Originally Posted by neonman
This is what the timing marks look like on my 216 - It's in a 1937 truck.

So the line between the U and C is TDC? and the BB is 5 degrees BTDC?

I could do the math, but what is the V mark used for?
No idea on the V mark

Jim
Correct. No idea on the V mark

Last edited by sstock; 10/12/2019 7:41 PM.
1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration