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111432 Posts in 12830 Topics by 4913 Members
Latest Member: devodave
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16  Camaro Research Group Discussion / General Discussion / Re: Brake Shoe "throat" size on: December 16, 2013, 11:06:22 AM
I believe that the "throat" is the circular hole that is formed when the tops of both brake shoes are held together. Each shoe's half hole fits around the spring anchor pin bolt. Is this correct? Also, I've seen aftermarket brake shoe type 246 showing throat sizes of 1" and 1 1/4", so I'm wondering which is correct. Thanks, Joe.
17  Camaro Research Group Discussion / General Discussion / Brake Shoe "throat" size on: December 14, 2013, 05:09:13 PM
Exactly what is the brake shoe "throat", and what size is it on my 1968 with manual drum brakes all around? Do the front and rear brakes have the same throat size? I've seen replacement brake shoes showing both 1" and 1 1/4" throat sizes. Thanks, Joe.
18  Camaro Research Group Discussion / Maintenance / Re: Master Cylinder Secondary Piston on: October 21, 2013, 08:52:42 AM
Your suggestion is a good one except that in my case I also require both sets of check valves as my car has a drum/drum braking system.
My research shows that GM supplies the primary piston only in the kit and the secondary piston only separately under part number 5452694.
19  Camaro Research Group Discussion / Maintenance / Re: Master Cylinder Secondary Piston on: October 16, 2013, 06:43:13 PM
Mike, I will check and get back to you.
20  Camaro Research Group Discussion / Maintenance / Master Cylinder Secondary Piston on: October 16, 2013, 08:44:26 AM
Does anyone know of a U.S. made master cylinder kit that contains the secondary piston and who sells it? Also, the GM part number for the secondary piston alone? It is for my 1968 manual brakes drum/drum Delco Moraine master cylinder with a 1" bore. Thanks, Joe.
21  Camaro Research Group Discussion / Originality / Under-hood insulation on: September 20, 2013, 08:43:35 AM
Did all 1968 Camaros have under-hood insulation, regardless of engine or dealer destination? My 1968 Sport Coupe has the L6 engine and was bought originally in Florida. When I bought it in 1988 it didn't have any hood insulation. I'm wondering if the factory didn't install the insulation or if the previous owner had it removed. Thanks for any information. Joe.
22  Camaro Research Group Discussion / Originality / Re: Astro Ventilation Window Markings on: September 18, 2013, 04:35:32 PM
For what it's worth, these are the date codes of my 1968 04A Norwood-built Sport Coupe. It is a survivor, I'm the second owner and have owned it since 1988:
Windshield CZ Nov 67, Back glass LX Mar 68, Driver's door XX Feb 68, Drivers quarter LX Mar 68, Passenger door LX Mar 68, Passenger quarter LX Mar 68. None of the four side windows are marked with Astro Ventilation.
23  Model Specific Discussions / 6-cylinder Camaros / Re: 1968 Fuel Line From Fuel Pump To Carburetor on: May 10, 2013, 09:45:26 AM
Thanks Paul, that's what I was looking for. Joe.
24  Model Specific Discussions / 6-cylinder Camaros / 1968 Fuel Line From Fuel Pump To Carburetor on: May 04, 2013, 08:05:28 AM
Can someone post or refer me to a clear picture of the fuel line that goes from the fuel pump to the carburetor on a 1968 L6. I'm particularly interested in the right side of the engine where the line is routed around the distributor. Thanks in advance, Joe.
25  Camaro Research Group Discussion / Maintenance / Re: Removing valve seats from the brake master cylinder on: October 02, 2012, 05:54:08 PM
The mystery is solved. What I thought were the valve seats were actually the bottom of the bores, as someone had previously removed the valve seats, check valves and springs during a rebuild, and did not replace them. I'll simply install a new set. Joe.
26  Camaro Research Group Discussion / Maintenance / Removing valve seats from the brake master cylinder on: October 01, 2012, 10:20:59 AM
To remove the old valve seats from the brake master cylinder, the service manual, page 5-19, says to drill the valve seat with a 13/64" drill bit and tap 1/4 X 20. This size drill and tap seems awfully close to the diameter of the valve seat. Is this an error in the instructions or am I worrying for nothing. I'd appreciate comments from those who have done this job. Thanks, Joe.
27  Camaro Research Group Discussion / Maintenance / Re: Best source for lower ball joint? on: September 26, 2012, 01:18:19 PM
When I rebuilt my front end many years ago, I used TRW ball joints. There were made in the U.S. and I didn't encounter any difficulties installing them. They have performed well so I would buy them again. I don't remember comparing appearances between the original and the TRWs so I can't comment on that. Hope this helps. Joe.
28  Camaro Research Group Discussion / Maintenance / Re: Freeing frozen piston in master cylinder on: September 26, 2012, 12:51:07 PM
I made an adaptor by turning a metal rod to a squeeze fit in a brake line fitting then drilled and tapped it to accept a standard zirk grease fitting. After blocking off the three holes at the bottom of the reservoir with a piece of hard rubber and a C-clamp, I pumped in grease with my standard pistol-grip grease gun and out it came.
Thanks for the suggestion.
29  Camaro Research Group Discussion / Maintenance / Re: Freeing frozen piston in master cylinder on: September 08, 2012, 03:11:21 PM
Thanks, I will try that.
30  Camaro Research Group Discussion / Maintenance / Re: Freeing frozen piston in master cylinder on: September 07, 2012, 12:14:06 PM
Yes, I did remove the stop screw.
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