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Messages - z28z11

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16
General Discussion / Re: 1968 Radiator Tag
« on: January 19, 2023, 06:18:00 AM »
Make sure it looks like this one. Sure looks like an "H" to me !

Fortunately one less thing I have to look for. How it stayed on the car (the whole radiator) all these years before my ownership is a wonder -

Regards,
Steve

17
Whoever wrote the "did not appear on original coils" must not have looked at very many, or at a still-legible end frame. I assure you it is there, unfortunately you have to squint to see mine underneath 55 year old crud (I very carefully did NOT try to clean it off due to the apparent fragility of the ink or paint). If you inspect it under magnification, the lettering is identical to service parts, for a very good reason - same supplier did all of them. I researched and contacted the OEM many years ago, verified who they were and what they supplied (this was laborious, before the internet and Google heyday, when you had to read things and make phone calls). Rochester Division of A/C (Rochester NY) stamped the coil date and the part number likely when they received the valve assembly from the supplier before valve installation and shipping. From all of my research, they were batch built, as there seems to be a small date sample from the originals I've ever researched. I have two NOS "service" coils, and at least one other original (other than this one) that all have identical part numbers and info.

If you remove the printing as specified by whoever suggested it, you will be incorrect in my honest estimation. As usual, just my opinion - 

Regards,
Steve

P.S. I should have added you should leave the end frame part number, and remove the reproduction GM number from the side and restamp/ink it. The GM number they applied looks far worse that than the OEM part number on the end of the coil frame in my view.

18
BTW, the ‘69 Legends Judge Manual does not mention the difference noted above between the ‘69 front and rear window crank handles, despite going into tons of detail about interiors. JM help draft the judge manual but the detail on the window crank handles was not mentioned yet it was noted in a cert report.  The Legends Judge Manual is well done and a great resource, but I am already looking forward to the next edition…lol!
[/quote
BTW, the ‘69 Legends Judge Manual does not mention the difference noted above between the ‘69 front and rear window crank handles, despite going into tons of detail about interiors. JM help draft the judge manual but the detail on the window crank handles was not mentioned yet it was noted in a cert report.  The Legends Judge Manual is well done and a great resource, but I am already looking forward to the next edition…lol!

Original crank handles are really flat to the panels, more evident on the rear cranks. I surmise it changed or was superseded early on. Later service and maybe mid production cranks have more ‘arch’ in my view. I would welcome opinions -

Steve


19
Steve,

I'll check it out again but what restoration flaw is in Lloyd's wiper motor?

Dave

 Involves the printing on the solenoid coil end frame. Reproductions are not the same as the original manufacturer -

20
Your problem with NOS door handles (and other NOS parts) could (likely) stem from design/mold changes over the life of the service parts, which we have all seen from time to time. I bought as many NOS parts as I could for my X77 between 1978 or so until recent years, some of which are from older toolings that were continually rebuilt (like fan shroud molds - some of the later ones show as many as 4-5 mold repair events stamped in the part). I've got two NOS front spoilers that I bought from GM at the same time, could be from two different vendors but under the same part number, look slightly different down to a different part number stamping and font, and different edge finishing. Even Lloyd's very nice wiper motor restoration has at least one very visible reproduction flaw that stands out to an inspector that knows what to look for on the RS wiper motors (and might not be noticed by by a less familiar eye). Judging, to me, is still subjective no matter what the manual states - it still has to be interpreted.

Just my opinion -
Steve

21
General Discussion / Re: 1968 Radiator Tag
« on: January 16, 2023, 10:01:43 PM »
In reviewing the CRG report on radiators, it shows the 1968 Z28 as having a broadcast code of UH and a tank codes as IH and OD.  All the repo tags seem to have a IM tank code rather than IH tank code.  Does anyone know where the correct ID tag can be purchased ?

Seems to be the only one out there. I thought there was a correct original available through Parts Place, but they apparently start with the '9 tag -

Keep on looking - used may be your best hope at this point.

Steve

22
Decoding/Numbers / Re: 1969 washer pump motor cover ink stamp
« on: December 28, 2022, 07:28:16 PM »
I've never seen a dated pump cover - only wiper motors. Doesn't necessarily mean they don't exist: I have not found a thread in the CRG that mentions it, either. Maybe the ink adhesion doesn't hold up on the plastic long term - although it works pretty good on the painted motor frame. Anyone else have an example ?

Steve

23
Garage Talk / Re: Merry Christmas
« on: December 26, 2022, 06:18:57 AM »
And a Happy New Year ! '23 will be here shortly, just in case you haven't noticed -

Regards,
Steve

24
Decoding/Numbers / Re: 1969 washer pump motor cover ink stamp
« on: December 26, 2022, 06:07:47 AM »
Pull this up and I think you'll find quite a few examples and answers -

http://www.camaros.org/forum/index.php?topic=11121.msg111178#msg111178

Regards,
Steve


25
Restoration / Re: Vinyl Top
« on: December 01, 2022, 01:08:09 PM »
I’m right there with Mr. Cook - such a unique and cool combination, I think you’d be better off to preserve it, or repair it and keep the combination of original colors the same. It’s a striking little car, I think it’s well worth keeping it original. My L78 had a vinyl top, removed long before it cam here,as did my ‘67 Nova. They are a pain, but they are going back as original-

JMO -

Regards,
Steve

26
"I have a 67 SS350 4 speed that's pretty much a stock restoration."

Very Common Carb: 7027203 1st type & 7027213 2nd type.

I wish they were common - trying to find either as a core is tougher than you would think. Best bet would be to save your original, find a later Quad and rebuild it to drive. If you really want to shed the 7027203, send me a PM - lol.

Regards,
Steve





27
General Discussion / Re: What's it worth??
« on: November 16, 2022, 03:42:39 PM »
Good point. I accumulated a pretty good stack of used 2 and 4 barrel cleaners (you can use either, the 2 barrel heat tube mount has to be trimmed, it’s a little long). I test the dash pot with my vacuum pump before I remove the snout. I was also fortunate enough to find a couple of NOS A/C Delco replacement actuators, came as a kit with a new mounting bracket, although not stamped with the Therm A/C logo. If you’re careful (and patient) you can reuse the old bracket. If I had unlimited funds, I’d buy a used complete OE cleaner, but I enjoy building these things and saving the money -

Regards,
Steve

28
General Discussion / Re: What's it worth??
« on: November 16, 2022, 03:57:18 AM »
To re-answer Danny’s original question, it is right on the edge of exceeding rare, or maybe I should class it as exceedingly hard to find one. I bought one years ago as an NOS-in-the-box at an excellent price, only to find out is was a post-‘70 big block Chevelle cleaner (different heat tube opening on the bottom of the snorkel), at first disappointing as I needed to replace the cleaner on my Z11, then financially lucrative when I found out how few NOS ‘71-‘72 BB ZL2 cleaners were out there. I have since made my own reproductions like camaronut, and have sold several over the years. Easy to spot weld including the vacuum tube clamps on underneath, use an NOS 4 spot vent and a green A/C vacuum signal valve, and it will pass for OE, albeit a LOT less expensive.
The cleaner pictured is for L48 applications only, although in the day you could order one over the counter and put it on any engine, though most people would have used the 6485235 cleaner, available OTC for a greater length of time (6485234 was discoed first). I know because I had my best bud run the numbers on the parts locators in the ‘80’s. Interestingly, the L48 and the Z28 demanded the same 270 coil assembly, which ain’t so easy to find, either -

Regards,
Steve

29
Restoration / Re: Tail Panel Black-out
« on: August 30, 2022, 07:49:16 PM »
Try this thread. There are innumerable looks in the site, go to the “Search” tab on this page and enter the topic you want to search for - you’ll be amazed at what you’ll be able to find in just a few keystrokes. Anything, anytime - for free !

http://www.camaros.org/forum/index.php?topic=16070.msg144671#msg144671

Here’s a good ‘68 thread -

http://www.camaros.org/forum/index.php?topic=17013.msg154372#msg154372

Some good pics. Discussions about proper finishes here and on many other threads-

Regards,
Steve

30
Mild Modifications / Re: Factory Camshaft spec's for 1967 L48
« on: August 07, 2022, 08:54:37 PM »
Check the specs on the Comp Cams 195/222 camshaft - listed as the replacement for L48 applications. The 222/222 cam is a 350/325 horse application (L79 327) ala the "151" hydraulic cam. Reliable camshafts to be sure -

https://www.compcams.com/products/comp-camshafts/factory-muscle.html

Regards,
Steve

Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range:600-4,800
Grind Number:929H
Cam Type:Hydraulic Flat Tappet
Lifter Style:Hydraulic Flat Tappet
Camshaft Series:Factory Muscle
Usage:OEM
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration:319
Advertised Exhaust Duration:320
Intake Duration at .050 Inch Lift:195
Exhaust Duration at .050 Inch Lift:202
Intake Valve Lift:0.39
Exhaust Valve Lift:0.41
Lobe Lift Intake:0.26
Lobe Lift Exhaust:0.273
Lobe Separation:112
Intake Centerline:112
Exhaust Close ATDC:42
Intake Open BTDC:49
Exhaust Open BBDC:98
Intake Close ABDC:81
Camshaft Gear Attachment:3-Bolt
C.A.R.B. E.O. Number:D-279-5

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