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RHD · 05-16-2011, 06:56 PM

It sounds as though the cam plunger spring tension is not sufficient. The cam should not move back and forward no matter how cold the engine is. I know this spring has to be quite strong to do it's job. I wouldn't modify anything. Model 'A's were perfect just the way they were made.

05-16-2011, 06:56 PM	#2
RHD Senior Member Join Date: Jan 2011 Location: New Zealand Posts: 670	Re: Camshaft Thrusting Knock It sounds as though the cam plunger spring tension is not sufficient. The cam should not move back and forward no matter how cold the engine is. I know this spring has to be quite strong to do it's job. I wouldn't modify anything. Model 'A's were perfect just the way they were made. __________________ R.H.D. Author of Model 'A' Ford technical manuals. Supplier of good original RHD parts.