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Old 06-23-2010   #18
scottfab
 
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,193
Default Re: High coolant temp

Quote:
Originally Posted by Tyler Townsley View Post
You cannot just block the bypass. In addition if you do anything that changes the water flow at higher RPM then you need to replace the radiator first as the stock radiator cannot handle the higher flow, thats why the bypass was developed.
Tyler
I agree you cannot just block the bypass. And you cannot just remove the radiator either. But then who would do that?
As for changing anything about the water flow and needing a better radiator? Well I wonder about that. Seems a very small change in flow maybe tolerated by the OEM radiator. And what is the pressure relief on the radiator reservoir for? Maybe at high pressure it releases but the volume it releases is not enough? dunno yet. I may run some experiments this summer. High rpm runs can be a problem when it's hot.

My main concern is being stuck in traffic when its 90+ out and the pavement is 100+deg. I may go with an aux fan or replace the OEM fan with a higher flow one. The old trick of turning on the AC so the second fan kicks in works to some extent so maybe I'll just "rewire" it.
More fan power (new fans) may just be the ticket. I've also seen aux fans mounted at the wheel well for getting better air flow but cutting holes is radical.
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