Oil Catch Can for 2.5t - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 34 (permalink) Old 12-14-2018, 12:26 PM Thread Starter
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Oil Catch Can for 2.5t

I suppose this should be on the radar/wish list of any Mazda6 Signature owner. The 2.5t is a Direct Injection engine, and therefore will need a catch-can on the PCV line to keep the valves from crudding up with baked-on engine oil. Has anybody researched this or perhaps found a solution for the CX-9 that should fit on the Mazda6 as well?

Last edited by 1BlinkGone; 12-14-2018 at 12:36 PM.
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post #2 of 34 (permalink) Old 12-14-2018, 10:35 PM
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In our local group, someone's installing this Oil Catch Can. A reliable friend of mine assured me that this is a good modification.

"For DI & turbo, it'll be beneficial. TitoMar will soon have an OVT 1."

"Oh, u need not worry w warranty...its a bolt on reversible mod. OCC will delay carbon build up(happy)"

Once I have time, I'll have this installed.
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post #3 of 34 (permalink) Old 12-15-2018, 01:28 AM Thread Starter
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Quote:
Originally Posted by Archerfish View Post
In our local group, someone's installing this Oil Catch Can. A reliable friend of mine assured me that this is a good modification.

"For DI & turbo, it'll be beneficial. TitoMar will soon have an OVT 1."

"Oh, u need not worry w warranty...its a bolt on reversible mod. OCC will delay carbon build up(happy)"

Once I have time, I'll have this installed.
These are a HUGE plus for these engines. Not only will it not affect warranty, but they are CARB legal (without CARB certification) in the state of California. There are some smog stations that may attempt to fail you on the visual inspection due to their own ignorance & paranoia (that they could be setting themselves up for getting busted); the simple fact is they are LEGAL in California on today's modern vehicles. I don't have it on this computer handy but on another one that is offline at the moment. but I do have an official pdf from the State of California specifically speaking to this component and this part of the emissions system. Not only that, but MFG such as Ford performance offer them for sale (Mustang, etc) and they are 50 state legal. FYI for those so considering this IMO, essential piece of hardware for DI engines.
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post #4 of 34 (permalink) Old 12-15-2018, 10:02 AM
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Originally Posted by 1BlinkGone View Post
These are a HUGE plus for these engines. Not only will it not affect warranty, but they are CARB legal (without CARB certification) in the state of California. There are some smog stations that may attempt to fail you on the visual inspection due to their own ignorance & paranoia (that they could be setting themselves up for getting busted); the simple fact is they are LEGAL in California on today's modern vehicles. I don't have it on this computer handy but on another one that is offline at the moment. but I do have an official pdf from the State of California specifically speaking to this component and this part of the emissions system. Not only that, but MFG such as Ford performance offer them for sale (Mustang, etc) and they are 50 state legal. FYI for those so considering this IMO, essential piece of hardware for DI engines.
This is very assuring! I truly trust my friend with his recommendation but this being legal in California is a big plus. I've heard that California has stringent rules when it comes to the environment.
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post #5 of 34 (permalink) Old 12-15-2018, 11:34 AM
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i thought that mazda designed an amazing engine with the high compression low octane sky active stuff. you mean to tell me in all their wisdom they completely ignored the oil and carbon control issue identified a decade ago and owners need to start adding those stupid little cans to these cars now too?
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post #6 of 34 (permalink) Old 12-15-2018, 12:05 PM Thread Starter
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i thought that mazda designed an amazing engine with the high compression low octane sky active stuff. you mean to tell me in all their wisdom they completely ignored the oil and carbon control issue identified a decade ago and owners need to start adding those stupid little cans to these cars now too?
Mazda isn't the only one. Fortunately and to their credit, Ford has at least presented an aftermarket solution. Cummins, to their credit, has included an oil separator for a few years now on their diesels. The DI system is just that way as far as some way to capture that oil.. Lexus, IIRC, has created a system that is both DI and Port injected to mitigate the oil build up.
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post #7 of 34 (permalink) Old 12-15-2018, 02:33 PM
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Subscribed. I'm interested to see if someone will or has done this, and consider making a DIY thread so others can benefit from it...
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post #8 of 34 (permalink) Old 12-15-2018, 07:56 PM
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Originally Posted by Mz6GreyGhost View Post
Subscribed. I'm interested to see if someone will or has done this, and consider making a DIY thread so others can benefit from it...
I want a clean looking, OEM installation. It's not yet a priority for now, I've got a tight budget.


I'll post pictures and if possible, a step-by-step one.
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Last edited by Archerfish; 12-15-2018 at 08:50 PM.
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post #9 of 34 (permalink) Old 12-15-2018, 09:03 PM Thread Starter
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Subscribed. I'm interested to see if someone will or has done this, and consider making a DIY thread so others can benefit from it...
Excellent idea! We have not YET acquired our new Maz6 Signature, but when we do, it will be one of, if not the first, addition to the car. For me, the less oil carbon-ing up the valves from the moment we get it from the dealership, the better. YMMV. IMO it's a necessary part of preventative maintenance/protocol for these DI engines.
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post #10 of 34 (permalink) Old 12-15-2018, 09:04 PM Thread Starter
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Quote:
Originally Posted by Archerfish View Post
I want a clean looking, OEM installation. It's not yet a priority for now, I've got a tight budget.


Plus one on the OEM looking install.

I'll post pictures and if possible, a step-by-step one.
That would be super. thank you!
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