Oil pressure?
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Oil pressure?
So I changed out the oil cooler on my 1984 Fb today and went to go start it up and the oil pressure shot up to Max and just sat, it's not exactly the same oil cooler as the one I took off but it's the one Atkins rotary recommended, just want to see why my oil pressure is wacky
#4
Waffles - hmmm good
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The stock coolers have a thermal bypass that stays open until the oil gets up to temp if I remember right.You don't give us enough info to know for sure what you had and what you put on.
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It's a gs with the 12 a, the oil cooler taken off was stock and put a slightly smaller one on
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#7
ancient wizard...
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#9
Have RX-7, will restore
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You MUST use an original Mazda oil cooler or risk damage to the engine. You can use an SA or a GSL-SE oil cooler or even the beehive style oil cooler. But using an aftermarket oil cooler can cause issues. If Atkins recommend the oil cooler then I'm sure it's likely ok. I'm curious what brand it is and if it as a thermal bypass.
#10
Out In the Barn
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Using a properly sized after-market oil cooler is ok as long as you have a good quality external oil temperature thermostat. It will by-pass the cooler until the oil is up to temp. I think the FSM has the specs on oil temp at . I believe the factory FMOC opens at 145 degrees.
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