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Lighting headers
Iam installing a set of lighting headers on my 1984 wellcraft excalibur that is equiped with a 330hp 454. My question is what water hoses do I connect to the headers? Do I use the hoses that go to bottom of the stock manifolds or the hoses that go to the stock risers?
Erik |
The hoses that go to the bottom of the manifolds are the water dumps for the engine after the thermostat has opened. The ones that go to the risers are the bypass hoses to keep the water flowing when the thermostat is closed. You need to hook both sets of hoses to your lightnings. If you only have one inlet in the headers, then you must use a Y and tie the two hoses from the engine together and run one line to the headers.
Eddie Marine sells them, but they do not have them on their website. The part # is EMI-131. It is a Y fitting that will turn your 4 hose system into a 2 hose system and will still allow the exhaust to get water all the time. I'm sure others sell them to. They aren't very exspensive. Hope this helps, Eddie. |
Originally Posted by Young Performance
(Post 2831407)
The hoses that go to the bottom of the manifolds are the water dumps for the engine after the thermostat has opened. The ones that go to the risers are the bypass hoses to keep the water flowing when the thermostat is closed. You need to hook both sets of hoses to your lightnings. If you only have one inlet in the headers, then you must use a Y and tie the two hoses from the engine together and run one line to the headers.
Eddie Marine sells them, but they do not have them on their website. The part # is EMI-131. It is a Y fitting that will turn your 4 hose system into a 2 hose system and will still allow the exhaust to get water all the time. I'm sure others sell them to. They aren't very exspensive. Hope this helps, Eddie. Thanks Erik P.S. I have been googleing this and seen a few boat with just one hose going to each header, no two hoses into one then to the header. How are they getting away with this? |
prob.not running a T-stat under the 2-hose H2O exit housing. have any pic's ? or do as Eddie suggests, use the Y fitting.
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Originally Posted by crapr6
(Post 2831762)
What about if I hooked up the hoses that go to the risers since they are the bypass hoses and will allways have water running thru them even if the T-stat is closed and then cap off the hoses that would have gone to the bottom of the manifolds? What would happen if I did it this way?
Thanks Erik P.S. I have been googleing this and seen a few boat with just one hose going to each header, no two hoses into one then to the header. How are they getting away with this? Eddie |
Well here is some pics of the t-stat housing and how its set-up.
http://i126.photobucket.com/albums/p...8367060149.jpg http://i126.photobucket.com/albums/p...8367078916.jpg Now I have to replace the intire unit because it is rotted bad and really want to get rid of the hoses that aren't needed anymore. I want to replace the intire unit with this peice from KE http://www.keitheickert.com/detail.aspx?ID=8894 But it only has the 2 outlets and not the 4 outlets like mine has. Will the KE T-stat housing work? Erik |
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