2nd Generation Specific 1986-1992 Discussion

Oil and Oil Filter

Old 01-07-2006, 03:18 PM
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Max
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So what is the best oil for the 1986 RX7 FC Base Model



And what is the best oil filter?



Also are there any other additional parts I should buy for the oil to function throughout the engine better?
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Old 01-07-2006, 03:23 PM
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Most people seem to use Castrol GTX 20w50 for the summer and 10w30 in the winter. Some people recommend that the Mazda filter is the best, but I use the most expesnive Fram I can buy sisnce the last filter I use to use religously was discontinued, Generally one with a Gauze filter media is the best.
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Old 01-07-2006, 04:05 PM
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I wouldn't run 10 weight in the winter. Mazda recommends 10 weight of the car sees 0 fahrenheit or lower, so yeah, use it if your car is going to see negative 18 C ambient temp (not windchill). Otherwise, always use 20w50, and always use a mineral oil, nothing synthetic. Rotary engines burn oil on purpose, running synthetic is debateable...



I never had a slow crank problem running 20 weight in the winter.



I cut up a Mazda Canada OEM filter and found it was like fram, which is a garbage filter.. I never cut up a fram top of the line filter but on an oil filter study they weren't any better other than some flashy packaging.. I would hope fram's most expensive stuff had a proper element, not some mass production quantity-over-quality bullshit.



Purolator filters are top notch, at a general auto store, the valvoline filters are made by purolator. Kralinator is another good filter. Fleetguard is good (if you can find one for a mazda application) as well..



Basically what makes or breaks a filter is cheap plastic drainbacks and paper and glue versus actual steel ended filter elements, etc.



The Mazda Canada OEM filter was glued together, and looked like a fifth grader cut the end caps of the element out of construction paper. I stopped using those religiously..



If you are at the store and can't pick between two brands, go with the one that's a little bit heavier, because chances are it has a quality element, not junk.
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Old 01-07-2006, 04:05 PM
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I was using Castrol Gtx 20W-50 all year roud, but thats also cause I live in hell. I use Mazda filters only.
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Old 01-07-2006, 04:53 PM
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Originally Posted by ColinRX7' post='792676' date='Jan 7 2006, 02:05 PM

I wouldn't run 10 weight in the winter. Mazda recommends 10 weight of the car sees 0 fahrenheit or lower, so yeah, use it if your car is going to see negative 18 C ambient temp (not windchill). Otherwise, always use 20w50, and always use a mineral oil, nothing synthetic. Rotary engines burn oil on purpose, running synthetic is debateable...



I never had a slow crank problem running 20 weight in the winter.



I cut up a Mazda Canada OEM filter and found it was like fram, which is a garbage filter.. I never cut up a fram top of the line filter but on an oil filter study they weren't any better other than some flashy packaging.. I would hope fram's most expensive stuff had a proper element, not some mass production quantity-over-quality bullshit.



Purolator filters are top notch, at a general auto store, the valvoline filters are made by purolator. Kralinator is another good filter. Fleetguard is good (if you can find one for a mazda application) as well..



Basically what makes or breaks a filter is cheap plastic drainbacks and paper and glue versus actual steel ended filter elements, etc.



The Mazda Canada OEM filter was glued together, and looked like a fifth grader cut the end caps of the element out of construction paper. I stopped using those religiously..



If you are at the store and can't pick between two brands, go with the one that's a little bit heavier, because chances are it has a quality element, not junk.


can you look at one and get pics or tell me who makes it?



there are 3 oem mazda filters i know of.



mazdausa now supplies us with a european made filter its b6y1-14-302-9a, seems to be just fine



mazda japan sells a tokyo roki made filter, its very high quality, denser packing (i used to have cut open ones) b6y1-14-302a



mazdausa also had a USA made filter, b6y2-14-302, its made by tennex, we had problems with them screwing on the motor, its basically junk
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Old 01-07-2006, 05:19 PM
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right now i'm using those blue mazda canada filters. I bought two dozens for ultra cheap a long time ago. I have about 4 more left I think.



What would you say about using other filters that weren't meant for a mazda application.



I have two 2002 Honda Accord filters. It seems to be high quality and it is made in USA by Honeywell.



I also have a 2003 subaru legacy GT and that filter is a purolator filter from subaru dealership. It too seems like a high quality filter. They both screw into the pedalstal fine and have the same OD, but different heights.



What if i were to use a subaru or honda filter in my rx7? would it work?
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Old 01-07-2006, 05:36 PM
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Originally Posted by ColinRX7' post='792676' date='Jan 7 2006, 05:05 PM

I wouldn't run 10 weight in the winter. Mazda recommends 10 weight of the car sees 0 fahrenheit or lower, so yeah, use it if your car is going to see negative 18 C ambient temp (not windchill). Otherwise, always use 20w50, and always use a mineral oil, nothing synthetic. Rotary engines burn oil on purpose, running synthetic is debateable...



I never had a slow crank problem running 20 weight in the winter.



I cut up a Mazda Canada OEM filter and found it was like fram, which is a garbage filter.. I never cut up a fram top of the line filter but on an oil filter study they weren't any better other than some flashy packaging.. I would hope fram's most expensive stuff had a proper element, not some mass production quantity-over-quality bullshit.



Purolator filters are top notch, at a general auto store, the valvoline filters are made by purolator. Kralinator is another good filter. Fleetguard is good (if you can find one for a mazda application) as well..



Basically what makes or breaks a filter is cheap plastic drainbacks and paper and glue versus actual steel ended filter elements, etc.



The Mazda Canada OEM filter was glued together, and looked like a fifth grader cut the end caps of the element out of construction paper. I stopped using those religiously..



If you are at the store and can't pick between two brands, go with the one that's a little bit heavier, because chances are it has a quality element, not junk.


LOL like you know what winter is Colin, but I guess it gets cold in my neck of the woods lol!!
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Old 01-07-2006, 05:54 PM
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I only use a Mobile one filter, number m-104, and castrol 20w-50 year round, It rearly gets to 0 F here.
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Old 01-07-2006, 06:28 PM
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Originally Posted by Cheers!' post='792700' date='Jan 7 2006, 03:19 PM

What if i were to use a subaru or honda filter in my rx7? would it work?


yep, honda one is the same thing
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Old 01-07-2006, 09:32 PM
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check out wix filters.
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