HI PSI Member 1,586 Member For: 18y 9m 6d Gender: Male Location: Central Queensland Posted 06/04/19 04:03 AM Share Posted 06/04/19 04:03 AM I'm considering deleting the header tank and installing a thermostat housing with a radiator cap. Like this one - Click here Has anyone here done this mod? Are there any issues with aeration of the cooling system and overheating? Does the system require a higher pressure cap? Does the system lose water and require constant monitoring, due to pressure relief of the cap? Did you install an overflow tank? Cheers Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,279 Member For: 16y 10m 21d Gender: Male Location: Melbourne Posted 06/04/19 04:16 AM Share Posted 06/04/19 04:16 AM there's some discussion about it from here -> https://www.fordxr6turbo.com/forum/topic/80918-what-did-you-do-to-your-car-today/?do=findComment&comment=1659810 1 Link to comment Share on other sites More sharing options...
OZYWALKER XR50T Gold Donating Members 2,795 Member For: 11y 10m 2d Gender: Male Location: Western Sydney Posted 06/04/19 04:17 AM Share Posted 06/04/19 04:17 AM Did it a while back.It's a pain to bleed properly.Runs the same temps.Needs a 20psi cap or it will pour out, consider the factory cap is 16lb and is on the low temp side. Your moving it to the high temp side so pressure is higher.You will need to run a return style cap with an overflow tank. It will have to have the line from the cap run to a pickup tube in the overflow tank to allow the coolant to be returned to the system once it cools and has lower/negative pressure. 1 Link to comment Share on other sites More sharing options...
FiftyOne Bronze Donating Members 1,145 Member For: 11y 8m 2d Gender: Male Posted 07/04/19 04:14 AM Share Posted 07/04/19 04:14 AM Are there any benefits to doing this? Is it room in the bay & aesthetics or is there some other reason? Asking because I've always thought the header tank on the falcons made life so much easier Link to comment Share on other sites More sharing options...
OZYWALKER XR50T Gold Donating Members 2,795 Member For: 11y 10m 2d Gender: Male Location: Western Sydney Posted 07/04/19 04:29 AM Share Posted 07/04/19 04:29 AM It's more for the weekend cars that want bigger turbos and a cleaner bay.If you daily it or have had temp issues it's probably best not to. Link to comment Share on other sites More sharing options...
HI PSI Member 1,586 Member For: 18y 9m 6d Gender: Male Location: Central Queensland Posted 07/04/19 07:20 AM Author Share Posted 07/04/19 07:20 AM I don't think that it would be a concern, even if it was a daily. Essentially the system will run the same. I also think that most that do this mod will/are running a bigger alloy radiator. Primarily, I am planning on running it for both cosmetic and practical reasons. As coolant comes out of the filler neck barb on my aftermarket header tank anyway. So, I may as well eliminate that issue and delete those pesky coolant lines, that will interfere with the new carbon fiber air box that I'm building... 1 Link to comment Share on other sites More sharing options...
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