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subarupete
Firing on two.
Joined: March 5th, 2009, 6:23 pm
Posts: 2247
Location: Near Monmouth
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 Re: Breather Overhall Old engine with Pistons/Barrels at some point.
Before - no vacuum at tickover, same at high rpm .
After - 4.5cm vacuum at tickover 0 at high rpm.
Moving in the right direction....
For the DIY members...... make a manometer, measure from dipstick pipe and report back.
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| April 21st, 2011, 10:55 am |
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EirikJ
Firing on two.
Joined: February 17th, 2009, 8:43 pm
Posts: 567
Location: NOrWAY
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Re: Breather Overhall subarupete wrote: Old engine with Pistons/Barrels at some point.
Before - no vacuum at tickover, same at high rpm .
After - 4.5cm vacuum at tickover 0 at high rpm.
Moving in the right direction.... Clearly! Maybe works perfect on a good engine then 
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Vennlig hilsen, Eirik
Five 2CV's, DS 21 ieh Pallas -70, DS 23 h Pallas -75, CX 25 GTi automatic -89, XM 2,0i -90
And a Heinemann Z412 -80
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| April 21st, 2011, 11:12 am |
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Sean
Firing on two.
Joined: April 22nd, 2009, 11:06 pm
Posts: 3684
Location: Ecosse
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Re: Breather Overhall subarupete wrote: For the DIY members...... make a manometer, measure from dipstick pipe and report back. Is that a request for data? last breather I overhauled had 4cm at 5Krpm and sucked up the lhm at fast tickover have found other diapragm material and will try varying thickness, dont want it sucking too hard as that would defeat the purpose.....may sell the idea to Mr Dyson.
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Kissing the Lash
"Any advice of a technical nature is given on the understanding that I've actually done this shit, not just read about it in D*lly club mag some time ago.
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| April 21st, 2011, 11:41 am |
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subarupete
Firing on two.
Joined: March 5th, 2009, 6:23 pm
Posts: 2247
Location: Near Monmouth
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Re: Breather Overhall Thanks Sean So far only replaced the "flap valve" in the middle. Vitron is the stuff http://www.rhnuttall.co.uk/Materials/Ru ... ubber.html
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| April 21st, 2011, 12:24 pm |
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Sean
Firing on two.
Joined: April 22nd, 2009, 11:06 pm
Posts: 3684
Location: Ecosse
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Re: Breather Overhall silicone rubber myself, cheap and has a sealing side that's glassy smooth just have to wait for more baking trays to tun up in TK Maxx  ( oil and grease proof, un affected by temperatures up to 250C-and if i gets that hot its not your breather you need to be worrying about.) Sean
_________________
Kissing the Lash
"Any advice of a technical nature is given on the understanding that I've actually done this shit, not just read about it in D*lly club mag some time ago.
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| April 21st, 2011, 1:44 pm |
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Devils Advocate
Firing on two.
Joined: July 26th, 2009, 3:36 pm
Posts: 1019
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Re: Breather Overhall Baking trays? Tell us more...
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| April 22nd, 2011, 1:07 am |
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dave 411
Firing on two.
Joined: August 19th, 2010, 10:44 pm
Posts: 1815
Location: Cardiff
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Re: Breather Overhall Silicone baking sheets,not really trays.
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[img]http://i1207.photobucket.com/albums/bb480/alastairsmith999/dave411-5.png[/im
g]Horizontally Opposed
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| April 22nd, 2011, 7:34 am |
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Sean
Firing on two.
Joined: April 22nd, 2009, 11:06 pm
Posts: 3684
Location: Ecosse
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Re: Breather Overhall dave 411 wrote: Silicone baking sheets,not really trays. "tins"  you get all sorts of thickness you just have to be patient and rake about
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Kissing the Lash
"Any advice of a technical nature is given on the understanding that I've actually done this shit, not just read about it in D*lly club mag some time ago.
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| April 22nd, 2011, 8:46 am |
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dave 411
Firing on two.
Joined: August 19th, 2010, 10:44 pm
Posts: 1815
Location: Cardiff
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Re: Breather Overhall WHOOPS 
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g]Horizontally Opposed
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| April 24th, 2011, 8:56 pm |
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Devils Advocate
Firing on two.
Joined: July 26th, 2009, 3:36 pm
Posts: 1019
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Re: Breather Overhall 'Silicone'? Do you mean Teflon-coated steel? Hmmmm, interesting......
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| April 25th, 2011, 1:34 pm |
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