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Discussion Topic:
Removal of camshaft with fiber gear 1937 21 Stud
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BIRUDY |
09-27-2025 @ 1:20 PM
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Member
Posts: 60
Joined: Jun 2022
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Much appreciated the advice from last post, which led me though the process to now attempt to remove my camshaft.
The is still in the car but the grill and rad are removed for easy access.
I have removed all the lifters.
The fuel pump rod has been removed and see nothing in that hole except what I believe is cam,
How do I pull the cam out?
I feel I only need to pull cam forward enough to rotate it and align the timing marks correctly.
I am unsure/reluctant about prying on the " press fit fiber cam gear."
From information I have researched on replacement fiber gears .. the reviews are not really positive.
Any and all advice is greatly appreciated..
I know they say, and I tell my grandchildren " patience is a virtue"..
I have had my 35 Coupe for over 3 years I would like to be able to drive it.
Thanks, Rudy
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carcrazy |
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09-27-2025 @ 2:10 PM
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Senior
Posts: 1979
Joined: Oct 2009
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After the valves and lifters have been removed from the engine, insert a screwdriver behind the camshaft gear to start the camshaft moving forward.
The above is a quote from the Motor's Auto Repair Manual.
At this point, you should be able to grab onto the camshaft gear with your hands to simply rotate it slightly to allow it to move relative to the crank gear and pull the camshaft out of the engine.
When pulling the camshaft out, use great care not to allow the cam lobes to damage the camshaft bearings as the shaft is being withdrawn.
This message was edited by carcrazy on 9-27-25 @ 6:38 PM
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BIRUDY |
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09-27-2025 @ 8:01 PM
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Member
Posts: 60
Joined: Jun 2022
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Thanks.. will use my gentlest and careful hands to make it happen..
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kubes40 |
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09-28-2025 @ 8:07 AM
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Senior
Posts: 3577
Joined: Oct 2009
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Old stock fiber gears are great. The modern reproductions I would not allow near my engines.
I had one blow apart a number of years ago (five?) and took the freshly rebuilt engine out with it.
Mike "Kube" Kubarth
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BIRUDY |
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09-29-2025 @ 5:54 AM
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Member
Posts: 60
Joined: Jun 2022
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Thanks, hopefully will not damage it when removing the camshaft.
I am able to gently move camshaft forward about 1/2" at this time and no more.
Is there a bolt on the back of the camshaft that is connected to the oil pump drive gears?
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zeke3 |
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09-30-2025 @ 11:52 AM
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New Member
Posts: 101
Joined: Apr 2011
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I have only dismantled one Flathead in my life, a 1937 21 stud engine, and had the same experience pulling the camshaft as you are having. I could get the cam out about 1/2” and would then hear a pretty solid clunk, like something was preventing it from going further. The oil pump was already out of the engine, so I then removed the idler gear and cover on the back of the engine, but that did not improve anything that I could tell. I ended up hammering with a drift pin on the back of the cam enough to move it forward. I never determined what was preventing it from moving forward, unless it was the fit with the front cam bearing.
I realize your engine may still be in the chassis and you may not have access to the idler cover. I did not try prying mine out with screw drivers as suggested above. I don’t think the oil pump idler gear is preventing it from moving forward. Good luck with your project.
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52flatv8 |
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09-30-2025 @ 1:40 PM
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Member
Posts: 22
Joined: Feb 2025
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BIRUDY, try posting this on The Ford Barn too, might get info there too. Good luck with your project.
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BIRUDY |
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09-30-2025 @ 3:55 PM
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Member
Posts: 60
Joined: Jun 2022
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Thanks and will persevere and probably remove the engine.
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BIRUDY |
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09-30-2025 @ 3:56 PM
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Member
Posts: 60
Joined: Jun 2022
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Thanks , will do
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