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110447 Posts in 12759 Topics by 4891 Members
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61  Camaro Research Group Discussion / Restoration / Re: reputable machine shop in CT on: October 08, 2012, 10:35:30 PM
Precision Automotive in Simsbury rebuilt my L30 327 back in the mid 80's.  They also rebuilt a little 4-cyl for one of my Land Rovers in the mid 90's.  They do nice work.
62  Camaro Research Group Discussion / Restoration / Re: tag on coil spring. on: July 12, 2012, 11:39:30 AM
I found my original tags toward the tops of the springs as well.
63  Camaro Research Group Discussion / Originality / Re: 1969 z28 chrome shifter ball on: July 09, 2012, 08:41:55 AM
In the 'old' days..  Why would there be repros?
Because the repro stuff has been around for a long time.
I think you are confusing the 'good old' days with the 'old' days. Smiley
64  Camaro Research Group Discussion / Restoration / Re: 68 Defroster Vent - Seals? on: June 30, 2012, 10:37:31 AM
No problem.
Any suggestions on what to use?  The remnants of the original stuff (which is now basically turning to dust) seems to be a very lightweight open-cell foam.  I guess I can see what the local hardware store or McMaster Carr has.
65  Camaro Research Group Discussion / Restoration / Re: When were rear 'T' bolts installed? on: June 29, 2012, 07:15:54 PM
The rear axle assembly was semi-gloss black, not full gloss.  Since the springs were not installed on the rear axle assembly when it was painted, I would assume that the mounting hardware is not painted.  Not sure about the vent tube.
66  Camaro Research Group Discussion / Restoration / Re: 68 Defroster Vent - Seals? on: June 29, 2012, 04:13:57 PM
New info:
I went back and looked at the pictures I took when my upper dash was removed, and there were definitely foam seals between defroster duct and the metal dash top.  They were attached to the defroster duct, and were a single strip at the back edge of each side (they didn't go all the way around the openings).

I was also looking at the 69 AIM online today and noticed that it calls out for seals between the defroster duct and the metal upper dash.  They are different for each side, which seems strange.

So, is anybody installing these seals?  If so, what are you using?
67  Camaro Research Group Discussion / Originality / Re: 3866568 Clutch Pivot Stud Thread Size on: June 22, 2012, 06:09:42 PM
^^Correct, they are all listed as the same.

Just checked and the threads are 1/2"-13.  Thanks for your help.
68  Camaro Research Group Discussion / Originality / Re: 3866568 Clutch Pivot Stud Thread Size on: June 22, 2012, 02:25:50 PM
Thanks Ed.  I'll verify the threads this weekend.

When I was researching the 3866568 stud, I found some info about the threads being 3/8"-16.
This is what a place called Pontiac Paradise has to say about it:

They also have an ebay auction with similar info:

I also found some posts on Team Camaro about the threads being 3/8"-16.  You can't always believe what you read or see in the internet, so I wanted to be sure.  I'm fairly sure the threads on the one I have are 1/2"-13.
69  Camaro Research Group Discussion / Originality / 3866568 Clutch Pivot Stud Thread Size on: June 22, 2012, 12:51:30 PM
I recently picked up a new GM clutch bellcrank pivot stud.  This is the stud that screws into the engine block, and the bellcrank (z-bar) pivots on it.
I want to confirm that I got the right part, since it didn't have any original packaging with it.  I know the correct GM part number is 3866568. My car is at the body shop so I can't get to it right now to confirm.

Can someone please confirm what the correct thread size is for this stud.  Thanks.

This is what I bought:
70  Camaro Research Group Discussion / Restoration / Re: 68 Side Marker Light Gaskets on: June 20, 2012, 07:04:41 PM
My car is a convertible, so I don't have the clips at the ends of the bottom molding. 
Thanks for your help.
71  Camaro Research Group Discussion / Restoration / Re: 68 Side Marker Light Gaskets on: June 20, 2012, 12:06:20 PM
My car is a L30/M20 with the Z21 style trim group.

So, there was only a foam gasket on the rears, no rubber gasket at all between the body & bezels?  The car was recently repainted, and I'm working with the shop on reassembly details.  We talked about mounting the bezels directly against the body, but the body shop doesn't want to risk any damage to the paint (and I don't blame them).  I have a set of rubber gaskets from the 80's that were on the car for a while.  They are slightly thicker than the current repro gaskets and seem to fit better.  The shop is going to install these.  And, yes, the plastic lights are loose if no foam gasket is used, so we'll need to use the foam gaskets on all 4 lights.

My originals don't have much pitting, but the chrome is very dull, and the bottoms of the rear bezels have been heavily 'sandblasted' from 160k miles of debris coming off the back tires.  I had thought about using them, but they just aren't nice enough.  I know what you mean about losing the details when re-chroming.  I have a top notch chrome shop fairly close, so I will probably end up eventually rechroming the originals.
72  Camaro Research Group Discussion / Restoration / Re: 68 Side Marker Light Gaskets on: June 20, 2012, 07:35:48 AM
I was wondering why I only found 2 original foam gaskets, now I know why.  Thanks.  Just to confirm, all 4 bezels should get a rubber gasket, correct?
I have all of my original bezels, they have the black paint, but they aren't in very good shape.  The bezels that we are trying to install are all the same part number.  I bought them from GM back in the mid 1980's.
I guess I need to decide if I'm just going to install the bezels I have, or send the originals out for chrome.
73  Camaro Research Group Discussion / Restoration / 68 Side Marker Light Gaskets on: June 19, 2012, 03:01:13 PM
Were there originally rubber gaskets between the marker light bezels and the body, or was there only the foam gasket between the plastic light housing and the body?  I checked the AIM, but it didn't show the gaskets at all.

I have my original foam gaskets.  If I install the lights with only the foam gasket, they fit nicely (but I'm worried about the bezels damaging the paint).  If I install with the foam gasket and the rubber gasket, it looks like I'm going to really have to crank down on the nuts to get the bezel to sit flush against the body.  The situation gets worse if I use new foam gaskets.  I'm trying to avoid any distortion around the side markers.
74  Camaro Research Group Discussion / Originality / Re: What is the assembly line correct 68 Rochester 4-bbl carburetor choke pull-off? on: May 21, 2012, 08:39:25 PM
Just double-checked and my original Rochester choke pull-off doesn't have any markings on it.
75  Camaro Research Group Discussion / Originality / 4-Speed Transmission Mounts - Difference? on: May 21, 2012, 01:03:56 PM
The 4-speed transmission mounts available from the usual suppliers state that they are good for all 67, 68 & 69 4-speed cars.

However, looking through the parts books, it seems that there were 3 different mounts:
3870182 = 67 all ST
3928392 = 68 - 69 all ST with 230, 250, 327 & 350
3895830 = 68 - 69 with 302 & 396

Does anyone know the differences between these mounts?  Just wondering if there are dimensional differences or just differences in rubber compound.

Is there any problem with using a 3895830 on my 68 327/275 with a M20 4-speed?
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