2nd Generation Specific 1986-1992 Discussion

Secondary Injector Diffuser Question

Old 03-16-2004, 08:10 AM
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ok, one of the ends of my secondary injector diffusers broke off....the part that holds the injector in place is still there though......can i just modify the other one so it is the same or do i need both of them to have the little screen area? i figure its the secondaries so the diffuser doesnt help much because when the secondaries kick in there is alot of air velocity ...i am also running a mild street port....



any suggestions?
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Old 03-16-2004, 10:08 AM
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If you only need one, it will cost like 15-20 bucks so I'd just replace it to be sure. www.mazdatrix.com sells them



they are kindof a bitch to remove tho. You will need to have the manifold off.
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Old 03-16-2004, 12:01 PM
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Originally Posted by jaidedeye' date='Mar 16 2004, 09:10 AM
ok, one of the ends of my secondary injector diffusers broke off....the part that holds the injector in place is still there though......can i just modify the other one so it is the same or do i need both of them to have the little screen area? i figure its the secondaries so the diffuser doesnt help much because when the secondaries kick in there is alot of air velocity ...i am also running a mild street port....



any suggestions?
That is a good question;I have no idea why there are diffusers on the secondaries...
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Old 03-16-2004, 12:33 PM
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It still helps to atomize the fuel. The car will run fine without it, but it runs better with. You can get away with it, but if you can afford, youre better off buying new diffusers.
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Old 03-16-2004, 12:36 PM
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Originally Posted by mazdaspeed7' date='Mar 16 2004, 01:33 PM
It still helps to atomize the fuel. The car will run fine without it, but it runs better with. You can get away with it, but if you can afford, youre better off buying new diffusers.
I take it you have experiment with them and without them?
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Old 03-16-2004, 06:34 PM
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ok...so is it really gonna hurt if the screen part is removed off both of them??
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Old 03-16-2004, 07:44 PM
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I ran mine without and I didnt notice a diff but I took out so much at one time its hard to say. I think I have an extra one in my parts box I can hook you up with. They are pretty brittle.
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Old 03-16-2004, 08:30 PM
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well i think im gonna try to run with both diffusers with out the screen on them.....at least if it does run like **** i can get to them easy cuz they are the secondaries
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Old 03-17-2004, 12:09 PM
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You don't need them.





-Ted
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Old 03-17-2004, 03:52 PM
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ok thanks man
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