#1  
Old 12-10-2024, 01:02 PM
unruhjonny's Avatar
unruhjonny unruhjonny is offline
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Join Date: May 2004
Location: Calgary, AB, Canada
Posts: 6,835
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if that is the part that's been on your engine since 1972 when you first got it, I'd leave it as-is.

That's just my opinion.

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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)
  #2  
Old 12-11-2024, 12:43 AM
hgerhardt's Avatar
hgerhardt hgerhardt is offline
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Join Date: Dec 2003
Location: CA
Posts: 697
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It probably came with the '67 pulley as original. My '66 GTO (Fremont) was built 5th week July '66 and came with several '67 parts. LH inner fender with the bigger recess for the '67 brake booster, shoulder belt anchors, THM400 bolt holes in the frame (but with open-ended upper spring pockets), and a few other details I can't remember at the moment. Bought the car from the original owner in '87 and it hadn't been touched, ever. Original paint and 87k miles with a seized engine (he apparently never bothered to change or check oil either).

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