Rad cap pressure?

[Sweep]

Just a quicky, my expansion tank has gone brittle and cracked around one of the ports, so figured I'd knock a nice little aluminium number up, but I'm not sure what pressure cap I need to find, what do the stock ones run?

Ben.

 

[Redwood Chair]

http://www.ebay.com/itm/Volvo-240-7...367828?hash=item542fde8fd4:g:WlgAAOSwg3FUgGR2

 

[oldschoolvolvo]

Black cap = 75kpa
Green cap = 150kpa

 

[Sweep]

Mucho appreciated!

 

[hiperfauto]

There was also a white cap for non turbo diesel that's 100kpa.