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PY Online Forums - Bringing the Pontiac Hobby Together > Classic TECH- specs, codes, resto issues FORUMS > 70-73 Firebird & TA TECH > did anyone else here see this listing?
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Old 03-06-2025, 08:20 AM
grd777 grd777 is offline
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Originally Posted by unruhjonny View Post
a metal tail panel in apparently good condition...

It's sure a neat piece, but I wonder how much someone is really willing to pay for it.

eBay link
could it be made out of pot metal

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Old 03-06-2025, 10:12 AM
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unruhjonny unruhjonny is offline
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could it be made out of pot metal
that is precisely what the early parts were made of.

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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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Old 03-06-2025, 11:13 AM
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Shiny Shiny is offline
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That is a large casting, so probably a significant tooling investment.

Makes me think the change had something to do with manufacturing challenges (cost).. casting defects, bad yields, high finishing costs, or maybe they got broken during assembly, or ????

Doesn't make sense to me they would tool a large casting just to fill in while they finished development an SMC? part... why not just use prototype SMC?

Regardless, cool to see the part and learn about the quick switch. Would love to hear the reasons.

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