MOROSO 63471 Water Neck Block-Off Plate For Chevy V8 Apps for 1983 Pontiac

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MOROSO 63471 Water Neck Block-Off Plate For Chevy V8 Apps for 1983 Pontiac
MOROSO 63471 Water Neck Block-Off Plate For Chevy V8 Apps for 1983 Pontiac_1
MOROSO 63471 Water Neck Block-Off Plate For Chevy V8 Apps for 1983 Pontiac_2
MOROSO

MOROSO 63471 Water Neck Block-Off Plate For Chevy V8 Apps

Part Number: 63471
Manufacturer: MOROSO
Description : Water Neck Block-Off Plate For Chevy V8 AppsKeeping your high-performance engine running cool at hig

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Sale Price: $18.99

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Description

Product Note:

Water Neck Block-Off Plate For Chevy V8 Apps

Keeping your high-performance engine running cool at higher speeds takes more than a good, clean radiator. In fact, operating your engine at higher RPMs for extended periods of time can actually hurt the cooling system’s efficiency. The reason lies with the speed of water as it travels through the engine.

As engine speed increases, so does water pump speed. The faster the engine, the faster water is pumped through the cooling passages of the block and head. At first, this may sound like a positive thing. And for drag racing applications where the runs are short, it is. However, for oval track racing and street performance applications, it’s not! Water needs to absorb heat as it travels through the engine. If traveling too fast, water cannot absorb heat and carry it to the radiator. Additionally, a water pump that “over-speeds” is prone to cavitation.

There are a few simple modifications that can be done to reduce water velocity. One is to change the crankshaft and/or water pump pulleys to obtain slower speeds and prevent water pump cavitation. The other is to install aluminum restrictor plates under the water outlet on the intake manifold. Both allow the coolant to absorb more heat so it can be carried to the radiator and released to the atmosphere.


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MOROSO 63471 Compatibility With 1983 Pontiac Bonneville BROUGHAM...

If this is not your vehicle, please change the vehicle above to confirm it will fit your application as well.

Year Make Model Trim EngineVehicle Fit Notes

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 

Pontiac

 

Bonneville

 

ALL

 
3.8L V6
 
Pontiac
Bonneville
ALL

3.8L V6
Submodel: BASE
w/ 90¡ V6 Chevy Motor
 

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 

Pontiac

 

Bonneville

 

ALL

 
3.8L V6
 
Pontiac
Bonneville
ALL

3.8L V6
Submodel: BROUGHAM
w/ 90¡ V6 Chevy Motor
 

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 

Pontiac

 

Bonneville

 

ALL

 
3.8L V6
 
Pontiac
Bonneville
ALL

3.8L V6
Submodel: LE
w/ 90¡ V6 Chevy Motor
 

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