ThmbsUp to Mishimoto Automotive 68º Racing Thermostat !
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ThmbsUp to Mishimoto Automotive 68º Racing Thermostat !
Heard about these from Banzai Racing on this forum, they were trying to cool off their turbo vert.
Well my S5 na was having trouble staying cool at the track on 100+ days even with Koyo rad, all factory ducting in place, 80% water and Water Wetter.
So I grabbed one of the T-stats and have to share the love. Awesome. Temp guage goes up to 160 and sits there. I can get it to climb to 180ish if I romp on it, then back down like a stone it goes. OKay the weather has been much cooler, 85F test day, now running 90% glycol though too. e-fan set to 195ish has yet to come on.
Thumbs up. Give it a try if your FC is having trouble cooling. not only earlier opening, but larger opening, seems to flow very well by how fast the temp drops after a romp session.
Well my S5 na was having trouble staying cool at the track on 100+ days even with Koyo rad, all factory ducting in place, 80% water and Water Wetter.
So I grabbed one of the T-stats and have to share the love. Awesome. Temp guage goes up to 160 and sits there. I can get it to climb to 180ish if I romp on it, then back down like a stone it goes. OKay the weather has been much cooler, 85F test day, now running 90% glycol though too. e-fan set to 195ish has yet to come on.
Thumbs up. Give it a try if your FC is having trouble cooling. not only earlier opening, but larger opening, seems to flow very well by how fast the temp drops after a romp session.
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long story, no good reason....
I was going to try the 'poor man's Evans' mix to 1) prevent corrosion 2) raise the boiling temp way up as insurance against boiling & losing a coolant seal again. Rebuild was because the plastic t-stat neck cracked on a 110f track day, BAM everything boiled out, coolant seals gone. Based on anecdotes here and there, Evan's might have saved the day by not boiling out.
But, ran out of coolant once I got the motor back in. Got in a hurry, anxious to start up the engine, so topped it off with distilled water and called it a day. Figured I'd run it for a while and get an idea of how a mostly-coolant system would work. Next summer will tell.
I was going to try the 'poor man's Evans' mix to 1) prevent corrosion 2) raise the boiling temp way up as insurance against boiling & losing a coolant seal again. Rebuild was because the plastic t-stat neck cracked on a 110f track day, BAM everything boiled out, coolant seals gone. Based on anecdotes here and there, Evan's might have saved the day by not boiling out.
But, ran out of coolant once I got the motor back in. Got in a hurry, anxious to start up the engine, so topped it off with distilled water and called it a day. Figured I'd run it for a while and get an idea of how a mostly-coolant system would work. Next summer will tell.
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i would ditch the plastic neck and get the aluminum one from rotary13b1.com, they're not well known but i thought the quality they had for the cast aluminum piece was ******* fanstastic and for less than the OE piece, i see mazdatrix actually lowered their price on the piece as well.
i hate seeing people lose engines due to that pos plastic neck.
i hate seeing people lose engines due to that pos plastic neck.
Last edited by RotaryEvolution; 11-13-12 at 03:53 PM.
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i would ditch the plastic neck and get the aluminum one from rotary13b1.com, they're not well known but i thought the quality they had for the cast aluminum piece was ******* fanstastic and for less than the OE piece, i see mazdatrix actually lowered their price on the piece as well.
i hate seeing people lose engines due to that pos plastic neck.
i hate seeing people lose engines due to that pos plastic neck.
Repalcing that plastic t-stat neck with the rotary13b1.com aluminum one should go as a sticky in the 2nd gen archive.
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A minor drawback that was just discovered:
The t-stat keeps the engine so cold the ECU was running in 'warm-up' mode, failing to activate the aux ports.
obviously not a concern for standalone ecu's but worth mentioning for us running the stocker.
The t-stat keeps the engine so cold the ECU was running in 'warm-up' mode, failing to activate the aux ports.
obviously not a concern for standalone ecu's but worth mentioning for us running the stocker.
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