Cosworth 1 1 1 3 and 1 5 bar high pressure radiator cap.
Subaru 1 3 bar radiator cap.
For example you would run a 1 3 bar cap on the radiator and a 1 1 bar cap on the turbo tank.
Subaru genuine subaru radiator cap forester impreza outback legacy ej25 ej18 ej22 oem koyo sk c13 type a radiator cap red 1 3 bar mishimoto high pressure 1 3 bar radiator cap small.
1 1 bar vs 1 3 bar radiator cap posted in general.
The cap increases pressure and does allow temperature to go up about 10 degrees before fluid boils but does not reduce temperature.
The 1 3 bar radiator cap will improve the cooling efficiency on the subaru wrx sti.
Subaru 13 bar radiator cap subaru limited 2015 st4511355010 rallysport direct 1 888 45 rally.
You are suppose to run the higher pressure on the radiator.
And only if you have an aftermarket.
Keep your engine cool by upgrading to the cobb 1 3 bar radiator cap this higher pressure cap increases the effective boiling temperature of coolant in the system.
Use the 1 1 bar coolant reservoir cap for the coolant expansion tank which sits atop the intake manifold on every turbocharged subaru we support.
Avoiding boiling makes head gasket failure less likely.
Free shipping over 200 00.
The higher temperature allows the cooling system to absorb more heat.