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102435 Posts in 12087 Topics by 4667 Members
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211  Camaro Research Group Discussion / Restoration / Re: 1969 AC Hoses original on: August 04, 2012, 03:34:26 PM
Marty, I just noticed your hose on the condenser line looks original by the crimp on the fitting and the markings on the hose. Is that date code 2288?
George.
212  Camaro Research Group Discussion / Originality / 1969 SS 396 Spring Tags on: August 02, 2012, 05:40:02 PM
On a 69 396 SS with AC,TH400,& FD seat; according to the CRG spring chart I should have HG 3955725 front springs and BF 3955741 rear springs.
My question is that typical of what others have seen or using for spring tags. George
213  Camaro Research Group Discussion / Originality / Re: Correct '69 A/C Restoration on: August 01, 2012, 01:17:26 PM
Marty, I can't say I remember seeing any AC hoses that were ribbed back then. The location & the legnth of the insulation in the above picture looks like what I have seen.George
214  Camaro Research Group Discussion / Originality / Re: Correct '69 A/C Restoration on: August 01, 2012, 07:05:06 AM
Mark, Nice pictures. Can you measure the length of the hose insulation on that hose were it goes under the core support?
I believe your hose was made by Goodyear  "GY", with a date code of "0379" 37Th day of 69. How does that compare to your car build date?
One of my hoses was marked "P-7510" the type of ac hose, "USR" US Rubber bought buy UniRoyal, and "2-4-4-8" 244 day of 1968. That agrees with my build date. The fitting on the end was dated "2848"
Marty, I was cleaning & inspecting some other AC hoses and noticed small pin marks the length of the hose in a straight line. It may be from the manufacturing process of the hose. George
215  Camaro Research Group Discussion / Decoding/Numbers / Fold down seat stamps on: July 30, 2012, 09:17:33 PM
I was cleaning up my fold down seat back platform and noticed a stamp on the center backside "C 30 and C 32 A". Also on each side where the hinge bolts on stamped "C 30 R or C 30 L". Has anyone seen this and do you know what it represents. George
216  Camaro Research Group Discussion / Originality / Re: Correct '69 A/C Restoration on: July 30, 2012, 08:59:40 PM
Marty, I have never seen AC hose with perforation marks like that. I looked on my 70 Chevelle today, I bought a new GM hose around 1976, it has same crimps as my Camaro hoses. I am guessing someone replaced your hoses onto original fittings. I have been in contact with Don at Classic Auto Air in Florida about the 2 ring factory style crimps. He said they can do that but I have not seen a picture yet.
I attached photos of my hoses and noted the insulation lengths, have seen similar lengths. I also noted my missing spacer that I have only seen on 396 cars hoping someone with original hoses might add something. George
217  Camaro Research Group Discussion / Restoration / Re: 1969 AC Hoses original on: July 27, 2012, 01:24:01 PM
Marty, Nice pictures. I think Tom is looking for a picture of the heater hoses where they connect at the firewall.
The bushing I am looking for I have seen on probably 6 original 396 with AC cars, but only pictures not a car I could talk to the owner about.
I go by the AIM in most cases, but in this case I am not sure.
George
218  Camaro Research Group Discussion / Restoration / Re: 1969 AC Hoses original on: July 26, 2012, 09:14:15 PM
From AIM, missing wire support and date on hose
219  Camaro Research Group Discussion / Restoration / 1969 AC Hoses original on: July 26, 2012, 09:00:59 PM
I have a 69 396 camaro built in Nov.68 that I'm restoring the AC parts. The car has mostly original parts & hoses. I am trying to duplicate the original style crimps on the hoses like in the pictures below. Has anyone had luck replacing the rubber hoses utilizing the original fittings?
I never knew they were date coded until I cleaned them. I have looked at the reproduction hoses and from the poor pictures on line they don't look quite the same.      I would like to duplicate the factory ferrules & crimps. Below are examples.
The muffler hose support has a spacer between the compressor & support that I am missing, highlighted in photo, that I am looking to find out if that is rubber or steel and if that is a bolt through it. The AIM does not show it but I have seen it on several cars.
The insulation on my bigger hose over the front of the engine is in two pieces and would like to know if it was originally one piece and how long.
I am also looking for a plug wire support that seems unique to the 396 but I have never seen one on a car. Does anyone have that support on their engine or a spare?
The date codes on the hose are about 40 days before the date on the fittings. My muffler hose was replaced at some time it was made May of 69.
Sorry for long post & questions. George
220  Camaro Research Group Discussion / Restoration / Re: Black Oxide - Bolt Refinish on: July 06, 2012, 09:24:47 PM
Steve, The black oxide finish you are referring to has been called many different finish names. Phosphate and oil, or parkerizing/phosphating. I believe GM used black phosphate and have been able to duplicate this finish with a product "Chick" recommended, Palmetto dark,
"http://www.palmettoenterprises.net/Palmetto_Enterprises/-Welcome-.HTML."
Really pleased with the results. I had several nos GM bolts 30 years old that I had to compare to and it was a great match. I used an $18 crock pot with a ceramic bowl, worked great and very easy. If you search for Palmetto you will find more info. George
221  Camaro Research Group Discussion / General Discussion / Re: Caswell Cadmium? on: June 30, 2012, 07:41:55 PM
Mike, Here is the power supply I use. It puts out a nice clean 5 volts for use on our dyno. "http://www.thorscbradio.com/pyramid-ps-32-lab-12-volt-power-supply.html"    I didn't buy from the link, I think we paid $99.six years ago. The power supply is only rated at 5 amps but works well with a generic 1157 bulb wired in series on the 12 volt power wire. Think I plate zinc at 12 Volts 3 Amps. Plating holds up great, only way I can get it off is re-glass beading part. The longer you plate the thicker the plating. Preping and getting the part clean is key to nice finish. George
222  Camaro Research Group Discussion / General Discussion / Re: Caswell Cadmium? on: June 29, 2012, 06:47:30 AM
I have not tried plating any carbs.
223  Camaro Research Group Discussion / General Discussion / Re: Caswell Cadmium? on: June 28, 2012, 07:43:01 PM
Steve, I bought Caswell's kit for plating Zinc plated bolts and other parts. I couldn't be happier with the results. It did take a little time to get my process down but it is quick & easy. It is nice to do small batches of bolts for just one area of my restoration. The yellow cad wash only takes 5 seconds and dries darker than you think depending on the size of the part. Anything big like a booster I send to Steve at Detail Plating for a perfect finish & color. Here is a couple pictures. George
224  Camaro Research Group Discussion / General Discussion / Re: Original Brake Hoses for '69 Z28 on: May 29, 2012, 06:02:19 PM
Gary, On the single piston calipers the internal bore of the caliper is not as critical as to pits because it does not have to seal against the piston.The outside surface of the piston seals against the seal so that surface is critical. The piston slides in & out on a stationary outer seal. Hope that makes sense.

I bought a couple sets of incorrect hoses before I came across these on EBay. They were the closest to my original hoses. Tommy, nice guy & knowledgeable.
www.ebay.com/itm/1969-CAMARO-FIREBIRD-TRANS-AM-NOVA-DISC-BRAKE-HOSES-69-Z28-/130689673166
George.
225  Camaro Research Group Discussion / Restoration / Re: Upper A-Arm Dust Sheilds on: April 30, 2012, 07:22:15 PM
I worked for a Chevy dealer when these cars were fairly new and don't remember any shields tucked in like they were designed. We changed quite a few shocks back then and you had to pull them out of the way. George
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