Due to the longer production run, long water pumps hold the distinction of having more accessory brackets, pulleys, and other hardware available for them, but obviously the short pump will save you roughly 1-3/8-inches (1.375-inch) of room , which in a cramped hot rod engine bay might be just what you need to have your ...
How do I know if my water pump is short or long?
If you can fit your hand between the water pump and the block , it is a long style water pump.
Are short and long water pumps interchangeable?
While both types of pumps will bolt-on, that doesn't mean that both will work. The type of pump you use will affect the alignment of the belts and pulleys, and could cause clearance issues with the cooling fan and radiator.
What is a long water pump?
Starting in 1969 GM moved to the long water pump for cars and 1973 for light trucks. The long water pump appears similar in design to the short water pump, however, it has longer cast “legs” that move the main body of the pump away from the engine .
Will a 350 water pump fit a 454?
The 350 is not . It is internally balanced, so do not attempt to interchange the flywheel/flexplate between these engines. How complete is your 454? The alternator, and PS pump use different brackets/braces.
How do I know if my water pump is reverse rotation?
Water pump pulleys running on the INSIDE surface of the belt indicate a STANDARD ROTATION water pump. Water pump pulleys running on the OUTSIDE surface of the belt indicate a REVERSE ROTATION water pump.
How much HP does an electric water pump add?
Meziere says, “We can usually show gains from seven to 14 horsepower at 6,500 rpm .” Some OEM-style mechanical water pumps may also not hold up to the high-RPM use often associated with high performance and drag racing engines.
Which way should a water pump turn?
Rotation is indicated on the head of the pump, you'll see an arrow going counter-clockwise . This is the direction you want the pump spinning. If you turn the motor around and look at the backside and remove the cap, you'll see a shaft located in the center.
Can a car water pump run backwards?
If the motor and pump are running backwards, the pump can often still move water , and the water will flow the normal direction through the pump. ... When an impeller is running backward, the centrifugal forces will still accelerate the water—although far less efficiently.
Are high flow water pumps worth it?
A high flow, or high volume water pump will help increase flow , helping to move coolant faster. ... “Higher pressure in particular raises the boiling point of the fluid, thus decreasing the likelihood of vapor forming in the coolant. This results in better cooling, rounder cylinders, cooler valves, etc.
Which way does water flow in small block Chevy?
Small block chevrolet, not including 400 ci., takes water from the bottom or radiator into the waterpump and is pumped into the front of the block and around the cylinders were it can migrate under pressure through the holes in the head gasket and head and then travels along to collect at the front of each cylinder ...
How does a Chevy water pump work?
- Overheating. A dead or dying water pump cannot circulate coolant through your vehicle's engine and, as such, the engine will overheat. ...
- Coolant Leaks. Coolant leaks from the water pump are common and a clear sign that it's time to replace the pump. ...
- Corroded Water Pump. ...
- Whining Noises.
How do you change a water pump on a Chevy small block?
The range is approximately two to three hours depending on whether your vehicle has power steering and/or air conditioning. It is economical to replace the pump on a mobile basis and you can obtain a repair quote for mobile replacement by referring to YourMechanic's water pump replacement service page.
What will happen if pump rotation direction is reversed?
If rotation is backwards, the impeller and acorn nut can spin off in just a few seconds , causing damage to the pump's components such as the bearings or seals. This could completely destroy your centrifugal pump if undetected.
What is reverse rotation?
Reverse Rotation Turbochargers: A Unique Performance Configuration For Single and Twin Turbo Applications . ... From a front view, the compressor wheel rotates counterclockwise and the air exits the compressor housing from the left side.
How do you tell if a motor is clockwise or counterclockwise?
You can determine shaft end perspective by simply holding your motor up in front of you and pointing the shaft at you. If the shaft is pointing at you and rotates to the right, your motor is clockwise shaft end, or CWSE. If the shaft rotates to the left, your motor is counterclockwise shaft end, or CCWSE.
