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| Strange port at the back end of my cylinder head? What is it https://slantsix.org/forum/viewtopic.php?t=33334 |
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| Author: | Adrenalin [ Thu Jan 15, 2009 3:09 pm ] |
| Post subject: | Strange port at the back end of my cylinder head? What is it |
Dear all, i have replaced my cylinder head since i saw that it was not worth repairing. After few port and polish i assembled the head and start the engine. There was loud sound and smoke, when i checked the engine i saw that there is a port (hole!) at the back end of the head, just after the exhaust manifold. There is only one tapped hole for a screw and a port that seems to be open to exhaust.is this a sensor place or, what is it? My old previous head did not have it, maybe something changed in newer models? Heeeeeeelp, i do not know what to do |
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| Author: | slantzilla [ Thu Jan 15, 2009 3:16 pm ] |
| Post subject: | |
That is where the tube from the AIR pump attaches. In your gasket set you will have a somewhat tear-dropped shaped gasket with a couple holes in it. Use it as a template to make a cover out of 3/8" plate and bolt it on. Blocking the hole will hurt nothing. You could also drill and tap it for a pipe plug. 
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| Author: | sandy in BC [ Thu Jan 15, 2009 5:52 pm ] |
| Post subject: | |
I have just cranked a pipe plug into the hole. |
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| Author: | SlantSixDan [ Thu Jan 15, 2009 9:28 pm ] |
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Please see here for full info on this port. |
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| Author: | Adrenalin [ Thu Jan 15, 2009 10:17 pm ] |
| Post subject: | |
I am very happy to get answers this quick. You all have been a great help, thank you. Today I will tap it and bolt a plug in. Thank you again. |
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