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97443 Posts in 11712 Topics by 4581 Members
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1  Camaro Research Group Discussion / Decoding/Numbers / Re: need the experts help with stamp pad on: April 18, 2014, 03:08:25 AM
I would like to share my observation of this block.  The reason they used a 618 block with a March casting will never be known, and very unusual.  I have an 05A car with vin 19n6401xx and a stamp of V0430DZ and a 010 block.  Two other examples of 05A are 19n6404xx with V0425DZ, 010 block; and 05A with vin 19n6403xx with stamp V0430DZ and a 010 block.  It looks like the block in question is completely out of wack with standard procedure.  It looks like the stamp date should, at least be in the first week of May with a vin in the 643 range.  There are several known examples with vin's in the 639 range, with a 010 block.  This block may be good, but the GM worker was drunk!

Thanks,
Bryan
2  Camaro Research Group Discussion / Originality / Re: Questions about "O" Rockers 3974290 for 69 Z/28 on: April 15, 2014, 02:25:09 PM
Hi Gary,

After seeing that picture of the part, I don't think it is a relative part of the 140 grouping.  There is not even a place I can think of, it could go, especially related to the timing gear.

Memphis was very good.  The Z parts were thin.  I saw five DZ carbs, six 472 intakes, a 68 BV rearend, three or four 403 bell housings, one each 668 and 456 pulley, one endura bumper, a nice set of guages, a pair of non drip valve covers, and a early set of 69 Z exhaust, and that was it.  For someone, that would have been something to dance about, I didn't find squat.  I did pick up a good 367 starter, but not my date.

Thanks for finding that part.  Maybe someone will know about it.

Thanks,
Bryan
3  Camaro Research Group Discussion / Originality / Re: Questions about "O" Rockers 3974290 for 69 Z/28 on: April 15, 2014, 02:26:11 AM
Hi Bill,

I have the steel retainers, pn#14003974 for the 3927142 spring.  By the way, I noticed a notation under the listing of the 3927140 cam in Hooper's book, in the parts listing in the back.  It stated to use thrust bearing 3887871.  Do you know if this bearing is critical to the use of a 140 cam?  Exactly where is the bearing used, is it a type of cam bearing or like a cam button for the timing gear?  As you can tell, I never heard of it.  Thankful for any help!

Thanks,
Bryan
4  Camaro Research Group Discussion / Originality / Questions about "O" Rockers 3974290 for 69 Z/28 on: April 14, 2014, 01:06:43 AM
I have decided to go with a "140" cam instead of the "346" cam.  I have everything NOS, including the 3927142 valve springs, retainers, valves, etc.  My question is..  Are the 3974290 "O" rockers arms good enough to be compatible with and intended to be used with the "140" cam?

If a person were to build a set of 3974290 rocker arms from the current sources of NOS parts, ebay, camaro shops, etc.  Would he still get the same "O" rocker out of the current 3974290 box?  Are they still made the same, heat treat, hardness, etc.  Do the new ones still have the "O" on them?

Does anyone know if the new replacement part number of 10089648 gets you an "O" rocker?  My dealer says that the 10089648 is a direct replacement for the 3974290, but I kinda doubt it!

What aftermarket brand such as Crane or Manley, with the part number, would replace the "O" rocker?

Please advise and suggest.

Thanks,
Bryan
5  Camaro Research Group Discussion / Decoding/Numbers / Re: Sheetmetal Date Code on: September 30, 2013, 08:30:05 PM
Mine are H 17 - 1 on the LH door.  Every place I've found has been H 17 - 1 on a 05A build date.

Bryan
6  Camaro Research Group Discussion / Decoding/Numbers / Re: 1969 Z/28 firewall crayon marks, question? on: September 26, 2013, 10:25:08 PM
Thanks Billohio for the help on the soda blasting.  I Just found GM written on the inside of my fender extention, although it wasn't that fancy.  I found it looking for a sequence number.  Any idea why GM is written in different places?

Bryan
7  Camaro Research Group Discussion / Decoding/Numbers / Re: 1969 Z/28 firewall crayon marks, question? on: September 23, 2013, 01:05:07 AM
Thanks William and Bill.  Great Information!  If I were to use my portable blasting pot for the soda blasting, are there any special nozzles or tips designed for soda or fine material?  Does the air pressure used make a difference?  Are the grease penscil marks etched enough that you don't have to worry about removing them, even with using soda, or is this a babied process?

As Austin stated, there has been a lot of recreations to the firewalls on restored cars.  And now, especially after seeing the options found by these markings, color codes, etc.  It seems to me the best choice is to document the markings with digital photos for the restored album of what you had and where, and be done with it.  Paint the firewall back like it was, install your PBT back in the same spot, and don't add something the car didn't roll off the line with!  But, I see the beauty of this as documentation that you didn't have if you didn't find you build sheet under the back seat, which I didn't!

I think it would be cool to start a registry of these findings to see just how in depth it was.  (official CRG project addition request) How many options have been found on one firewall?  Has anyone found NC8 or JL8, etc.  It appears there has been interior and exterior options found, what determined why it needed to be there and other options were not?  What if the body was to be a heavily optioned car, how would that work out?

Why did the assembly line need to do this?  Was the build sheet not with the body yet?

Thanks,
Bryan
8  Camaro Research Group Discussion / Decoding/Numbers / 1969 Z/28 firewall crayon marks, question? on: September 22, 2013, 12:22:13 AM
I was reading some old post on firewall crayon marks from William and Keech.  When stripping a firewall and expecting to find grease penscil marks on the bare metal, what is the best effective method to strip the paint?  Some say soda, some say rubbing with laquer thinner or reducer.  What works the best without harming the expected find?

Thanks,
Bryan
9  Camaro Research Group Discussion / Originality / Re: 69 spiral shocks on: September 06, 2013, 04:05:42 PM
I have not had the chance to call Dan yet, hope to the first of next week.  I will let you know.  I'm nearly scared to find out!
10  Camaro Research Group Discussion / Originality / Re: 69 spiral shocks on: September 02, 2013, 09:12:31 PM
Thanks JohnZ, I will try to contact Dan.
11  Camaro Research Group Discussion / Originality / Re: 69 spiral shocks on: September 02, 2013, 01:17:05 AM
I have the original spiral shocks on my 69 Z, but as expected they are not road worthy.  Can these shocks be rebuilt and restored?  If so, Who can do the service?

By the way, Bullitt65, I noticed you were looking for a set.  Coast 2 Coast camaro has a set of four, but very expensive.  It might be worth a call.

Thanks,
Bryan
12  Camaro Research Group Discussion / Originality / Re: 1969 paint code 52 Garnet Red, need help! on: September 02, 2013, 12:50:26 AM
Thank you Heartbeat396!  Your information was very helpful and what I needed.  I did not want to go to the paint store empty handed, not knowing myself what the paint codes were.  Now, I can do as James suggested above and get the original paint on the cowl scanned, which turned out to be one of the only places original paint was left on the whole car.  Now, what I'm hoping for is that the results of the scan match either PPG 2076 or SW SR640 straight up, without needing to vary the shade.  I think that would ease my pain and worries of getting the right shade.  This car has only been painted once, but they nearly did to good of a job!

Heartbeat396, do you know if those three codes for the interior paint can be crossed over to a more modern paint if they can't or won't do laquer?  What type of paint do I need to ask for to do the plastic parts as in the console and the dash / instrument cluster housing?  Is there an additive to make the paint stick to the plastic better?

Thanks,
Bryan
13  Camaro Research Group Discussion / Decoding/Numbers / Re: 69' Z/28 on eBay, Has no Tach?? on: August 26, 2013, 11:24:59 PM
I just noticed something very strange about the burnished brown car that was with this lemans blue car from this past auction.  Please access the team camaro thread posted by ZLP955, a couple of threads above.  I may be very wrong but check out the trim tag on the burnished brown car.  NOR 148792 on a 10D build date with an X77D80 X code.  If it is a Oct. 4th week of 1968, why is it a X77D80.  If it is a Oct 4th week of 69, why is the body numbers below the 05C car with a body number of 324823.  If I have stuck my head up my backside, well I did it again, but I think I saw something very wrong with that trim tag.

Bryan
14  Camaro Research Group Discussion / Originality / Re: 1969 paint code 52 Garnet Red, need help! on: August 23, 2013, 09:27:49 PM
Thanks firstgenaddict for the very helpful information.  What type of paint did you use on your Lemans blue car?, very nice restoration by the way!  A fellow camaro nut friend has suggested using a single stage urethane to get that laquer look.  I wasn't dead set on BC/CC, but I guess I'll have to bow up and decide, tough decision!

Thanks,
Bryan
15  Camaro Research Group Discussion / Originality / 1969 paint code 52 Garnet Red, need help! on: August 22, 2013, 11:45:10 PM
I need help from some of you veteran restorers.  I have a Garnet Red 69 Z/28 in the disassembly stages.  I have collected information from several paint suppliers, and the first was a Sherwin Williams Ultra 7000, and second Metalux Basecoat.  The chip the computer came up with for 52 Garnet Red was SR 640, but there was a Kagillion shades close to the SR 640.  I actually have been a PPG/Ditzler fan and would like to use PPG BC/CC.  My question to the CRG is what chip has been found to be the closest to the original 52 code Garnet Red?  Is this same code as in SR 640 the shade across the board for all brands of paint for code 52?

Secondly, Does the interior color, which happens to be red also, have a paint code?  This car has red deluxe interior and I will need to paint the dash, dash cluster, console, etc.  How do you find out what shade of red this would be?  What kind of paint has been found the best for painting the plastic parts like the dash cluster and the console?

Third, I have a question about the Z/28 stripes.  What do the judges say about modern paint jobs with BC/CC and the stripes being part of the paint job.  Originally the stripes were raised and could be felt by the touch.  Is this modern Technology a factor that is accepted by the Judges? Or is there a procedure for this?

Thank You in advance,
Bryan
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