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Old 07-07-2017, 05:14 PM   #1
spudgun
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Default 20XE inlet manifold water pipe connector

Hi, I'm after a bit of advice regarding the large coolant connector on the bottom of the inlet manifold. I'm running an SBD manifold for Weber carbs. On the bottom is a large threaded hole that requires a connector assembled in to it and this connects to the hose from the water pump. SBD do not list this connector on their web site. I'm sure I've read that you need to take the original one out of the standard Vauxhall one and use that. I've just done that only to find its a push fit and not threaded. So what I would like to know what people are doing to get over this issue. Is it a simple question of dressing out the thread and bonding it in or something a bit more involved? Any help would be appreciated.
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Old 07-07-2017, 05:29 PM   #2
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thats a bit confuseing,, poss just me,,
is it the pipe hole that comes out the head on far left ,as per stood at front looking at windscreen, if so my old i,tb manifold just coverd up were the hole was and my weber one will do the same, sory if its not that,
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Old 07-07-2017, 06:36 PM   #3
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Default Manifold

No not that one. On the standard setup there's a water pipe that comes up from the water pump to the bottom of the inlet and this then sends the water to the head ( or the other way around). It's about an inch and a quarter in diameter.
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Old 10-07-2017, 05:59 AM   #4
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Most ITB setups do away with the one in the inlet manifold, it's not really needed. I have just blanked off the pipe going up from the water pump. Been that way for 12 years so far without any issues.
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Old 10-07-2017, 08:55 AM   #5
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There's one on my inlet for Weber carbs.


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Old 15-07-2017, 11:13 AM   #6
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Default Manifold

Hi Pikey, did it come like that or did you have to get it separately?
Many thanks.
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Old 15-07-2017, 09:24 PM   #7
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I bought it second hand and it came with it mate. It's just like a fitting that screws in the manifold, and the water pipe connects onto that


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Old 16-07-2017, 07:31 AM   #8
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Default Manifold

Pikey, yea thought as much.Ive mailed SBD but nothing have not got a reply as yet. Many thanks.
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Old 17-07-2017, 02:19 AM   #9
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Quote:
Originally Posted by Pikey View Post
I bought it second hand and it came with it mate. It's just like a fitting that screws in the manifold, and the water pipe connects onto that


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hi men,
whats this water pipe doing? dose it have a use?
so pike? you have a weber inlet manifold that is water heated?
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Old 17-07-2017, 07:38 AM   #10
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Default Manifold

Maybe I can clarify this issue a bit better. Up front I will say I do I know which way the water flows. On the standard setup water goes through the inlet manifold from the head to the water pump or from the water pump to the head via the inlet manifold. On the SBD manifold I have a large tapped hole for for a pipe fitting to go in to. SBD don't seem to list these fittings so I was going to use the one from the standard set up. However when I removed the standard fitting I found it was a push (interference) fit and not threaded. The water gallery must be there for a reason so am hoping to get some help as to what is needed/a way around the problem.

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Old 17-07-2017, 10:51 AM   #11
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call SBD they do stock the part you are after
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Old 18-07-2017, 05:51 AM   #12
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Default Manifold

I have contacted SBD and was awaiting a reply. As it turns out they changed the design a while ago and do not have this on the new one, and as such they do not make or carry any parts for the old one. They were able to tell me that it a 3/4" BSP hole/ thread so I will be able to get something to fit. Cheers for the comments.
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