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102491 Posts in 12091 Topics by 4669 Members
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61  Camaro Research Group Discussion / Originality / Re: Big Block Distributor Hold Down Clamp on: August 01, 2013, 01:34:31 PM
My July 1969 Camaro Master Parts Catalog shows this:

     2.363  Clamp Unit, Ignition Timer Distributor
     -----------------------------------------------------------

               1     3772532     1967/8  CYL
               1     3704912     1968-69/8  CYL

A 2-15-69 P&A 34 shows:

               1     3772532     64-67 All 8 CYL
               1     3704912     68     All 8 CYL
62  Camaro Research Group Discussion / Decoding/Numbers / Re: Timing Cover date codes on: July 28, 2013, 06:30:46 PM
Where on the BB cover is the date stamped? I'd like to look at mine.

Thanks,
Mike
Mike.....can't say about the big block covers but if they are like the small block covers, you can only see the dates with the harmonic balancer pulled.  The best way is to have it removed, cleaned, and on the bench.
63  Camaro Research Group Discussion / Decoding/Numbers / Re: Timing Cover date codes on: July 28, 2013, 06:06:33 PM
I have a 1968 Z28 cover that is stamped "3 68".
64  Camaro Research Group Discussion / General Discussion / Re: Not Camaro, general auto related: cruise control in rain question on: July 28, 2013, 01:31:32 PM
You can hydroplane even on a clear day and the cruise will spin the tires.  Didn't happen to me on a Camaro but on my 2002 GMC Sierra.  It had rained, but cleared off and the pavement had dried.  I had cruise back on and came around a curve and hit some water that was running out of the ditch across the highway.  The engine revved up and it started to slide a bit, but the cruise shut off by itself before I even had time to hit the brakes.  No harm done....but it was scary for a second.
65  Camaro Research Group Discussion / Decoding/Numbers / Re: 1967 RS on: July 26, 2013, 07:57:16 PM
This link has the listing of the options on the POP.....

     http://www.camaros.org/numbers.shtml#POPCodes
66  Camaro Research Group Discussion / Originality / Re: Big Block Distributor Hold Down Clamp on: July 18, 2013, 11:59:07 PM
My 1968 07C Z28 has a engine build date of 0619.  It is already on the list....just need to add build date if you do decide to do so.
67  Camaro Research Group Discussion / Originality / Re: Big Block Distributor Hold Down Clamp on: July 17, 2013, 06:03:47 PM
Bob....Can't think of any reason they would use different ones for different engines.  All the engines, big block or small block, would get the same part as they came down the engine assembly line.
68  Camaro Research Group Discussion / Originality / Re: 1969 Z 28 pictures looking for input on: July 17, 2013, 04:49:24 PM
What did the judges tell you about the spring?  Here is a link to a post in the General section showing the carb spring....look at reply #4 and reply #6.

     http://www.camaros.org/forum/index.php?topic=10034.0;all
69  Camaro Research Group Discussion / Originality / Re: Big Block Distributor Hold Down Clamp on: July 17, 2013, 04:35:52 PM
My 1968 Z28 07C, 06-19 engine build, has the stamped steel hold down.  The hold down and the bolt were painted silver.  Apparently they were painted with a brush as there was some silver paint on the distributor wire.  It doesn't look like it was sprayed on the wire, it appears that a paint brush left the paint.
70  Camaro Research Group Discussion / Originality / Re: Engine hook bolts on manifold on: July 09, 2013, 01:02:28 PM
Agreed on the lift hooks.....was reading over on the Supercar Registry last night and got a good education.  But, back to Jimmy's question, it still appears that there was at least two different length bolts and the possibility of different head markings.
71  Camaro Research Group Discussion / Originality / Re: Engine hook bolts on manifold on: July 08, 2013, 09:19:41 PM
Chick....I could not find any shouldered bolts on my intake setup.  Go figure.....who knows what happened.  Good photo of the bolt....thanks for showing what should be there.
72  Camaro Research Group Discussion / Originality / Re: Engine hook bolts on manifold on: July 08, 2013, 05:35:54 PM
So were all the bolts used on the intake manifold the same head marking? I removed some recently that have no marking at all. Then they would not be original I assume? The motor had minimal work done to it before my ownership, so I would not have thought these to be replaced?  Hex head and Had washers underneath as well. Guess the washers prevent damage to the aluminum of the manifold.
Jimmy one other thing on the manifold bolts....my understanding is that (and it may be wrong) the manifold bolts were first installed at the engine plant and they were all the short ones.  When the engine arrived at the auto assembly plant dress line, the short bolts were removed and the other ones added as the equipment was installed.  Thus, you could have different head stampings because you are dealing with two different plants.

Oops, forgot something, the AIM states that the orange alternator bracket on the '68 Z28 was part of the engine assembly (wouldn't apply to a '69), so this item might get a longer bolt at the engine plant. Also the AIM states that the spark plug wire towers were also part of the engine assembly, but these were thinner so maybe they used the short bolts. I haven't been able to determine where the engine hooks were installed, at the engine plant or the assembly line dress plant.  Maybe someone else might know for sure.
73  Camaro Research Group Discussion / General Discussion / Re: Jerry MacNeish - Fire on: July 08, 2013, 03:30:08 PM
On the lightning thing, my wife and I just moved into her parents house after her dad passed 2 years ago. They put it up in 95 and I noticed they had these metal spikes running alone the roof top so many feet apart with a huge braided cable going in the ground. I have heard of these things but never really knew/know if they really work. Do they?
Gary...I don't know about the older house grounding setups but I worked for A T & T for 35 years and in their buildings every metal piece in the building was grounded to earth ground by heavy wire.

  There was what we called a "Ring Ground" system that consisted of heavy copper wire that ran around the entire inside perimeter of the building and every metal piece inside and outside of the building was connected to this Ring.  This wire was in turn connected at various intervals to a corresponding buried wire that ringed the outside of the building that in turn was attached at various intervals to long copper ground rods driven in the ground.  So  A T & T did indeed believe in a lightning ground system....it had to be that way in order to keep the lightning out of the electronic equipment.
74  Camaro Research Group Discussion / Originality / Re: Engine hook bolts on manifold on: July 08, 2013, 03:10:14 PM
So were all the bolts used on the intake manifold the same head marking? I removed some recently that have no marking at all. Then they would not be original I assume? The motor had minimal work done to it before my ownership, so I would not have thought these to be replaced?  Hex head and Had washers underneath as well. Guess the washers prevent damage to the aluminum of the manifold.
Jimmy....there were two different lengths of intake manifold bolts that I know of and each of them had different head markings.  The short ones were used on the manifold holes that had no other parts attached or thin metal brackets and the longer ones were used on the holes with thicker brackets attached to the manifold...such as the smog bracket, lift hook, and alternator bracket.
75  Camaro Research Group Discussion / Originality / Re: Engine hook bolts on manifold on: July 08, 2013, 03:04:15 PM
For the small population of original cars I've looked at it seems many 69's and later (70 LT1's) had natural lift hooks. There was a real debate about this on the Yenko site sometime back. On our 68 I have them painted but here is a late Sept. 69 built Z/28 survivor with no paint.


From the pic you posted there is silver paint still on that bracket.
That was what I thought also.....looks just like mine before I cleaned them.  Another thing about the aluminum silver painted distributor hold down and bolt....they weren't to neat about painting them, apparently they used a brush as there was a lot of brush applied paint on the distributor wire.
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