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

Oil Catch Can?

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Old 11-22-06, 11:10 AM
  #1  
"1ST GENS" THE REAL RX-7!

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Oil Catch Can?

I bought a MazdaSpeed oil catch can on e-bay.

It looks really cool and all of that buy I really dont know what the hell it does...

Anyone have one of these installed with pics?

Thanks
Jason
Old 11-22-06, 11:16 AM
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Enginerd

 
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On an NA car? Doesn't really do anything!

On a boosted or nitroused car, you plumb it in line with the crankcase (for lack of a better term) ventilation to keep oil from being blown back into the intake by the high combustion pressures...
Old 11-22-06, 11:20 AM
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LOL its a turbo thing. I dont know either but have thought about buying 1 to add to my engine bay. post some pics of it.
Old 11-22-06, 11:23 AM
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Resurrecting Gus

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If I'm not mistaken, doesn't the oil going back through the combustion cycle decrease the octane of the fuel mixture? This would lead to detonation on a boosted car....
Old 11-22-06, 12:27 PM
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I don't have the Mazspeed version installed but I have one from some Ebay Site (Oil Catch Can) Jap Version and use to use it as a Catch Can from the OMP untill I Installed a Plate and did the 1-1 Redline 2 cycle in gas tank way.
I bought the RotaryAvaition OMP conversion this Summer and for some reason no matter where I had this Tank installed with there instuctions with the Carb Rod installed to a RB Carb and Intake for a SteetPort-Mild BP it never Pulled enough 2Cycle Oil for my liking!
Went Back to 1oz-1gal.
Now I have to figure out what to use the Catch can for. Since I do not see Turbo in the Future.
As posted above unless you have a Tubo set-up not much use for it.
(Better Looking AntiFreeze Return Bottle)???.
Just Kidding.
steve
sgieldon
Attached Thumbnails Oil Catch Can?-pict0008resized.jpg  
Old 11-22-06, 12:47 PM
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"1ST GENS" THE REAL RX-7!

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I actually thought about using it as a antifreeze tank.

the factory one is so ugly....

Jay
Old 11-22-06, 03:17 PM
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Ricer

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sgieldon - that is where my catch can is for my RA adapter and I havent noticed any issues other than my crappy catch can itself leaking a bit.
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