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Rb25 Breather Fittings

Hanaldo

By Hanaldo,
in Western Australia

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Hanaldo Grand Master

Hanaldo

Posted
Posted

Hey all,

I'm after some speedflow fittings for my 25 Neo, either the usual anodized blue/red or just gloss black. However, I'm not sure exactly what I need. Go Gear are way too expensive and weren't much help, while Enzed had no idea what I wanted strangely enough. As I understand it, I need the weld in female fittings to go into the rocker cover, and then I need 90 degree barbed hose end fittings to suit 5/8th push on hose. But looking at an Earls catalogue or similar, I dont know which ones to order.

Is anyone able to give me an exact part number or point me in the right direction?

Any help appreciated,

Cheers,

Martin.

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https://www.sau.com.au/forums/topic/389768-rb25-breather-fittings/
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bubba Grand Master

bubba

Posted
Posted

If I need something last minute I go to Couplers in Malaga, if I'm prepared to wait I order from the likes of summitracing.com :thumbsup:

Just be aware the fittings are huge, you should be fine with the 25 but with the 30 I couldn't shut the bonnet so just went back to stock fittings with pushlock hose.

Hanaldo Grand Master

Hanaldo

Posted
  • Author
Posted

Yeh? Surely that's just because of the 30, lots of guys use these fittings? Not too mention the 33 RB25's have the standard breather that goes vertically up :/

Will check out summit racing as well, cheers bubba :) speedflow.com had the right stuff, I just don't know which ones I need :unsure:

erik Community Regular

erik

Posted
Posted

somewhat related question, does the size of the blow-by hose matter?

I've noticed most catch cans have a fitting about half the size of the stock fittings?

Can it suffocate the engine or anything with small hoses/fittings?

Hanaldo Grand Master

Hanaldo

Posted
  • Author
Posted

I have heard of drive-ability problems caused by having too small/too large breathers, but I never had any problems when I was using my old D1 Spec 'catch-can' (as if it ever caught anything).

Am using a Pro Fabrications unit now, Brad installed 5/8th fittings on it on my request. For anyone interested, I found the fittings I need through speedflowdirect.com. Earls part numbers are 403-10 for the 90 deg, and 999-10-D for the weld in. Helpful blokes there, and much better prices than my local Pirtek or Earls thumbsup.gif

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