I think we have confusion on which Underwood installed the KRE Heads. Dave has E-heads and has already dipped into the 11's in his 76 455/4 speed TA. His brother Rick won the KRE heads and swapped them for the 6X heads on the 400/auto in his 71 GTO convertible. The ET numbers posted Cliff are what Rick provided to me a couple of weeks ago.
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66 Corvair Corsa - not so stock
74 Formula 400/4 sp - stock
79 TATA - almost stock
78 TA - owned it since new - not so stock (11.28 at 118.6)
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