radiator caps
How much does the pressure raise the boiling point? Well, it’s about 2-3 degrees for every psi increase,that we increase the pressure of the system. Therefore, by using a 16 -17 psi rated cap we make the average boiling point of a stock cooling system somewhere closer to around 257-260 degrees.
Common Overheating Problems
1. Radiators - Older copper and aluminum radiators tend to get clogged, restricting the flow of coolant.
2. Thermostats - Either installed improperly or sticking closed.
3. Water pumps - Failure to replace older or failing pumps or install a new pump properly.
4. Heater core leaking - A common problem.
5. Coolant leaks from either hose connections or from the cylinder head due to overheating.
6. Bad radiator hoses or belts.
Cooling systems are often neglected. If coolant isn’t changed, the coolant passages can experience buildup of scale and sludge and coolant won’t flow rapidly enough to cool the engine.
Coolant should be changed at least every two years or 30,000 miles or it will lose its effectiveness, and the mixture of antifreeze and water should always be 50/50. A mixture with more than 50 percent antifreeze will cause the coolant to not perform properly, and with less than 50 percent, the engine can freeze and crack. Also, the system needs to be flushed when the coolant is changed.
Oil must also be changed regularly too. Old, dirty oil won’t flow as quickly and will hamper cooling., many guys don,t understand that a larger capacity baffled oil pan in the 7-8 quart range and an oil or transmission fluid cooler have a pronounced effect on the cooling systems ability to dissipate heat, as the higher oil flow rates, also tend to dissipate heat and take some of the heat burden off the cooling system
The radiator cap is often overlooked in common engine overheating problems. It is designed to add pressure to the cooling system and increase the boiling point like grandma s pressure cooker. A faulty radiator cap can cause your car to boil-over at a lower temperature but is an easy and inexpensive D-I-Y repair.
READ THESE
http://www.tuneruniversity.com/blog/201 ... iator-cap/
http://www.arrowheadradiator.com/overhe ... _cures.htm
viewtopic.php?f=57&t=149
viewtopic.php?f=57&t=176
http://www.cjponyparts.com/lower-radiat ... 3/p/HW769/
From http://www.absoluteradiator.com
It has become popular to install high pressure radiator caps in an attempt to lower cooling system temps. While some makes and models come from the factory with and are designed for high pressure caps, raising your radiator cap's pressure above factory specs increases your cooling system's maximum operating pressure above design parameters. While raising your cooling system's maximum operating pressure does raise your cooling system's boiling point and therefore helps to avoid boil-over, it does not lower your operating temperature prior to boil-over, and simply allows your engine to continue to operate at temperatures higher than it is engineered for. Water boils at 212 degrees, and for each pound you raise the system pressure it raises the boiling point 3 degrees - Example: The 1.1 bar (16 pound) cap will have a boiling point of 260 degrees. Operating your engine at higher than acceptable temperatures can destroy your engine. We wish to point out some considerations that should be taken into account before an individual chooses this approach.
There are several possible reasons that you might be experiencing higher than normal cooling system temperatures:
An engine malfunction or cooling system problem - increasing your cooling system pressure will not correct this problem and will quite possibly add to the problem. We recommend correcting the problem instead of using a higher pressure cap.
Engine or body modifications have altered the performance of the cooling system or air flow through the radiator. Again, we recommend correcting the problem instead of using a higher pressure cap.
Engine modifications have increased the HP of the engine - creating more HP means creating more heat. We recommend increasing the heat dissipation capabilities of your cooling system to match the increase in heat generation. The best way to do this is install an All-Aluminum High Performance radiator, increasing the radiator cap pressure will not help dissipate additional heat.
Your car is being driven in a harsh (high heat) environment or is being driven hard for extended periods of time. Again, the best way to solve this problem is install a High Performance radiator, increasing the radiator cap pressure will not help dissipate heat.
Raising your cars cooling system's operating pressure increases the stress on all the other components of your cooling system. Before increasing your cooling system pressure by replacing your radiator cap with a higher rated radiator cap, check to make sure your entire cooling system is in excellent condition and all of the components are capable of handling these higher pressures. These may components include, but are not limited to:
The radiator (all of the All-Aluminum radiators that we sell are rated to handle these higher pressures)
Radiator hoses
Heater hoses
The heater core
The water pump
Freeze plugs
All gaskets that come in contact with the cooling system
Increasing your cooling system pressure by installing a radiator cap that has a pressure rating higher than factory specs increases stress on the entire system. Although some race cars use high pressure caps, their cooling systems are built to handle these higher pressures (All-Aluminum brazed and welded radiators, steel braided hoses, no heater core, high performance water pump, high performance gaskets, etc). We offer high pressure caps because some cars are designed with high pressure cooling systems. We recommend that you only use a cap with the pressure rating that your car was designed for.
How much does the pressure raise the boiling point? Well, it’s about 2-3 degrees for every psi increase,that we increase the pressure of the system. Therefore, by using a 16 -17 psi rated cap we make the average boiling point of a stock cooling system somewhere closer to around 257-260 degrees.
Common Overheating Problems
1. Radiators - Older copper and aluminum radiators tend to get clogged, restricting the flow of coolant.
2. Thermostats - Either installed improperly or sticking closed.
3. Water pumps - Failure to replace older or failing pumps or install a new pump properly.
4. Heater core leaking - A common problem.
5. Coolant leaks from either hose connections or from the cylinder head due to overheating.
6. Bad radiator hoses or belts.
Cooling systems are often neglected. If coolant isn’t changed, the coolant passages can experience buildup of scale and sludge and coolant won’t flow rapidly enough to cool the engine.
Coolant should be changed at least every two years or 30,000 miles or it will lose its effectiveness, and the mixture of antifreeze and water should always be 50/50. A mixture with more than 50 percent antifreeze will cause the coolant to not perform properly, and with less than 50 percent, the engine can freeze and crack. Also, the system needs to be flushed when the coolant is changed.
Oil must also be changed regularly too. Old, dirty oil won’t flow as quickly and will hamper cooling., many guys don,t understand that a larger capacity baffled oil pan in the 7-8 quart range and an oil or transmission fluid cooler have a pronounced effect on the cooling systems ability to dissipate heat, as the higher oil flow rates, also tend to dissipate heat and take some of the heat burden off the cooling system
The radiator cap is often overlooked in common engine overheating problems. It is designed to add pressure to the cooling system and increase the boiling point like grandma s pressure cooker. A faulty radiator cap can cause your car to boil-over at a lower temperature but is an easy and inexpensive D-I-Y repair.
READ THESE
http://www.tuneruniversity.com/blog/201 ... iator-cap/
http://www.arrowheadradiator.com/overhe ... _cures.htm
viewtopic.php?f=57&t=149
viewtopic.php?f=57&t=176
http://www.cjponyparts.com/lower-radiat ... 3/p/HW769/
From http://www.absoluteradiator.com
It has become popular to install high pressure radiator caps in an attempt to lower cooling system temps. While some makes and models come from the factory with and are designed for high pressure caps, raising your radiator cap's pressure above factory specs increases your cooling system's maximum operating pressure above design parameters. While raising your cooling system's maximum operating pressure does raise your cooling system's boiling point and therefore helps to avoid boil-over, it does not lower your operating temperature prior to boil-over, and simply allows your engine to continue to operate at temperatures higher than it is engineered for. Water boils at 212 degrees, and for each pound you raise the system pressure it raises the boiling point 3 degrees - Example: The 1.1 bar (16 pound) cap will have a boiling point of 260 degrees. Operating your engine at higher than acceptable temperatures can destroy your engine. We wish to point out some considerations that should be taken into account before an individual chooses this approach.
There are several possible reasons that you might be experiencing higher than normal cooling system temperatures:
An engine malfunction or cooling system problem - increasing your cooling system pressure will not correct this problem and will quite possibly add to the problem. We recommend correcting the problem instead of using a higher pressure cap.
Engine or body modifications have altered the performance of the cooling system or air flow through the radiator. Again, we recommend correcting the problem instead of using a higher pressure cap.
Engine modifications have increased the HP of the engine - creating more HP means creating more heat. We recommend increasing the heat dissipation capabilities of your cooling system to match the increase in heat generation. The best way to do this is install an All-Aluminum High Performance radiator, increasing the radiator cap pressure will not help dissipate additional heat.
Your car is being driven in a harsh (high heat) environment or is being driven hard for extended periods of time. Again, the best way to solve this problem is install a High Performance radiator, increasing the radiator cap pressure will not help dissipate heat.
Raising your cars cooling system's operating pressure increases the stress on all the other components of your cooling system. Before increasing your cooling system pressure by replacing your radiator cap with a higher rated radiator cap, check to make sure your entire cooling system is in excellent condition and all of the components are capable of handling these higher pressures. These may components include, but are not limited to:
The radiator (all of the All-Aluminum radiators that we sell are rated to handle these higher pressures)
Radiator hoses
Heater hoses
The heater core
The water pump
Freeze plugs
All gaskets that come in contact with the cooling system
Increasing your cooling system pressure by installing a radiator cap that has a pressure rating higher than factory specs increases stress on the entire system. Although some race cars use high pressure caps, their cooling systems are built to handle these higher pressures (All-Aluminum brazed and welded radiators, steel braided hoses, no heater core, high performance water pump, high performance gaskets, etc). We offer high pressure caps because some cars are designed with high pressure cooling systems. We recommend that you only use a cap with the pressure rating that your car was designed for.
