valve cover bolt hole depth on SBC aluminum heads ?
Anyone know how deep the 1/4-20 taped holes for the valve cover bolts are in an average set of aluminum small block heads ?
I used to know this stuff off the top of my head but after almost 20 years of marriage, two kids, etc, etc. I fear I've lost most of my mind and of course my wallet.
The Garlic Capital, Gilroy,CA
(sold June 15,2014) 1968 RS convertible that is not quite stock
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