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106641 Posts in 12432 Topics by 4791 Members
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61  Camaro Research Group Discussion / General Discussion / Re: 69 Z/28 X77 garage/barn find on: August 28, 2014, 12:48:37 PM
Maybe the ones I saw were over the counter replacements, the one I purchased could have been a fitted block it was std bore with pistons and rods no crank, really did not look like it had been run. Because I had a complete +.020 12.5 pistons on eagle rods which were large and small end equalized with the original 1178 knife-edged and balanced we just bored it .020 and used that assembly.
I have the near perfect std bore pistons and rods boeshielded and wrapped in neutral PH paper up in the attic.
62  Camaro Research Group Discussion / General Discussion / Re: 69 Z/28 X77 garage/barn find on: August 28, 2014, 08:28:33 AM
Re the VIN stamp on the engine..   Anything is possible, but not having one is not probable... Smiley   
I have emails regarding 2 and have seen an additional 2 DZ blocks which had been vatted, no paint on them, built between mid March and mid April with no VIN anywhere, not in any angle, any light, going so far as to invert colors and use filters in photoshop, obviously there were many Z's built during the period however to find between 2 and possibly 4 from my postings about this years ago illustrates they are around.
Perhaps the confusion resulted from the phasing in of Firebirds to Norwood from Lordstown in April of 69, can you imagine? Pacecars, COPO's, Z28's, RA Firebirds and then in May Trams Ams... Holy crap the number of parts on the assembly line would likely increase by 30% is that correct?   
63  Camaro Research Group Discussion / Decoding/Numbers / Re: Shat R Proof Front windshield with no DOT? on: August 27, 2014, 04:32:03 PM
I have the same windshield in my Z. Put in in 78 or so when rust was repaired around the dash.

By "same" you obviously are not saying it is installed with the factory cloth type seal, however are you stating that your windshield does not have a DOT marking and that the Glass markings are EXACTLY as the one illustrated letter for letter or does yours have a similar looking Brand Logo with details being different?

So another member has contacted me with a 68 L78 survivor his father purchased new it also has a non DOT Shat-R-Proof front glass (never replaced)... that makes 2... anyone else have one?
64  Camaro Research Group Discussion / Originality / Re: LOS/VNY 69 Z28 cowl paint on: August 27, 2014, 02:23:37 PM
Original paint 09B LOS 1969 Z28 - even has narrow 68 style trunk stripes - in the wiper grille you can see the black linkage.

65  Camaro Research Group Discussion / Decoding/Numbers / Re: Date code of part boxes on: August 27, 2014, 02:13:03 PM
 If you are finding the date on a flap that folds into the carton the printer would have been the one to have done that as most customers do not spec dates on the outside of the carton. Often printers put info including registration marks and color bars on glue seams where they are not visible unless you rip apart the package. 
I sold paperboard rolls and sheets to Folding Carton Plants, as a matter of fact Flashfold Carton (2nd photo) was a customer of mine so this is first hand info.
the 2 cartons below are for 70-73 Z28 Bowtie centercaps
The original type raised logo NOS caps came from the 84 dated carton and the later style from the 89 dated carton.

66  Camaro Research Group Discussion / Decoding/Numbers / Re: Broadcast sheets, VIN sequence and build dates on: August 27, 2014, 01:39:59 PM
I have one for a '69 Camaro and it looks like new. Also have other paperwork from the same dealer.

Last fall I saw an original Gutenberg bible, 558 years old. Probably wasn't always well stored but still looked pretty good. Kept dry and indoors, paper does just fine.

The yellowing comes more from UV light or contact with other oxidizers, between carpet and underlayment is not anywhere close to as archival as a folder out of the sun.
Particularly acids either in the carpet or from rust etc?
I have a build sheet which was so black from the asphalt underlayment it was not legible, I used a 9x13 pyrex and fast lacquer thinner laying it on papertowels and puring the laquer thinner through the sheet, it is nearly back to original coloring and perfectly legible.   
67  Camaro Research Group Discussion / General Discussion / Re: custom striped Z I saw this weekend on: August 27, 2014, 01:03:31 PM
I love Black over Blue Guts...
Thats only the 2nd Black over Blue 69 Z28 I have seen, the other was a late oct or early nov 1969 built car with a 6500 redline tach and wrong engine. 

Great Car!
68  Camaro Research Group Discussion / General Discussion / Re: HELP!! I need info regarding original exhaust DB level!! on: July 29, 2014, 10:25:18 PM
Hey thanks Pacecar!

I know of gardner and tought about it... The thing is, id need to be able to prove it was available as an option on EVERY single Camaro in 69.

Aside from the chambered exhaust, what was the orig exhaust like on a 69? Something like my American Thunder (Flowmaster) system layout?

Thanks for the help!!

No single exhaust system was available on every single 1969 Camaro optional or otherwise.

RPO's L34,L78,L89 & Z28 produced before Dec 4th 1968 used a chambered type exhaust.

As of December 4th the Z28 went to a single crossflow muffler until May 2nd when resonators were added in front of the crossflow.

I would go buy an old original system that was worn out and put it on... If they want GM part numbers it would have them.
Call GM and tell them your Canadian overlords have dictated they sell you an original system, seems to be a catch 22, you have to have it but you can't buy it..
Seems to me that if it's not available it is difficult to require it's installation.
69  Camaro Research Group Discussion / Restoration / Re: vin removal on: June 20, 2014, 12:16:32 PM
I too have wondered about the cleaning very well and applying silicone to  the tags and rivets front and back so there is no possibility of them contacting the solution.
IF I HAD TO REMOVE/REINSTALL A VIN for a Customer, they would be required to sign off on the fact that they requested the removal and metal replacement and that they understand the value could be reduced and it's authenticity may come into question. I would fully document every single thing I did on HD video, including the reason, showing other hidden VINS and showing the metal work required and then the REINSTALLATION, I would keep a copy of everything to cover my ass in case there were ever a question or he said she said episode.

If doing any blasting I use multiple layers of Gorilla Tape over tags.
70  Camaro Research Group Discussion / Decoding/Numbers / Re: DZ stamp on: June 20, 2014, 11:28:30 AM
I have seen people try this method before and never once seen it work.
I suspect a lot has to do with the original impact of the characters and the depth of the milling.

Take this with a grain of salt as I haven't ever seen it done, however the engineer stated that "you couldn't grind enough metal away to get rid it without ruining the block".
71  Camaro Research Group Discussion / Decoding/Numbers / Re: DZ stamp on: June 18, 2014, 09:59:19 PM
Blue is coolest I expect, if so then there is no deep radiating heat and the pad itself is not 100 deg, correct?
I think there are faints of some characters the way it was described to me was the engine needed to be brought up to temp then the pic every 10 or 15 min through cool down. The heat cycle will be completely different and hold longer vs heating the pad directly, maybe a rosebud on an oxyacetylene torch working in large circles under the pad.
If you had a industrial parts washer for cleaning engine parts it may work since the block is completely heated, hell leaving it outside one afternoon around here would get it 120.
72  Camaro Research Group Discussion / General Discussion / Re: 67 RS SS L78 on: June 18, 2014, 09:38:26 PM
Sounds like Dave Miners old car but his had just under 10k and was not a RS.

I hope to see this one come out a garage... get it!
73  Camaro Research Group Discussion / Originality / Re: Need help/picture to correct my 69 Z28 write up from Jerry MacNeish. on: June 18, 2014, 10:42:09 AM
Those are GREAT pictures!
74  Camaro Research Group Discussion / Decoding/Numbers / Re: DZ stamp on: June 18, 2014, 10:40:09 AM
The double tap on the Z also leads me to believe it is real.
I read a metallurgical engineer's statement recently that using a thermal imaging camera on a tripod, start the engine, allow to come to operating temp, then cut it off, take a pic of the pad every 15 minutes and the original stamp will appear. Said that you couldn't grind away enough of the pad to get rid of it and still have the block useable. I'd like to see if this works... anyone have a TI camera?
75  Camaro Research Group Discussion / Decoding/Numbers / Re: Fake or real DZ stamp and partial Vin ? on: June 18, 2014, 10:34:16 AM
I have also heard that someone in OH has a REAL BROACH as big as a locomotive is how the guy I talked to put it.
He was asking me about having a block done, I told him there is no way they are going to be able to get the broach to make the same tooling marks as originals... machines scraping metal away wear and the wearing will happen consistently, the broach marks from one month to the next will progressively change, approximating the change will be NEAR impossible given the number of legitimate broach photos on file with people who check and certify high end cars.
Someday we are going to cut out all this nonsense... I read recently that the vette guys are at least 10 years ahead of any other marque on being able to identify fake tags and stampings.
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