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Mod | | | Forums66 Topics128,070 Posts1,055,892 Members48,428 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I was putting my 1940 216 together on the stand and I wanted to set the valve clearance. Of course I didn't have the flywheel on so I used the position of the lifters to deduce the proper spot for TDC. I noticed that there is a hole in my balancer just inboard of the pulley and it was at the very bottom at the time. I am wondering if that hole is there for reference. | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | If that is in the face, that where material was removed to balance the balancer. Here is one on eBay with two holes.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I guess I am just lucky but now I have a handy reference. When I put the flywheel on, I found out I had it half way between the triangle and the ball. | | | | | Joined: Dec 2008 Posts: 1,922 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 1,922 | If you can't see any timing marks, using tappet motion isn't as easy as it looks - both valve are closed for a long time in these engines.
To help: the cylinders run in pairs. When one of each pair is @ TDC on compression (with both valves fully closed), its partner is @ TDC on overlap and has its valves moving in opposite directions. Pairs are separated by 3 places in the firing order (1 5 3 6 2 4).
Pairs are 1 & 6, 5 & 2, 3 & 4
Last edited by panic; 04/02/2016 8:41 PM.
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