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03-13-2012, 01:02 PM | #1 |
Senior Member
Join Date: Jul 2010
Location: Olympia, WA
Posts: 691
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Driving me crazy
Hey Guys,
Ref. my old thread about clicking noise in or around my valve train. Thank's to ya-all, I've tried to eleminate all the variables regarding valve clearance. I have a B block so I can check the clearance with the side cover off. No's 2 and 3 valves down to .006 clearance..still clicking as before. Checked stems and guides (smooth and free) and spring (OK). The only thing I changed between when I test ran engine (no noise) was the exaust manifold (from an A to B to match B carb). I have cheapo gaskets on it. Runs great with lots of power and plugs are all grey. Took it out for about a 15 mile ride and ran great. Could I have a leak that would click?? If so, I'll swap out manifolds to check. A little HELP here! Thanks, Pete |
03-13-2012, 05:50 PM | #2 |
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Join Date: Jul 2010
Location: Olympia, WA
Posts: 691
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Re: Driving me crazy
Ed,
Haven't found any blowby around the gaskets so I sorta counted out exaust which is new. How about a metallic clicking noise from the intake? Haven't tried the WD-40 trick yet. A wooden dowel doesn't tell me a thing either. Checked valves with engine running so clearances don't seem a problem there. |
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03-13-2012, 08:14 PM | #3 |
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Join Date: Nov 2011
Location: B.C. Canada
Posts: 1,746
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Re: Driving me crazy
Peter J You say you changed EX man.to match B carb.I assume you meant that U changed the IN man to match the B carb.In that case,with the mismatched manifolds they may not be on the same plane.The manifolds should be resurfaced as a pair & use good metal-clad gaskets.
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03-13-2012, 08:23 PM | #4 |
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Join Date: Jun 2010
Location: Owosso, MI
Posts: 673
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Re: Driving me crazy
If you have a Harbor Freight near you, I have found their $4 mechanic's stethoscope handy for this sort of thing.
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1929 Model A Barn find. California car, just a few more parts to find. Interior, steering box (rebuild), and I am sure much more! |
03-13-2012, 11:18 PM | #5 |
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Join Date: Jul 2010
Location: Olympia, WA
Posts: 691
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Re: Driving me crazy
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Thanks for all the moral support and I'll let you know. Pete |
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