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Old 03-15-2012, 07:48 PM
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Switching Valves

Earlier I talked about using 14014416 heads on my 84 vette.
Well now I def have to cause my 3998920 heads that came off the vette one has a crack in it. I am going to switch out the valves cause the vette valves are bigger than the 416 valves. Do i have to modify the heads to switch the valves???????

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Old 03-15-2012, 08:29 PM
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Yes, the valve bowl/pocket has to be cut, the chamber relieved and a new seat established.
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Old 03-15-2012, 08:35 PM
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Its not worth the hassle or cost.
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Old 03-15-2012, 11:22 PM
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Moving to the Basics forum.
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