Fan Belt Speed (pulley ratios)

[Tom Wesenberg]

Originally Posted by Synchro909

What am I missing? Why is there a hose bypassing the engine? I can see why there might be a hose coming from the inlet at the side of the block like that to a point towards the rear of the engine but bypassing it altogether?

I have a thermostat and this helps for quick even heating of the block. It's temporary and will be the inlet and outlet for my heater core.