What I can say is that if the donor engine you've got has seriously damaged bearings then you may find the crank and rod aren't salvageable. I haven't personally had anything to do with these engines so i can't comment if there is a specific failure mode that's common. Sorry to babble on but would appreciate any advice/recommendation on your experiences. Its not the first MPS ive seen around with a sooty tail pipe and bumper. So is this common with these engines from factory.
Mazda 3 mps full#
Going full circle, I also noticed the wear patterns in the bore on this engine were quite inconsistent and the oil that came out thia engine was black as. Am i playing with fire with this crank and rod.? I am not chasing big power from this engine but i would like it to run nice and be reliable.? Ive gone this way so i can keep the oil guzzler in use for the time being and do the build at my own pace. Will this heat adversly effect the rod/cap and crank. Now obviously some machaning is required to the crank however my question here is there is some distinct heat discolouation in No.1 big end cap being quite black when the other 3 are a grey colour also black discolouration around No.1 crank jounal. I have stripped this down and the big end and main bearings are shot to shit and no.1 big end bearing was in the oil pick up. Ive resigned myself to doing a rebuild and bought a complete engine with a big end knock for next to nothing that had done aboit 130k. So what has your experience been with these engines as far as reliabilty in this area.? I have replaced the turbo as part of my elimination process. It doesn't leak any oil still runs fine just burns shitliads oil.
Now you say rings for sure but my compression test say good consistent compression in all four. It doesn't blow smoke at idle but blows plumes of black under power.
It goes black within a few hundred km of changing. I have a few queations regarding others experience with the MAZDA MPS 2.3 turbo 元 engine.įirstly, mine has high ks and oil consumption is to some degree expected, however this engine consumes approx an additional 5lts oil between changes these days which i dont leave any more than about 3000k due to the state of the oil.
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