Author Topic: correct 67 early 68 subframe bolts  (Read 2965 times)

67conv6cyl

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correct 67 early 68 subframe bolts
« on: February 22, 2013, 10:43:34 PM »
Does anybody know where to get correct 67 or early 68 sumframe bolts?  These bolts have a recessed middle section on bolt head.
« Last Edit: February 22, 2013, 11:56:11 PM by 67conv6cyl »

MyRed67

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Re: correct 67 early 68 subframe bolts
« Reply #1 on: February 23, 2013, 04:41:57 AM »
  I wish you  luck in finding these Bolts, part #3912533 are the 4 Body mount Bolts.  I "ground up"  restored a '67 last year, and could not find them anywhere.  I cleaned up my old ones the best I could(they were not in too bad of shape) and put them back in.  I would like to replace them if I ever found correct ones.   I have AMK Catalog, they have the correct (2) part #3914816 for the Radiator Support, but not these (4).
 HBcity has this kit;
http://www.heartbeatcitycamaro.com/store/product/19631/Camaro-Subframe-%26-support-bolt-kit-1967-1968/
  The 2 for Radiator Support seem right, but again the (4) Body Mount bolts seem to have the wrong head (the bolt shank seems correct and pointed) they have all the correct part #'s.    Good Luck!
1967 Camaro  LOS  11A
Original Engine   Z - Tribute
Mike C.    NW - Illinois

68camaroz28

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Re: correct 67 early 68 subframe bolts
« Reply #2 on: February 24, 2013, 01:08:50 AM »
Pictures of our 68 01B hardware here, post #30 http://www.camaros.net/forums/showthread.php?t=182584&page=2
As already mentioned the front sub-frame hardware available is the same but most of what I have observed for the other mounts seemed to be RBW head marks. Try to find nice used ones and glass-bead/re-phosphate. That is what I did but also utilized a few donors sent to me from a great team camaro member as he was doing a suspension change. Resto-mods and touring cars are extremely popular and many set-ups do not use them so they can be found. On the other hand, NCRS judges have told me and JohnZ has mentioned often the main thing is the configuration and coating be correct, not a certain head marking.
Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

67conv6cyl

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Re: correct 67 early 68 subframe bolts
« Reply #3 on: February 24, 2013, 01:31:06 AM »
Thanks Chick, I did post on that sight already.  They are not that easy to find.  I guess nobody is reproducing that style. Does anyone have a picture of a original one that they could post?

Paul

MyRed67

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Re: correct 67 early 68 subframe bolts
« Reply #4 on: February 24, 2013, 07:13:43 AM »
  I searched back through all my picture files, I thought I might have a picture of these bolts from when I restored them, no luck.  I can tell you that the 4 body mount bolts LOOK exactly the same as the 2 Radiator Support bolts; point on the end, a raised shoulder near the head, and a flanged head that is indented.  Maybe when I get under the car (in the spring) I can get a pic. of the head markings.
1967 Camaro  LOS  11A
Original Engine   Z - Tribute
Mike C.    NW - Illinois

67conv6cyl

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Re: correct 67 early 68 subframe bolts
« Reply #5 on: February 24, 2013, 01:29:52 PM »
Chick thanks, I see your link has some good pictures, now that I scrolled down through it all.

firstgenaddict

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Re: correct 67 early 68 subframe bolts
« Reply #6 on: February 24, 2013, 04:55:54 PM »

I have NEVER seen any 67-68 reproduction set which includes ALL of the pieces (missing the 2 push(speed) nuts for retaining the rad support bushing assemblies and the 4 spring washers for the 4 body positions) much less all of the pieces being correct. 

 
The correct body bolt set up for 67 68 utilizes the spring washer as indicated in the assembly manual (68 Manual P. 51,  UPC 1,  Sheet D1, item#15 PN 3914049 Washer-Spl Spring) and shown in the following photos (silver) PLUS the push or speed nut same sheet item #7.







I have seen hundreds and hundreds of cars which have never had their subframes removed and have never seen a 67-68 which did not have spring washers in positions 2 & 3.



As an aside: I did not take notice of this initially, however through out my 48 month non scientific study and recollection (worth what it will purchase) recalls LOS cars having indented head bolts in positions 2 & 3 where as the NOR cars had RBW's like pictured.
 

IMHO this has not been covered in enough detail and there are FAR TOO MANY CARS which are NO WHERE CLOSE to being correct. 


 

James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://plus.google.com/photos/112392262205377424364/albums?banner=pwa

Sauron327

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Re: correct 67 early 68 subframe bolts
« Reply #7 on: February 24, 2013, 05:30:45 PM »
As an aside: I did not take notice of this initially, however through out my 48 month non scientific study and recollection (worth what it will purchase) recalls LOS cars having indented head bolts in positions 2 & 3 where as the NOR cars had RBW's like pictured.[/i] 

IMHO this has not been covered in enough detail and there are FAR TOO MANY CARS which are NO WHERE CLOSE to being correct. 

My LOS '67 has the indented head bolts and all correct washers. The NOR '67 I'm doing has the flat head RBWs as shown, also with correct washers.

68camaroz28

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Re: correct 67 early 68 subframe bolts
« Reply #8 on: February 24, 2013, 08:19:09 PM »
Our washers and sizes off our 68.


Side view of bolts (bottom bolt for sub-frame to rad. support. Many of the older repro kits had bolts that did not even have the large chamfer which could be noted missing when the hood was lifted.
Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

firstgenaddict

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Re: correct 67 early 68 subframe bolts
« Reply #9 on: February 24, 2013, 09:49:37 PM »
As an aside: I did not take notice of this initially, however through out my 48 month non scientific study and recollection (worth what it will purchase) recalls LOS cars having indented head bolts in positions 2 & 3 where as the NOR cars had RBW's like pictured.[/i] 

IMHO this has not been covered in enough detail and there are FAR TOO MANY CARS which are NO WHERE CLOSE to being correct. 

My LOS '67 has the indented head bolts and all correct washers. The NOR '67 I'm doing has the flat head RBWs as shown, also with correct washers.


You are saying that your direct observations corroborate mine, correct?

James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://plus.google.com/photos/112392262205377424364/albums?banner=pwa

Sauron327

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Re: correct 67 early 68 subframe bolts
« Reply #10 on: February 25, 2013, 12:10:09 AM »
As an aside: I did not take notice of this initially, however through out my 48 month non scientific study and recollection (worth what it will purchase) recalls LOS cars having indented head bolts in positions 2 & 3 where as the NOR cars had RBW's like pictured.[/i] 

IMHO this has not been covered in enough detail and there are FAR TOO MANY CARS which are NO WHERE CLOSE to being correct. 

My LOS '67 has the indented head bolts and all correct washers. The NOR '67 I'm doing has the flat head RBWs as shown, also with correct washers.


You are saying that your direct observations corroborate mine, correct?



Correct.

67conv6cyl

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Re: correct 67 early 68 subframe bolts
« Reply #11 on: February 25, 2013, 01:50:10 AM »
My 67 norwood car has original indented heads on all 4 subframe mounts, similar to the core support bolts only bigger.

firstgenaddict

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Re: correct 67 early 68 subframe bolts
« Reply #12 on: February 25, 2013, 02:08:02 AM »
If we are going to start providing Data Points could we get a std format going


Year Model  --  Plant(N/L)  --  Build Date (alpha num)  --  Type(I/F)  --  Spring Washers(Y/N)
James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://plus.google.com/photos/112392262205377424364/albums?banner=pwa

luv2sixty9

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Re: correct 67 early 68 subframe bolts
« Reply #13 on: February 25, 2013, 04:05:51 PM »
Paul,
I'll post some pics as a reference later this evening for you of the elusive bolts your looking for. Dave
1967 Z/28 Butternut Yellow
1969 Z/28 Rally Green
1969 RS Z/28 Lemans Blue
1969 RS Z/28 Olympic Gold
1969 RS SS Pace Car
2010 Aqua Blue 2SS RS

68rs327conv

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Re: correct 67 early 68 subframe bolts
« Reply #14 on: February 28, 2013, 03:08:19 AM »
I purchased these used over the years, they are suppose to be for a 67, body mount positions 2 and 3.  I discovered the 68's had a different head.  Can anyone with a 67 confirm these are correct?  They also have the RBW head markings still visible on some.

Mike
Mike
68 RS Conv 327/210hp, Powerglide Factory AC