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| | | | Joined: Dec 2017 Posts: 1,652 'Bolter | | 'Bolter Joined: Dec 2017 Posts: 1,652 | Wolfgang, I cant tell from your description whether the cam wont move at all or it gets stopped by the screws. I also can't tell from your photo but are those bolts you are using to hold the cam thrust plate to the block instead of screws? It should be held in place with a pair of pan head phillips screws and internal star washers. Also, you are using the thrust plate and the spacer ring correct? So if you are using bolts and the cam gear is catching the bolts, switch over to the pan head screws. If you are using the correct screws, and the thrust plate and spacer, I wonder if you installed the rear cam plug in too deeply and when you are tightening the thrust plate, it is causing the rear cam journal to compress against the rear cam plug?
Mike
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Do you have the plug at the rear of the cam in? That plug is very shallow because the camshaft comes close to it.Some vendors sell a plug that is much too deep. If one of those was installed, the camshaft would bind on it. | | | | | Joined: Jul 2007 Posts: 444 Shop Shark | | Shop Shark Joined: Jul 2007 Posts: 444 | Camshaft Thrust Bearing Screws are available from Chevy of the 40's for $1.50 . https://s26.postimg.cc/t26503vmh/Chevy_Parts_Camshaft_Thrust_Bearing_SCREWS.jpgCamshaft Bearing Hole Plug Early Models Chev. 1937 to 1954 - ( with small journal camshaft ) GM # 0.553 - GM # 838127 - Diameter 2 " inches GM # 838127 is available GM NOS @ Collectors Auto Blaine, WA. phone: 800 - 414 - 4462 Collectors Auto has ( 3 ) in stock 1954 / '55 / '56 / '57 Chev. 6 cyl. ( with large journal camshaft ) GM # 0.553 - GM # 3704158 - Diameter 2 & 1/8 " inches X 1/4" thick https://s26.postimg.cc/8jfu8jeq1/Camshaft_Bearing_Hole_Plug_GM_NOS.jpgThe Plug is available GM NOS @ Friesen Chevrolet Sutton, Nebraska phone: 402 - 773 - 5538 Friesen has ( 51 ) plugs in stock & Dan's GM Obsolete Chinook, Montana phone: 406 - 357 - 2615 Dan's has ( 23 ) plugs in stock George '54 3600
Last edited by '54 3600; 05/18/2018 1:17 AM. Reason: add
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I have installed that plug a few times lately. The early plug is actually 1 31/32" in diameter and the depth is around 3/16". | | |
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