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Pressure vs
volume |
| Pressure is created by the resistance to
flow. For example, the water flowing out of a garden hose has relative
low pressure, but when you put your finger over the end of the hose,
restricting that flow, the pressure within the hose increases and you
see the result by increasing the distance the water travels as it
leaves the hose. The resistance to oil flow Inside an engine is
from the clearances of the bearing and lifter bore. Engines with
increased clearances will require greater flow to maintain the same
pressure. As the RPM of the engine increases more oil is required.
The oil pump selected should be able to flow the volume of oil
required to maintain the pressure desired. A relief spring within
the pump relieves the pressure when it reaches the desired level.
High pressure pumps have a higher pressure relief spring as also
do most high volume pumps. The main disadvantage of using a pump
with the ability to flow more than required by the engine resulting
in this bypass opening is a very small loss of horsepower. |
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Springs |
| The bypass spring in a oil pump controls
the pressure at which oil is fed to your engine.
A higher pressure springs forces more oil through
the engine while a lower pressure spring allows for
more oil to be recycled within the pump. The
pressure range given are approximate and may vary
depending on other factors within your particular
engine. |
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OIL
PUMP MOUNTING STUD
SMALL & BIG BLOCK CHEVY |
#22-000 This oil pump Mounting Stud
can be permanently secured in the main cap then the pump can be repeatedly
replaced without fear of damage to main cap threads. Made from Chromoly steel
and comes with a locking nut and washer. Socket head for easy
installation. |
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CHEVY
OIL PUMP DRIVE SHAFTS |
Our Oil Pump drive shafts are made from
high grade steel and are designed to replace the stock shafts. These units
feature a pinned steel sleeve to maintain correct alignment. These sleeves
are far superior to the brittle plastic sleeves on stock shafts.
#21-200 SBC Oil Pump Drive Shaft.
#21-210 SBC with BBC (5 bolt) oil pump
conversion oil pump Drive Shaft.
#21-250 BBC Oil Pump Drive Shaft. |
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CHEVY
WELDED PUMP & PICKUP ASSEMBLIES |
Chevy press in style pickups can come
loose under hard racing conditions with high RPM engines. To ensure that
this doesn’t happen Canton highly recommends welding all press-in pickups.
Canton will assemble, preset the pickup depth, and tack weld the pickup
tube to the oil pump on any Small or Big Block Chevy Oil Pump purchased
from Canton.
#20-750 is for assembly labor only and does not include the
pump or pickup.
No returns on welded pumps and pickups. |
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FORD
OIL PUMP DRIVE SHAFTS |
Our Oil Pump shafts are made from
Chromoly steel and are designed to replace the stock shafts. These units
are larger in diameter to withstand the greater loads placed on them by
the high volume oil pump used in high RPM race conditions.
#21-300 302 Oil Pump Drive Shaft.
#21-302 351w Oil Pump Drive Shaft.
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