Glad you found the culprit(s)
All of my E heads have the rocker stud hole into the intake port. First run set I had instructions did not mention sealing threads and at a long idel it would puff smoke. Using Permatex #14 on threads and a blob under the stud hex never and issue. I also put a blob under the head bolt washer on the set KRE sleeved that hole.
SBC Fast burns go into intake port their factory stud has a built in washer under the hex I guess helps seal it.
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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune [email protected]
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
1964 Corvette Coupe 327 4 speed
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