113/zz4 head combustion chamber question
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From: Westmont, Il.
Car: '91 Corvette coupe
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113/zz4 head combustion chamber question
The 113 alum heads have a small "nub" cast into the cumbustion chamber by the spark plug. Does this serve a purpose? Should I remove it as part of my porting project? Thanks.
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From: The Pocono Mountains, PA
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Re: 113/zz4 head combustion chamber question
i asked the same Q and was told NO adamantly they say it is important for combustion
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