although I don't think it has been mentioned in this thread, I believe that extended 1969 model year cars were being built - at least they were for the Firebird;
I believe the change over happened in January.
I re-read this thread, and had guessed that if nothing else looked out of place, odds are it was a stamping error.
I would wager that no one who was restamping a block would stamp a 1970 model year engine as a "9", and no one stamping an engine for a 1969 vehicle would use a 1970 casting.
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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.
1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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