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Old 06-22-2022, 03:43 PM
unruhjonny's Avatar
unruhjonny unruhjonny is offline
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Join Date: May 2004
Location: Calgary, AB, Canada
Posts: 6,232
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if my memory serves me you should absolutely have two brackets.
I believe the set up was essentially the same from 73-75(??)...
IIRC the rear bracket used a studded front thermostat housing bolt as a mounting point - and one or two studded intake manifold bolts on the drivers side head.

Here's a couple image links I just found for you:

1974 SD455 image

1975 Trans Am

__________________
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)