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Valve Cover Breather hole diameter

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Old July 14th, 2013, 07:46 AM
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Valve Cover Breather hole diameter
Can anyone tell me the diameter of the hole in the original 350ci valve covers? When I measured I got about 1.125" but Summit skips right from 1.000" up to 1.220 & 1.250"
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Old July 14th, 2013, 08:05 AM
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I believe the standard is 1.25.
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Old July 14th, 2013, 09:42 AM
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Will I have to remove the original grommet to get the new breather to fit?
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