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Joined: Dec 2019
Posts: 14
Grease Monkey
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OP
Grease Monkey
Joined: Dec 2019
Posts: 14 |
Hi,
I have a 1925 with the 171 engine does the cam have any sort of washer at the back or just the one at the front? I have about an inch of backwards movement which cant be right.
1925 Chevrolet Superior K Tourer
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Joined: May 2002
Posts: 1,213
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: May 2002
Posts: 1,213 |
There should be a bronze thrust plate withe a single hole for the retaining screw that fits between the rear face of the cam gear hub,and the front of the 1st camshaft bearing journal.Normally the end float of the camshaft is only 0.003" - 0.005".If yours has about an inch of end float,the cam gear may be loose on its mounting spigot,and not the normal press fit of 0.001" - 0.002".
CJP'S 29
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Joined: Dec 2019
Posts: 14
Grease Monkey
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OP
Grease Monkey
Joined: Dec 2019
Posts: 14 |
thank you that movement was with the gear off , what happened is the engine was running ok but made a squeling noise and stopped when we checked the cam gear had come loose but not completly off so the bottom of the engine was moving but the top wasnt, and idea why the gear would come loose it was fitted not long ago (all I can think of is the woodruff key is worn) the gear is a metal one not the original and I have no idea how old etc.
1925 Chevrolet Superior K Tourer
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
If the gear cam of the shaft I suspect the shaft and gear are garage art at best. The next problem is to find why this happened and I would check the camshaft tunnel carefully.
Tony
1938 1/2 ton Hope to drive it before I retire
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