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Old 03-17-2009, 05:18 PM
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Water neck

two piece alum. water neck made for summit with a O-ring any good

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Old 03-17-2009, 06:16 PM
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has any one had any experience with on of these.

http://beta.summitracing.com/parts/SUM-371100/
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Old 03-17-2009, 08:26 PM
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yeah they're good

They work real well for repositioning upper hose with non-stock rad. Good quality, the O-ring is great cuz you don't have to peel a gasket when you change your thermostat. They're made of pot metal, not billet Al but it's real good quality.
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Old 03-17-2009, 09:07 PM
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Quote:
Originally Posted by Badazz93
has any one had any experience with on of these.

http://beta.summitracing.com/parts/SUM-371100/
just gave one away the other day.sometimes they wont seal properly it has happened to me and i have seen it happen to others.i like the stock unless there is some reason why i cant use it.but if you do try it and if it does leak take the o ring out throw it away take sand paper and rough up the surface of the water neck get a stock gasket to replace the o ring and install your thermostat.and you should be ready to go. sometimes pretty aint so pretty.Cole
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Old 03-17-2009, 09:33 PM
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I think if the manifold surface is dead flat with no pitting the O ring will work fine. First one I used i didn't trust it and used gasket and sealant, it leaked anyway. Second one i just said WTH and slapped on the o ring, not a drop. Difference was the sealng surface.
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Old 03-17-2009, 09:37 PM
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Quote:
Originally Posted by MorrisonLC
I think if the manifold surface is dead flat with no pitting the O ring will work fine. First one I used i didn't trust it and used gasket and sealant, it leaked anyway. Second one i just said WTH and slapped on the o ring, not a drop. Difference was the sealng surface.
i have tried them on all new intakes and still leaked.the one i gave away the other day he put it on and it leaked he roughed up the surface on the housing put on the gasket and it was fine.i have seen them work and seen them not work.but i see what you are saying. cole
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Old 03-17-2009, 10:37 PM
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In my opinion they suck. The flange is very soft and tightening it down bends it. I know its like 3/4" thick, but its soft. I put mine on and it leaked, so I took it off and sanded it flat using emory cloth on a piece of glass. Still leaked. Checked it on a straightedge and it was bent again. Tried sanding it flat again, still leaked and its bent again.

Junk if you ask me. I threw it away and bought an old-school cast iron neck and did it the old fashioned way.
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Old 03-18-2009, 08:40 AM
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pretty good thread, cause I just went on a mental adventure thinking about the difference of the two types of sealing of this part... My conclusion on the matter and will find out if true or not this weekend is the following..

I have decided that the best way to get over the sealing or not sealing of the O ring type of neck IS TO TORQUE the bolts ............. why ? to make the clamping pressure of the part even, and therefor providing a good seal of the O ring.. All the goo in the world will distort the area to be sealed and therefor not produce a good seal .........

As said above I will see very shortly if I am on point, and I have a clue I am there just need to prove it ..
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Old 03-18-2009, 09:03 AM
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I didn't torque mine, just firm tight with allen wrench. It would be pretty easy to overtighten and bend. Make sure you draw down both sides together. I didn't get it for the looks and would prefer a stock one but I really needed the adjustable feature of it. Works great for that.
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Old 03-18-2009, 09:35 AM
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Did you see the O rings listed at the right of the page? $5.69 for 2.
http://beta.summitracing.com/parts/BSP-RP9011/

What a rip-off.
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Old 03-18-2009, 10:03 AM
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I have used them,Never had any trouble..
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Old 03-18-2009, 10:13 AM
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Yeah, Summit is pretty much that way. I got both of mine from the local speed shop for less, identical o rings are at Lowe's in the plumbing aisle for .89
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Old 03-18-2009, 11:59 AM
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Quote:
Originally Posted by pepi
I have decided that the best way to get over the sealing or not sealing of the O ring type of neck IS TO TORQUE the bolts ..
Re-read my post directly above yours. If you torque it, the flange will bend. The rubber O-ring is stronger than the aluminum flange. Instead of evenly clamping, its like torquing it down with a toothpick in the way. It just bends.
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Old 03-19-2009, 01:44 AM
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True enough if you do not know how to use the tool and consider the amount of pressure you are putting down.. Big hammers do the same thing distort objects ..................... but a hammer with the right touch will work wonders..

On my other hotrod I use the bypass to the rear cylinders which has an aluminum block sandwiched in between the water neck and intake, got no problems with leaking, but did use the torque wrench when I redid the intake. Driving it 10 years now, so back off on the mussel and let the tools do the work, there is such a thing as too tight ................. believe it or not..

Last edited by pepi; 03-19-2009 at 01:54 AM.
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Old 03-19-2009, 02:54 AM
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In my opinion, a flashy, Chinese (or other off shore), volumn made part. I learned a long time ago that factory engineers, who design OEM parts, actually do know what they're doing, and that's hard to improve on; it is possible to copy and/or try to overengineer a part such as a thermostat housing, only to have it cheaply copied and sold in mass quanities. For a GOOD design, go to the street rod oriented parts vendors, costly for sure, but, you get what you pay for. Take your pick, a cheaply made, pot metal casting, or a true billet, brushed metal, polished, stainless steel part.
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