In respect to the conversation, I have understood the following to be true:
1Qxx = January through March
2Qxx = April through June
3Qxx = July through Sept
4Qxx = October through December
the better part of twenty years ago I was helping my cousin go over his low owner '71 TA;
As I recall it had plugs wires from two different quarters on it;
Many wires were nearly rock hard - which was why they were being replaced.
I believe I kept the coil wire, and have collected the odd date coded OE/SR delco/packard wire(s) when I have stumbled across them.
I currently have:
coil wire: 2Q71
coil wire: 4Q71
coil wire: 4Q77 (longer obvious replacement)
one @ 1Q70
one @ 3Q92 (obvious replacement)
two @ "EASTERN LIGHTING TVR-SUPPRESSION" (I am probably wrong, but I seem to recall these being taken off a 70-71 engine that looked stone stock)
I also have a nearly full roll of HEI wire dated 2Q87.
Original date coded stuff like this is a small fascination of mine.
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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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