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A//// Guy · 01-10-2006

I modified a polished aluminum oil catch can to make it work as a coolant catch can. I got it on ebay for like 60 bucks...

You cant have a totally sealed overflow because then it will never be able to "overflow" if you overheat, etc.... Thats the point of having a overflow tank, so I dont see how they can make you have a sealed one when you will need to equalize the pressure like Steve said.

01-10-2006	#5
A//// Guy Bloody Seal Bounce Champion! Join Date: Oct 2003 Location: South Burbs Drives: Slowly Posts: 9,870	Re: Need help on parts for the 2006 season. I modified a polished aluminum oil catch can to make it work as a coolant catch can. I got it on ebay for like 60 bucks... You cant have a totally sealed overflow because then it will never be able to "overflow" if you overheat, etc.... Thats the point of having a overflow tank, so I dont see how they can make you have a sealed one when you will need to equalize the pressure like Steve said.