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drmini in aust
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PostPosted: Mon May 15, 2006 11:42 am 
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Location: near Baulkham Hills, NSW
68Delux wrote:
Oh yeah. Also you can mod the mechanical fuel pump blanking plate to accept one as well but the Doc says this is no good :(

Well I ran one from there once to a PCV on the manifold, and it made like JB007 over 4500 rpm... so I removed it. :cry:
Might work though if you run to a bottle, or just put a K&N filter on it.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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Gilly
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PostPosted: Mon May 15, 2006 12:41 pm 
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What is the downside if the breather can is empty i.e no mesh?
Drainback of oil?
Mine is off the tappet chest cover venting straight into th HS6 is this enough on a RE-13 equipped big bore motor?
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drmini in aust
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PostPosted: Mon May 15, 2006 1:14 pm 
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The mesh in there is hardly an oil separator, it's more likely a flame arrestor/trap.
I run a single breather from the flywheel housing on Barney's 1293A+, into a Y-piece then into the vac ports on the twin HS4s.
Working fine... even though the wrong A series dipstick is sitting in there loose, there are no leaks at all after thrashing it 2000Km round Tassie just now. 8)

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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Mick
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PostPosted: Mon May 15, 2006 1:26 pm 
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Location: Under the bonnet son!
Watch the scourers you buy, they are not all the same as I found out when I re-packed my own. Some will flake very easily (like metal dust...niiiiiice!) and will go nowhere but into the engine via the PCV. I just bought a few and chose the most substantial.

A problem I had with the PCV fitted that even with a can on the tappet cover, on a hardright turn the oil would pump out that tappet cover and into the engine via the PCV. Race marshals love to flag you for that stuff. The solution is to either cap the breather for the race or put an inline oil seperator in. I made one from one of those old castol 1 litre oil tins and stainless steel wool, worked a treat.

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All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.
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