1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Globby Oil

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Old 09-21-20, 02:16 PM
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Globby Oil

I bought an fb from someone a few weeks ago that hasn’t ran in over two years. I’m doing an oil change on it and what came out was a good amount of water and globby chunks of oil. What’s my next best plan of action from here?
Old 09-21-20, 02:50 PM
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Start researching "How to rebuild a rotary" -?

Sorry. Ill-timed humor. Water in oil pan indicates a failure, either a water-jacket seal or an actual housing.
My experience (had the same prob) was the engine needed to be pulled, then disassembled - this is more than just replacing a failed component, tho that is part of it. It means at the very least a basic rebuild. By that I mean all new seals and gaskets, presuming housings themselves are OK. You up for that?
Its doable if you are mechanically 'inclined' (as I was. NOT a mechanic.) I managed to pull it off with the help of a few special tools and some great rebuild videos - the best of which is the one Mazdatrix.com sells via DVD for $30. Or at least check out YouTube to get a sense of what it takes.

Stu A
80GS
AZ

Old 09-21-20, 03:10 PM
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Originally Posted by 7aull
Start researching "How to rebuild a rotary" -?

Sorry. Ill-timed humor. Water in oil pan indicates a failure, either a water-jacket seal or an actual housing.
My experience (had the same prob) was the engine needed to be pulled, then disassembled - this is more than just replacing a failed component, tho that is part of it. It means at the very least a basic rebuild. By that I mean all new seals and gaskets, presuming housings themselves are OK. You up for that?
Its doable if you are mechanically 'inclined' (as I was. NOT a mechanic.) I managed to pull it off with the help of a few special tools and some great rebuild videos - the best of which is the one Mazdatrix.com sells via DVD for $30. Or at least check out YouTube to get a sense of what it takes.

Stu A
80GS
AZ
This may or may not attribute to any of it but from what I know is that the motor rebuilt has about 12k on it and when I got it it had both freeze plugs blown. Would that cause any of it or would a rebuild still be the best option?
Old 09-22-20, 12:06 AM
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the front housing has freeze plugs in it, they're behind the front cover. if one of these came out, water would get into the oil pan.
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