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Author Topic: Original long bolts for 1969 L/78 motor mounts  (Read 13205 times)
nuch_ss396
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« on: February 13, 2009, 11:49:56 PM »

Big block Camaro's had a unique motor mount that used a threaded receiver on one side.  This meant that a nut was not required to secure the long bolt.



I have an original pair of these rare motor mounts and I will be hunting the correct original bolts that were used in conjunction with these mounts.  Can anyone
post information on these bolts?  I need to know correct head markings, overall length, bolt head style, etc........  An image or two would be fantastic.

Can anyone shed any light?

Nuch
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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #1 on: February 22, 2009, 01:30:33 PM »

Just a follow-up to my original post on this topic.  I was surprised by the number of views, but
no responses.  Huh I did get a few PM's though.  Many thanks for those.  Maybe the correct original
setup is more rare than I thought.  In any event, I have been eagerly looking into this on my
own and I've purchased several original correct items ( I believe ) over the past two weeks. 

Shortly, I will post more images to show all of the original components in the original big block
motor mount setup.  These will include frame mounts, motor mounts, stop bracket, standard
long bolt & washer for passenger side and odd-ball longer bolt, lock washer, flat washer, bushing,
flat washer setup for the drivers side.  I'll have some questions for the group once I post everything.

Through all of this I was able to finally make sense of the AIM page on this topic as well.  Grin

Steve
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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
Pex68
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« Reply #2 on: February 22, 2009, 01:38:06 PM »

Thanks Steve, interested to see what you came up with!  Please keep us posted Smiley
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Chris P
1968 Sequoia Green SS 396/325 M20
nuch_ss396
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« Reply #3 on: February 28, 2009, 06:40:50 PM »

Here is the AIM page pertaining to the big block left hand motor mount assembly.
The part highlighted in red is the odd locking bracket I referenced initially.



Parts List:

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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #4 on: February 28, 2009, 06:44:30 PM »

Here is the AIM page pertaining to the small block ( Z/28 & SS-350 ) left hand motor mount assembly.
The part highlighted in orange is the small block version of the locking bracket.

 

Parts List:


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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #5 on: February 28, 2009, 06:47:46 PM »

Here is the AIM page pertaining to the standard 8-cylinder right hand motor mount assembly.

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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #6 on: February 28, 2009, 06:51:12 PM »

I will be posting images of the motor mount components shortly.

Nuch
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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #7 on: February 28, 2009, 07:35:19 PM »

Original big block left hand motor mount assembly:





Close-up view of bolt & locking bracket assembly:

« Last Edit: February 28, 2009, 08:02:00 PM by nuch_ss396 » Logged

69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #8 on: February 28, 2009, 07:38:53 PM »

Original 3950113 left hand engine frame bracket:


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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
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nuch_ss396
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« Reply #9 on: February 28, 2009, 07:41:24 PM »

Original motor mount ( NOS ) 3920627:



Close-up of threaded receiver:

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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #10 on: February 28, 2009, 07:42:46 PM »

Original stop bracket 3977983:



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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #11 on: February 28, 2009, 07:47:14 PM »

Original big block right hand motor mount assembly:





Close-up view of bolt:





« Last Edit: February 28, 2009, 08:02:46 PM by nuch_ss396 » Logged

69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #12 on: February 28, 2009, 07:50:21 PM »

Original 3950114 right hand engine frame bracket:






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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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« Reply #13 on: February 28, 2009, 07:52:03 PM »

3950113 & 3950114 engine frame bracket comparison ( notice the height difference - left side is taller ):

« Last Edit: February 28, 2009, 08:03:29 PM by nuch_ss396 » Logged

69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
nuch_ss396
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Posts: 265



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« Reply #14 on: February 28, 2009, 07:55:34 PM »

Original long motor mount bolt components ( SEE PART LIST FOR NUMBERS ):





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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

Steve A.
  CRG
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