Johneturbo
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| posted on 8/2/09 at 08:18 PM |
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Fuel tank breather
Would this be ok for a tank breather, on a fuel injection system
cheers
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ru=http%3A%2F%2Fshop.ebay.co.uk%3A80%2F%3F_from%3DR40%26_trksid%3Dm38%26_nkw%3D390028349320%26_fvi
%3D1&item=390028349320&viewitem=&salenotsupported
[Edited on 8/2/09 by Johneturbo]
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RichardK
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| posted on 8/2/09 at 08:27 PM |
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Linky
Cheers
Rich
Gallery updated 11/01/2011
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Johneturbo
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| posted on 8/2/09 at 08:36 PM |
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thanks for the link Richard
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twybrow
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| posted on 8/2/09 at 08:46 PM |
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I bought one of these too. Looks like a good buy as far as I can tell.
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blakep82
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| posted on 8/2/09 at 08:58 PM |
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i was gonna get one of those too
________________________
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Johneturbo
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| posted on 8/2/09 at 09:00 PM |
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Last time i used a piece of copper pipe to go down below the tank then back up above. far to much faffing about
i'll go for one of these then
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mark chandler
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| posted on 8/2/09 at 09:26 PM |
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I just cut the brass holder and valve out of an old inner tube and used that, its free + is a good fit inside 8mm fuel hose.
 
Rescued attachment Inertube.jpeg
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Chippy
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| posted on 8/2/09 at 10:40 PM |
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£8 seems a bit pricey to me you can gat a motorcycle one, (Ebay), for about £3 and they work fine, plus small and neat. HTH Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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nitram38
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| posted on 9/2/09 at 01:03 AM |
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No these are no good for fuel injection systems.
You need a roll over valve that breathes both ways, in and out except when inverted. They usually have a float ball inside.( I got mine from
thinkauto.)
These valves only let air in.
Apart from expansion of the fuel, you get a situation where as fuel is drawn from the tank, air is drawn in to replace the fuel removed, but injection
should have a return from the pressure valve on the fuel rail, which then returns to the tank.
Now the air needs to be expelled to allow room for the returned fuel.
The result is a pressurized fuel tank or worse.
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richardh
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| posted on 10/2/09 at 12:57 PM |
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i got mine from MNR themselves.
wasn't cheap but its what they used in their racer
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Johneturbo
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| posted on 10/2/09 at 03:02 PM |
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quote:
Originally posted by nitram38
No these are no good for fuel injection systems.
You need a roll over valve that breathes both ways, in and out except when inverted. They usually have a float ball inside.( I got mine from
thinkauto.)
These valves only let air in.
Apart from expansion of the fuel, you get a situation where as fuel is drawn from the tank, air is drawn in to replace the fuel removed, but injection
should have a return from the pressure valve on the fuel rail, which then returns to the tank.
Now the air needs to be expelled to allow room for the returned fuel.
The result is a pressurized fuel tank or worse.
Hmmm i wish i'd have read that before i ordered it!
just received it today and your right it won't let any pressure out. it is only oneway,
anyone wanna buy a 1 way valve!??
[Edited on 10/2/09 by Johneturbo]
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Johneturbo
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| posted on 10/2/09 at 07:04 PM |
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Nitram38
The one from Thinkauto is it the
TRL67
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nitram38
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| posted on 10/2/09 at 07:28 PM |
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Best to give thinkauto a call as it looks like mine, but I ordered by phone and description.
My one is in the middle of the firewall and is purple. (it came in that colour) and looks like the one you suggested.
 
Description
[Edited on 11/2/2009 by nitram38]
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richardh
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| posted on 12/2/09 at 09:41 AM |
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mine is purple too - came in that colour and is the model you have identified
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Johneturbo
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| posted on 12/2/09 at 08:15 PM |
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Ok thanks guys
nice build Nitram, looks very 
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