David Jenkins
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| posted on 5/4/08 at 04:58 PM |
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What size is this 'ole?
This is a question for those with experience of crossflow engines...
My existing inlet manifold has a union for the hose from the crankcase PCV. I don't need that connection any more, so I want to unscrew it and
put in a plug.
Can anyone tell me what thread it would be? (probably something like BSP, NPT, Unified Cycle Gas Thread, or similar).
Cheers,
David
[Edited on 5/4/08 by David Jenkins]
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MikeR
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| posted on 5/4/08 at 05:05 PM |
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I asked this question a couple of years ago - i was trying to find something to plug it with. In the end i bought something from Burton (i think).
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clairetoo
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| posted on 5/4/08 at 06:32 PM |
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quote:
Originally posted by David Jenkins
This is a question for those with experience of crossflow engines...
My existing inlet manifold has a union for the hose from the crankcase PCV. I don't need that connection any more, so I want to unscrew it and
put in a plug.
Can anyone tell me what thread it would be? (probably something like BSP, NPT, Unified Cycle Gas Thread, or similar).
Cheers,
David
[Edited on 5/4/08 by David Jenkins]
Since crossflows are all UNF - then probably NPT , allthough if you just want to block it off the BSP would do the job - just measure across the hole
, if its about 1/2" then it will be a 3/8" thread , if its 3/8 then it will be 1/4" .
Hope this helps !
Its cuz I is blond , innit
Claire xx
Will weld for food......
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rusty nuts
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| posted on 5/4/08 at 07:45 PM |
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Since when have crossflows all been UNF threads ? IIRC a lot of the threads are UNC. Suspect the PCV connection may be the same as the oil gallery
plugs possibly 1/4"BSP?
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snapper
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| posted on 5/4/08 at 08:49 PM |
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The threaded connection you take out is the one you ant, so take that to a local engineering firm and they will be able to tell you what the thread
is and probably make up a plug for you.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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David Jenkins
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| posted on 5/4/08 at 09:04 PM |
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I was planning to make my own - but I might visit my local Pirtek (sp?) shop next week.
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rusty nuts
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| posted on 6/4/08 at 08:29 AM |
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Bit of a bodge I know, but as the manifold is only going back on as a temporary fix till you get the bike carb conversion sorted what about a bung in
the hose?
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