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Jul 21st, 2025 | | | | Joined: Jul 2011 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2011 Posts: 55 | Hello,
I am looking for the timing mark on a 1937 216 motor. I believe I have found the window with the pointer in it and have spun the flywheel around and around. I have not seen a steel ball or arrow or even a line.
Would someone be willing to take a picture of the mark lined up or in the window so that I can see the what and where of this mark?
Any advice would be greatly appreciated.
Eric
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | The best way is to get under the truck & remove the flyweel cover. Turn the engine till you find the marks. Clean the area around it & paint a white line on it. Then it will be real obvious when it passes the hole.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | The ball is only the size of a BB so it's easy to miss if you've not seen it before.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Mar 2011 Posts: 936 'Bolter | | 'Bolter Joined: Mar 2011 Posts: 936 | To find TDC watch the #6 hole valves as you turn the engine (by hand, using the fan- belt, plugs out). When #6 intake rocker pushes down, start slowing down and paying close attention. When it starts coming back up, and the #6 Exhaust rocker just starts pushing down, #6 is in valve over-lap. Since #6 is the sympathetic cylinder to #1, #1 is about to fire. Go very slow, and watch for the TDC mark on the flywheel.
(Firing order, 1-5-3-6-2-4: When #1 is about to fire, #6 is in overlap; When #5 is about to fire, #2 is about to fire; and when #3 is about to fire, #4 is in overlap)
Once you find the bb and put some White Out on it. Then look for the triangle and put a ^ mark on it. I also marked the needle with a blue grease pen so I wasn't straining to see both.
Its easy to cruise past it if you're using a hand crank or wrench on the crank pulley. It takes forever if you use the fan. We used the hand crank while watching the valves and as we got close, we'd switch to the fan. | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | ...DG photo... ...painted ball. My pic... ...video... DG photo is a 216 My photo is 235 Both trucks are 1950. Not your year truck but should give you an idea what to look for
Last edited by DADS50; 10/21/2011 12:49 PM.
| | | | | Joined: Jul 2011 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2011 Posts: 55 | Thanks for the help. I really appreciate it. | | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | May I also mention the BB is quite small | | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | An FYI, you don't need to find TDC just to locate the ball. It goes around every time the engine turns. I pulled the plugs and used the fan to turn the engine, finding it in no time. A wipe with a thinner rag and a dollop of white paint, problem solved.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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