The cap increases pressure and does allow temperature to go up about 10 degrees before fluid boils but does not reduce temperature.
Subaru 1 3 bar radiator cap.
The turbo tank needs the lower pressure cap since its job is to overflow the coolant into the overflow tank then after shutdown it will suck it back in.
1 1 bar vs 1 3 bar radiator cap posted in general.
Free shipping over 200 00.
And only if you have an aftermarket.
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.
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.
I have read a few topics here and there all over the internet with advantages and disadvantages but most have been heresay and there arent many facts to back up what people have posted about in their.
For example you would run a 1 3 bar cap on the radiator and a 1 1 bar cap on the turbo tank.
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.
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.
Cosworth 1 1 1 3 and 1 5 bar high pressure radiator cap.
After diagnosing my overheating problem which seemed to have been caused by a busted valve in my radiator cap i am now needing a new one.