front of engine set up for 1969
Timing marks are on the passenger side, 69 and back.
Timing marks are on driver side, 70 up.
Water pump bottom hose on driver side in 69 & back.
Water pump bottom hose on passenger side on 70 up.
69 & back water pump is cast iron, smooth.
70 up water pump is ribbed and 3/4 inch taller than 69 & back
69 & back water pump shown in post 3.
Mixing parts is misery.