
or as what everbody says "big block it" if it dont run
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