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 Post subject: engine breather
PostPosted: Thu Feb 26, 2015 9:21 pm 
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1098cc
1098cc

Joined: Wed Jun 26, 2013 10:05 pm
Posts: 1500
Location: perth WA
Hey guys another question.

So the motor in my supercharged deluxe has no crankcase breather.

Being supercharged I expect it to breath a little so where can I fit one?

The timing cover and flywheel housing out due to the supercharger setup. Is the breather on the rocker cover enough or can I fit one to the fuel pump mount.

Cheers guys

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 Post subject: Re: engine breather
PostPosted: Thu Feb 26, 2015 9:40 pm 
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848cc
848cc

Joined: Mon Nov 24, 2014 11:47 am
Posts: 110
Location: Adelaide , South Australia
One like this..

http://www.minimania.com/part/C-2A265/C ... p-Mounting

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 Post subject: Re: engine breather
PostPosted: Thu Feb 26, 2015 9:45 pm 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW
That one is baffled. It might/should work.
If you make an unbaffled one like I did, it won't work. Anything over 4500rpm and the crank and rods threw heaps of oil at it. It made like JB007.
I was using an S breather on there, NO, they are not an `oil separator'. Flame trap would be a better description.

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 Post subject: Re: engine breather
PostPosted: Fri Feb 27, 2015 10:57 am 
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998cc
998cc

Joined: Mon Apr 05, 2004 11:23 am
Posts: 581
Location: Eastern Melbourne
You can use the fuel pump hole for a breather and oil catch can return.


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 Post subject: Re: engine breather
PostPosted: Wed Mar 04, 2015 7:59 pm 
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1098cc
1098cc

Joined: Thu Mar 22, 2007 9:25 pm
Posts: 1322
Location: wooToomba
I've got the Mini Mania baffled (well, sort of) breather linked mounted on my fuel pump hole. It goes to a catch can. The hose is filled with steel wool as a droplet disperser. I still get extra oil in the catch can if I rev past 4500rpm too often.

That said, I do think it's a valid place to mount a breather. Just be aware that you'll lose oil up there. And if you can put in some form of extra baffle... Do it.


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 Post subject: Re: engine breather
PostPosted: Wed Mar 04, 2015 8:13 pm 
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1275cc
1275cc
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Joined: Sun Jan 21, 2007 9:16 pm
Posts: 3166
Location: North of the Harbour planning my next mini project
What's wrong with the flywheel housing?
What type of Supercharger kit do you have?
I have a Smiffy bits breather on the flywheel housing and a VMAXSCART kit with Eaton supercharger.

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