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| Stock Cylinder head thickness - head to valve cover? https://slantsix.org/forum/viewtopic.php?t=56586 |
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| Author: | spacecommander [ Thu Nov 20, 2014 11:09 am ] |
| Post subject: | Stock Cylinder head thickness - head to valve cover? |
Hello, head is dropped off at machine shop. What is the stock head thickness from the head mating surface to the valve cover on a drool tube head? I need to know if it has been machined before - I want to have .065 milled off. . .Thanks! |
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| Author: | spacecommander [ Thu Nov 20, 2014 12:54 pm ] |
| Post subject: | |
Found it here after a bit. 3.595 to 3.606 |
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| Author: | DusterIdiot [ Thu Nov 20, 2014 4:09 pm ] |
| Post subject: | If... |
If you installed O/S valves or did chamber work, you will have to CC the head, as that work has a tendency to change the volume compared to just using a stock head with no valve work...If you are having this kind of work done, head thickness won't matter, CC the head, apply the .0066=1cc rule to the cut and adjust the cut per your SCR calculation. Good Luck, -D.Idiot |
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| Author: | spacecommander [ Thu Nov 20, 2014 6:47 pm ] |
| Post subject: | Re: If... |
Quote: If you installed O/S valves or did chamber work, you will have to CC the head, as that work has a tendency to change the volume compared to just using a stock head with no valve work...If you are having this kind of work done, head thickness won't matter, CC the head, apply the .0066=1cc rule to the cut and adjust the cut per your SCR calculation.
Ok, will do. Yes, OS intake and yes a tiny bit of chamber work. Wanted to make sure the head hadn't been cut before. I'll get a chamber volume after they put in the new valves.
Good Luck, -D.Idiot |
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