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Author Topic: 1967 Camaro radius rod research  (Read 15146 times)
KurtS
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« on: January 23, 2010, 10:04:17 AM »

I just updated the radius rod article, http://www.camaros.org/radiusrod.shtml, with new pics (thanks Ron!) and new information. But we really don't have a lot of clarity in the data, especially for the first cars that used radius rods.
We are looking for more information from any SS, Z, or L30/M20 that was made Dec 66 or later. Especially SS350 cars made in December or January and L30/M20 cars made in December thru March.

You can email the information below to either me or Daniel (CamaroDan@juno.com) or to post it on this thread.
The information that we're looking for is:
1) Build date
2) Model (SS350, L35, L78, Z28, or L30/M20)
3) Does your car have a radius rod? If so, round or rectangular?
4) If not, does it have either the body bracket or the axle bracket?
5) VIN (Feel free to email if you don't want to post it. We need to the VIN to be able to sort and reference the data. It will not be published or released in any form.)

Helpful extra credit (esp for the early SS350 and L30/M20 cars). Smiley
6) Axle date (e.g. QJ0421G1). See http://www.camaros.org/drivetrain.shtml#axle for the location.
7) Do you have any documentation for the car?

Thanks for the help!!
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Kurt S
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« Reply #1 on: January 24, 2010, 11:44:34 AM »

The report still could use a better pic of the round bar installed in a car (same angle as the rectangular bar would be great) and some pics of the axle brackets (without a rod installed).
If anyone has a dealer-added bracket/rod, that might be a good pic too. Not sure if pics would show the differences though.
Thanks!
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Kurt S
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« Reply #2 on: January 24, 2010, 12:14:04 PM »

My car is in pieces so I will get all I can for you.

Buddy
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philip
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« Reply #3 on: January 24, 2010, 04:17:19 PM »

i have send you the caracteristic of my 67 convertible L30M20.( 129824)
chevrolet camaro F32712667         ST 67 12667 nor 30510
                  TR 765Z      c-2
                  XDL 2LG 3L
                  5BO

124677N129824

moteur T1102MK: t tonawada 11 novembre 02 le 02 novembre MK 327 275HP de 67

boite de vitesse R7R06: R = 4-speed Saginaw model du 06 octobre 66

pont : PE1004G( ou C ou 6?)
     E
rapport 3.08 10 bolts positraction

CARBURATEUR ROCHESTER QUADRAJET 7027203 DZ 97

            DP29865
i can say that i have a 10bolts rear axle with positraction 3.0_ ratio and i have no rod neither support on the axle or the body
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convertible 1967.12467
RPO: A02-A31-A67-B37-B93-C06-D55-G80-J50-J52-K02-L30-M11-M20 
N33-N40-N61-U17-U18-U25-26-27-28-29-V31-V32 Z21-Z22-Z87
KurtS
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« Reply #4 on: January 24, 2010, 09:50:53 PM »

Buddy,
Do you still have the maroon BB?

Philip,
They didn't install a rod on 10 bolt axles and the L30/M20 didn't get a 12 bolt until a couple of months after your car. Thanks!
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Kurt S
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« Reply #5 on: January 24, 2010, 11:30:14 PM »

Kurt I think you have all the information on my L30/M20 vin#124377L150010. If not let me know and I will get you all I have. Wes
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KurtS
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« Reply #6 on: January 31, 2010, 12:01:40 AM »

Wes,
Yup, both brackets were there, but no rod.

David,
Thanks for the axle bracket pics!
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Kurt S
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« Reply #7 on: January 31, 2010, 11:27:46 AM »


Yes, I still have the Maroon Big Block, Do you already have my info??

Thx
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KurtS
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« Reply #8 on: January 31, 2010, 05:27:47 PM »

Buddy,
You sent in the info 10 years ago, but we don't have any axle or rod info. I'll send you an email.
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Kurt S
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« Reply #9 on: April 03, 2010, 10:33:46 AM »

I am trying to verify if this is the original differential.  I snapped some quick pictures and tried to get some numbers

Build Date: 01C
SS350
No radius rod since I have had it
I will PM you my VIN
I have the POP only.  Havent found a build sheet (have not looked too hard yet).  
QL01116 (Q looks like an O)
















« Last Edit: April 03, 2010, 11:03:12 AM by 1967RS/SS » Logged

1967 RS/SS L-48
Van Nuys 01C
Joe
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« Reply #10 on: June 08, 2011, 06:30:51 PM »

I have the following info from my 67 L-35 Coupe

Build Date: 2-E

Round Radius Bar

7N185414

Rear: QU0221G

I have POP and some of the previous owners service records

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rs1967ss
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« Reply #11 on: July 18, 2011, 12:46:14 PM »

Build date- 2B 3L/4P L142305 has the bracket, no rod, no axle bracket. But my mystery is a 10 bolt rear! Could this original? The date lines up perfectly for the car
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Kelvin Scott 67 SS/RS350 Marina/Black/dlx Parchment VanNuys 02B
jcfcamaro
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« Reply #12 on: October 09, 2011, 08:15:15 PM »

Here are some pics of the floor of my 01c  4p car!!!  The motor,4spd, 12bolt,have been changed out so there is no longer a rod,but the plate and bolts are still there!!
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jcfcamaro
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« Reply #13 on: October 09, 2011, 08:16:16 PM »

inside the car
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jcfcamaro
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« Reply #14 on: October 09, 2011, 08:30:45 PM »

It's a 67
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KurtS
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« Reply #15 on: October 13, 2011, 09:58:47 AM »

I just updated the radius rod article with pictures that Ronald and David and David and Jared have sent me over the past few years. Some really nice shots of the axle brackets and now the floor bracket.
Photo credits appear when you hover your mouse over the picture - I think I got them all right. Smiley
http://www.camaros.org/radiusrod.shtml

Thanks guys!
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Kurt S
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« Reply #16 on: March 27, 2014, 11:05:57 AM »

Just spotted this 12A LOS L48 w/ PG on eBay.  States that it has the round radius rod but no pics or axle code.  From the ad:
"Front Disc brakes, 12 Bolt Posi, Round Radius Rod, R/S hideaway headlight assembly with relay board and wiring harness"

http://www.ebay.com/itm/Chevrolet-Camaro-Rally-Sport-Super-Sport-1967-camaro-rs-ss-350-/251483478160?forcerrptr=true&hash=item3a8d955890&item=251483478160&pt=US_Cars_Trucks

1967 RS/SS 350/295HP CAMARO

Clean California Title.

VIN: 124377L127692
COWL TAG:

12A                             M034
ST 67-12637 LOS-11557
TR 765-Z                  Y-2
      W 2MG 3L
      4P    5Y
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x77-69z28
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« Reply #17 on: March 27, 2014, 04:42:05 PM »

Kurt, you have the info on my car. I bought it from the original owner in 1984. It is an L48 m-20, 3.73 car. The original owner states that the car was recalled to install the radius rod. It is square, and they didn't use the brkt under the rear seat. There are two bolts and lock washers holding the front radius rod brkt.
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
Mike S
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« Reply #18 on: March 27, 2014, 04:50:29 PM »

 There should be 3 bolts holding the front bracket. Two against the floor and one to the side rail.

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
KurtS
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« Reply #19 on: March 27, 2014, 07:43:13 PM »

Pete,
That car was on ebay 2 years ago - same condition. I think that's a very early car.

Buddy,
Thanks, so noted.
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Kurt S
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luv2sixty9
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« Reply #20 on: May 21, 2014, 09:46:40 AM »

Does anyone know why or when the change of the axle bracket came to play on the Second Design - Rectangular Radius Rod. I've seen two versions, one have a press mark and the other having a hole drilled just above the side dimples? I'm surmising a June of 67 change.
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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
Mike S
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« Reply #21 on: May 21, 2014, 01:14:47 PM »

Does anyone know why or when the change of the axle bracket came to play on the Second Design - Rectangular Radius Rod. I've seen two versions, one have a press mark and the other having a hole drilled just above the side dimples? I'm surmising a June of 67 change.
 I assume the square was needed to handle the larger engine torque and also the additional snubber bracket added as a means to limit the rears travel due to spring wind. As for a transition period I don't know when. We can only get a rough approximate from the dates within the assembly manual but that's not exact when it hit the production floor.
  The two Camaros I have with original rears are one 'BJ' rear (3:07) stamp dated 0404 for a LOS 4B (April 13th per UOIT) dated trim tag and that has the round bar with no holes provisioned for an additional bracket. That car has the L35 w/TH400. The other rear is a 'QK' (3:31) stamp dated 0331 for a NOR 5B dated trim tag and that has the square bar with the additional bracket for the snubber. That car has the L35 w/4 speed.

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
luv2sixty9
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« Reply #22 on: May 21, 2014, 02:01:35 PM »

Mike,
Thats not what I'm asking. I'm referencing cosmetic looks on the bracket welded on the axle tube for the square bar.  I've seen some with press marks and another with a hole on the backside of the bracket. It can be viewed on this link       http://www.camaros.org/radiusrod.shtml
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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
luv2sixty9
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« Reply #23 on: May 21, 2014, 02:05:55 PM »

On the lower pictures; first picture you can see the circular press marks just below the side notches. And on the last picture you can see the factory hole just above the side notches. Thats what I'm asking about.
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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
Mike S
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« Reply #24 on: May 21, 2014, 02:11:39 PM »

 I see the hole now....its dark in the picture where you can't notice it unless you know it's there.
 I'll check my car when I get home to see if it has that lone hole in the back.

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
Mike S
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« Reply #25 on: May 21, 2014, 03:50:43 PM »

 Here is a picture of the 'BJ' rear dated 0404 on the '67 04B LOS L35 w/TH400 transmission.
This has the round radius rod and you can see this has the hole in the rear.
I looked at the 'QK' rear dated 0331 and this has the square rod w/stop bracket. There is no hole on that axle tube bracket.
It would be interesting what the hole was for. Maybe to hold and/or strategically place the bracket on the tube prior to welding?
Could be an interesting poll to add to the CRG article.

Maybe something like:
Date   Code     Radius Rod        Rear Hole
                    Round/Square         Y/N
___________________________________
0331   QK        Square                   N
0404   BJ         Round                    Y
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
luv2sixty9
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« Reply #26 on: May 21, 2014, 08:10:28 PM »

Yes, it would! Come on guys let us know..
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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
Jon Mello
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« Reply #27 on: May 22, 2014, 11:58:15 PM »

0126  QL     Square      No hole
0303  PJ      Square      Hole
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Jon Mello
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Mike S
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« Reply #28 on: May 23, 2014, 08:38:45 AM »

Sorting on date:

Date   Code     Radius Rod        Rear Hole
                    Round/Square         Y/N
___________________________________
0126   QL         Square                 N
0303   PJ          Square                 Y
0331   QK         Square                 N
0404   BJ          Round                  Y
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
Mike S
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« Reply #29 on: May 23, 2014, 08:53:58 AM »

Jon,

  First, thanks for adding to the research.
I think I see a pattern already between the bracket with the hole vs. the one without it.
From what I see in the CRQ report pictures and on my 2 cars is the one with the hole also has a stepped 'notch' in the very rear of the bracket on the bottom.
The bracket without the hole is flat along that rear edge. Can you confirm if yours are that way too? That would make it sound like there were possibly two suppliers of that part or a change in the way it was stamped and no other meaning for the existence of that hole.

Thank you,
Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
Jon Mello
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« Reply #30 on: May 23, 2014, 02:10:08 PM »

You're welcome, Mike.  I looked at the axles again and they match up with your observations.
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Jon Mello
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« Reply #31 on: May 24, 2014, 12:31:28 PM »

0320 PU Square Hole
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Mike S
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« Reply #32 on: May 24, 2014, 12:39:10 PM »

Date   Code     Radius Rod        Rear Hole
                    Round/Square         Y/N
___________________________________
0126   QL         Square                 N
0303   PJ          Square                 Y
0320   PU         Square                 Y
0331   QK         Square                 N
0404   BJ          Round                  Y
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
VHX032
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« Reply #33 on: May 27, 2014, 01:16:06 PM »

And for some reason the Firebird apparently used an "I-Beam" section (a couple on eBay right now).

http://www.ebay.com/itm/1967-1968-1969-Firebird-Trams-Am-Camaro-Factory-Traction-Bar-10-12-Bolt-P-SIDE/151309410470?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26asc%3D22854%26meid%3D7200708986215261526%26pid%3D100005%26prg%3D9833%26rk%3D2%26rkt%3D6%26sd%3D151309410470&rt=nc
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Mark
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« Reply #34 on: May 27, 2014, 01:35:58 PM »

Yes they did, and they used two of them on an axle.
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Mark C.
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« Reply #35 on: May 27, 2014, 03:49:48 PM »


Sold 5-27-14 for $325.00

Paul
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luv2sixty9
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« Reply #36 on: May 29, 2014, 09:02:58 AM »

I have seen Birds with the square bar also.
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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
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« Reply #37 on: July 23, 2014, 08:24:04 PM »

Does anyone know if the front bracket and the plate welded to the body are the same on a firebird as on a camaro? Looking at the one eBay the bracket does look similar.
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Eric

1967 Base
1969 Base 307 3spd matching #'s
1968 C-10 Short Fleet Custom
Jon Mello
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« Reply #38 on: July 23, 2014, 08:30:15 PM »

Does anyone know if the front bracket and the plate welded to the body are the same on a firebird as on a camaro? Looking at the one eBay the bracket does look similar.

Yes, those pieces are the same.
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Jon Mello
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little_hoss
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« Reply #39 on: July 25, 2014, 06:36:06 PM »

Didn't know that! Thanks! I found a firebird in the junkyard last year that still had the radius rod assembly on it. Going to go this weekend to see if it's still there.
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Eric

1967 Base
1969 Base 307 3spd matching #'s
1968 C-10 Short Fleet Custom
Mike S
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« Reply #40 on: July 25, 2014, 06:41:19 PM »

 I thought those plates are now in reproduction.

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
little_hoss
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« Reply #41 on: July 25, 2014, 06:47:57 PM »

I don't know. I've seen the brackets and radius rods though so I would imagine they are. Anyone know who has them? I am also going to look for parts for my '68 C-10. Just going to have a fun Saturday  Grin
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Eric

1967 Base
1969 Base 307 3spd matching #'s
1968 C-10 Short Fleet Custom
little_hoss
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« Reply #42 on: July 25, 2014, 07:03:54 PM »

Yep, you're correct. Just saw all the brackets and plate for sale on the Rick's Camaro website.
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Eric

1967 Base
1969 Base 307 3spd matching #'s
1968 C-10 Short Fleet Custom
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