Omp removal question
#1
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Omp removal question
Quick question. Im blocking off my omp because the throttle attachment got lost somewhere in my garage and i dont wanna spend $180 on a new pump because im missing a spring and some washers and no one is parting out near me 😔. So im blocking off the omp. The question is do I have to drain all the oil out before i take off the the omp because oil will pour out or is that not necessary? Help me out
#4
84SE-EGI helpy-helperton
It's well above the pan level, so youre Fine to R&R without draining.
You ARE going to premix, then, right? In the end, a working OMP is a great convenience and one reasony why Mazda saw fit to install one on all of our cars...
You ARE going to premix, then, right? In the end, a working OMP is a great convenience and one reasony why Mazda saw fit to install one on all of our cars...
#7
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Why take a chance? Why burn dirty engine oil and create carbon buildup when you can burn low ash 2 stroke? Why not delete it so you can run full synthetic? I'm not going to get into a "which one is better" debate with you. Lots have failed.https://www.google.com/search?q=site...utf-8&oe=utf-8
Last edited by FührerTüner; 04-29-16 at 12:39 PM.
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#8
Have RX-7, will restore
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I've been working on and driving RX-7's for 18 years and I have NEVER seen a mechanical OMP go bad. The S5 and later electric pumps that are ECU controlled I have seen fail. Quite often I might add. The mechanical pumps will last hundreds of thousands of miles. There's nothing that will really wear out as the shaft inside is constantly lubed with oil. I suppose if you starved the engine for oil then maybe the shaft would get scored but even then it would be tough to kill it. They can leak however, but a few new o-rings will solve that. I install new o-rings on every pump I pull off.
#10
roTAR needz fundZ
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Originally Posted by Fuhnortoner
Why take a chance? Why burn dirty engine oil and create carbon buildup when you can burn low ash 2 stroke? Why not delete it so you can run full synthetic? I'm not going to get into a "which one is better" debate with you. Lots have failed.https://www.google.com/search?q=site...utf-8&oe=utf-8
#12
Have RX-7, will restore
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The pumps do fail from time to time but its usually from vehicles that had been neglected. Mazda recommended changing the oil every 7500 miles when the 7 was new so there's no telling how many people went longer on their oil change and then you'll see contaminated oil taking its toll on the engine and it's components. I am an avid supporter of premix however. I do agree that using dirty oil for the combustion chamber is not the best thing, so premixing definitely has its advantages.
Last edited by mazdaverx713b; 05-03-16 at 10:45 PM.
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