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Author Topic: Fan Shroud Upper Bracket  (Read 4827 times)

cook_dw

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Fan Shroud Upper Bracket
« on: June 12, 2022, 11:15:56 PM »
Couple Camaro buddies and I were discussing upper brackets and the question came up.  When or did production transition to the clip nut from the fixed nut.


Please provide production date, plant & engine option.  We can get more detailed from there if the data shows anything more.


Photo 1 is the 2 versions side by side.

Photo 2 - 68 12D LOS small block

Photo 3 - 68 03D NOR big block

I realize 69 big block is a different bracket so just looking for 69 small block photos in this discussion.


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David K

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Re: Fan Shroud Upper Bracket
« Reply #1 on: June 12, 2022, 11:40:24 PM »
My 68 has the nut, and it’s an11E car. It’s also a 6 cylinder.
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rare396bronze

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Re: Fan Shroud Upper Bracket
« Reply #2 on: June 20, 2022, 02:09:10 AM »
Both 68's 06a Nor 396 and 06b Nor 327 nut type. Also checked in 1969 partsbook and 67,68 and 69 assembly manuals two different part #s. 3893831 67-68. 3938612 69. 67-68 assembly manuals look like nut! 69 not good picture might be clip nut. Maybe some one with a 69 might confirm.
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KevinW

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Re: Fan Shroud Upper Bracket
« Reply #3 on: June 20, 2022, 02:55:48 AM »
I have 2 69s, both with the clip nut.
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x66 714

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Re: Fan Shroud Upper Bracket
« Reply #4 on: June 20, 2022, 03:04:42 PM »
02E Z/28, Los Angeles built 3/13/1968 has straight cut end with nut like #3.....Joe
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See America's First, Chevrolet

1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO. Purchased March 1976
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E. Purchased April 1981

cook_dw

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Re: Fan Shroud Upper Bracket
« Reply #5 on: June 22, 2022, 10:17:33 PM »
Thanks gentlemen. Great info & keep it coming as it appears from Sport’s searching on part numbers that 69 was the changeover.  Would like to confirm when.  Thanks!
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ric1969

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Re: Fan Shroud Upper Bracket
« Reply #6 on: June 27, 2022, 11:48:55 AM »
  I have two 69s , both are clip nut Los 01B and 02B
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x77-69z28

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Re: Fan Shroud Upper Bracket
« Reply #7 on: June 27, 2022, 10:55:05 PM »
My 05A car has a fixed nut. Owned it since 78, pretty sure it’s original.
Buddy
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69 Z/28 X77 burnished brown, 711 int 05A bought in 78
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
15 z/28 Arctic white, A/C 505 HP #251

cook_dw

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Re: Fan Shroud Upper Bracket
« Reply #8 on: June 28, 2022, 11:51:33 AM »
Interesting Buddy.  Thanks for the info!  We need more data points; so guys, when you have a chance buzz that bolt out and slide that shroud back a little and take a peak and report please.

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169INDY

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Re: Fan Shroud Upper Bracket
« Reply #9 on: June 28, 2022, 04:05:53 PM »
68 12D LOS Small block  (Missing) [Z28]

68 12E LOS Big block  (Fixed-Weldnut)  [L35]

69 04C LOS Small block  (Clip-J Nut)    [L48]

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Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS

David K

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Re: Fan Shroud Upper Bracket
« Reply #10 on: July 09, 2022, 04:23:18 AM »
My 68….11E …..6 Cylinder
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