Big Block Chevy Water Pump Bypass Hose

The water flows around the cylinders and also up into the cylinder heads.

Big block chevy water pump bypass hose. Short style pumps were used in passenger cars through 1968 and in corvettes through 1974 while light duty trucks had them until 1972. Is that hose necessary. Long style pumps were all standard rotation until 1988 when the serpentine drive belts were introduced. Another reason i d like to plug them is the angles from the water pump port and the intake port are off a bit so the hose would.

From the cylinder heads it travels into the intake manifold where it is blocked by the thermostat until it opens. Until that happens water is able to travel through the bypass hose back into the suction area of. You have a number of options that run the gamut from. So help me understand why a bbc needs this.

On some engines such as classic chevy small blocks the bypass is internal. Bbc water pump by pass hose needed. Although most small block chevys have internal water pump bypass passages the big blocks do not so in theory an external bypass hose is required. 08 13 05 09 50 am post 756901 in response to r66ss i just noted that in the bill mitchell catalog all of their bbc motors which they claim are pump gas street strip have no provision for a water pump bypass hose.

Buy 1965 1974 corvette water pump bypass hose 396 427 w gm. Serpentine belts rotate the water pump in a counter clockwise direction so the. On others such as your big block chevy the bypass is external. Big block chevy coolant bypass hose delete.

Pontiac 400 455 v8 water pump modification tip video v8tv routy 69 firebird duration. Big block chevy water pump bypass hose option duration. According to how stuff works the water goes from the water pump to the top of the engine and is curculated. Im building a bbc and i have a question about the ugly little bypass hose that goes from the thermostat housing to the water pump.

The water pump is always pushing water into the front of the engine block at the lower part of the cylinders. Big block chevy water pumps were produced in two lengths short and long. In a small block there is a passage for the water in the mounting points bbc s don t have this hence the bypass hose to circulate the coolant before the thermostat opens. It would look so much better if i could just plug the holes instead.