On the left is a right hand inlet water pump for the 221260289302 prior to 1970. Here are two examples of small block ford water pumps.
Heater Hoses Gary S Garagemahal The Bullnose Bible
Ford 302 coolant flow diagram. I dont know if there is a diagram by some chance. 50 coolant flow direction 50l tech. This may seem dumb but i have a 91 50 in a classic. Any thing would help thank you. Windsor lubrication diagram windsor coolant flow diagram. The water flow on all small block fords is the same.
In the water pump through the lower hose. A partly blocked heater core that does not allow for good coolant flow or the hotcold blend door isnt fully openingclosing. Now you know why its so important to install the head gaskets with the front markings to the front even though one of them will be installed with the front marking upside down. Cooling system diagram post by brown1986 tue may 01 2012 1121 pm can any one help me out with the cooling system on my 94 302 not getting hot just looks like some one bybassed some of it some way. Starting at the water pump coolant is drawnpushed into the pump from the lower radiator hose. Just bought the truck.
When youre planning an engine build plan for improved coolant flow via a high flow water pump. At the back of the block the water flows through 2 big holes up into the head then the water flows forward through the heads. Factory ford shop manuals are available from helm publications 1 800 782 4356 5 coolant flow diagram. Im using the 91 serpentine belt system so the water pump turns counter clockwise. On a non ac truck the blend door is cable operated off the temp selector lever and is located under the hood on the top side of the heater box. Through the block with trace amounts going to the head through the holes through the head gasket.
If a heater circuit is not used then the heater supply must be connected to the heater return to allow air to be purged from the right hand cylinder head and provide sufficient coolant flow through the right hand cylinder head. Coolant flow path it is important to understand how the coolant flows through the system from one component to the next. Need to make sure the watercoolant passages are kept open at the rear of the block to ensure the flow. These descriptions are directed to v 8 engines in particular but basic commonality applies to the 6 cylinder engines also.
Gallery of Ford 302 Coolant Flow Diagram
