I always thought the redo was just so there were not so many different length head bolts like the early ones. I've got early on my 78 as well as the IA motor and "knock on wood" no leaks! And my first set KRE tubed the crap out of them pushrod tubes and head bolt holes in the common wall. Kind of a shock when I got them back!
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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 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
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