Yeah, I have had a few leads in the past on 67 L72 coded big car blocks, but they never got anywhere. Check out this scan I made out of the 67 owners manual a while back showing a 6000RPM redline tach. Kind of makes you wonder!
Steve
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Steve
68 SS427 Custom Coupe 427/385/M21/3:73
68 Impala Custom Coupe 427/425/M21/3:73
68 Biscayne 2 Door 250/3 speed
68 Caprice Estate
68 Camaro SS396 4 speed