Another measurement, please?

Here's some more input:
First, it depends upon where you measure. If you look at the front of the engine block, you will see that it is machined about 1/8" deeper on the passenger side, from crank pulley up to cam sprocket. If you measure chain on driver's side, by cam sprocket, you will measure 1/8" greater than if you measure on passenger side.

Measurements on my 360 motor, with double roller chain, are as follows:
passenger side: 1 1/4" to front of chain, and 3/8" to inside of chain
driver side: 1 3/8" to front of chain, and 1/2" to inside of chain.

Remember, listen to the MELVINS.