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Another reason to use OEM thermostats (pic)

2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Another reason to use OEM thermostats (pic)

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Old 07-25-09, 01:13 PM
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Another reason to use OEM thermostats (pic)

So I found this site full of all sorts of service manuals from the oldschool rotaries up to the Rx-8. It's run by a guy who is on here. http://foxed.ca/foxed/index.php?page=rx7manual

anyway, I've been reading these when I'm bored (which is a lot lately), and I stumbled across this in the Rx-3 FSM:



This just confirms what we all knew. Another interesting thing about OEM thermostats: every single service manual I have looked at, Rx-2, 3, 4, 7, and 8 (both 12A and 13B), has the thermostat opening at 82C/180F and fully opening at 95C/203F--except this one:



That's from the Rotary Engine Pick Up, which had one of the only USDM 13B's offered in the 70s. It's interesting how people freak out if their water temps get over 200 degrees F and yet Mazda designed the engine to run at these sustained temperatures for a long period of time.
Attached Thumbnails Another reason to use OEM thermostats (pic)-thermostat_rx-3.jpg   Another reason to use OEM thermostats (pic)-repu_thermostat.jpg  
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Old 07-25-09, 01:50 PM
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lol, I don't notice the 3rd pipe on my housing.
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