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Messages - z28z11

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1
Decoding/Numbers / Re: Caveat Emptor - Future Rebody of 124379N511823
« on: July 16, 2018, 12:11:00 PM »
High side of ridiculous. Add a $13K Dynacorn body, $10K drivetrain, and you still don't have an original car. If I had $30K to spend on a Camaro, I bet I could find a good original car to sink that money in and have some left to boot.

I'm surprised the dash is still intact. I've seen cars from the rust belt that even dissolved the dash far enough back to take out the VIN area.

Regards,
Steve

2
Decoding/Numbers / Re: Caveat Emptor..block stamp
« on: July 10, 2018, 12:26:24 AM »
Note the ad was pulled - eBay substituted a "Z28" similar car. More legs than car -

Regards,
Steve

3
Garage Talk / Re: Measurement Tools
« on: July 07, 2018, 03:04:31 AM »
Gary,

Tolerance on these particular drills is an .008mm total h6 or k6 class, h6 is + 0.00/-.008mm (minus tolerance), k6 is +0.001/=0.009mm (plus tolerance). Target drill diameters are usually 3.968mm or 3.920mm h6 or k6. Yep, my company can grind them to these tolerances, and hold them. I get inspection reports with every order, unless one gets mis-placed (which is why I had to check them). It's a little tedious, but you get the hang of finding the high points of the margins after a bit. Don't get me wrong, a laser mic is way more reliable than me checking by hand -

Thanks,
Steve

4
Originality / Re: 69 Tilt Steering Column
« on: July 07, 2018, 02:51:32 AM »
You had it right - the original '69 tilt columns had the "Lock" label in line with the length of the column, later columns turned it 90 degrees. Depending on how late the column that you bought is, the lock plates changed slightly as well. Other applications used different shaped reverse lock levers on the end of the column, too - Pontiacs, Big Chevy, and other GM cars used the approximate lengths, but had curved and offset lock arms. Here's a link to a guy that does these - pretty sure I ran into this guy at Super Chevy Memphis years ago :

http://gmtiltsteeringcolumn.com/

If you think a '9 is difficult to locate or get right, find a good correct '68 for me. Tough -

Regards,
Steve

5
Garage Talk / Re: Measurement Tools
« on: July 05, 2018, 01:48:55 PM »
As bad a critic as I am about Chinese sourced tools, they'll work for what you need them to do. I bought a digital micrometer from my local store (in a pinch to accurately measure drill diameters down to the micron), and they worked as I hoped they would. Amazing results for $35.00 - but I still prefer a good Starrett or B&S if I can find a pre-owned one.

Regards,
Steve

6
General Discussion / Re: 1968 Z28 for sale on Hemmings
« on: July 04, 2018, 05:34:09 PM »
No 68 Muncies got an application code stamp, period. There are suspicions that those are inspection stamps (like the small squared off c) but nothing has been priven for sure.

Precisely what I was referring to - I've seen the small "c" stamp before. I haven't seen as many samples to know if it was regular or occasional, only that I have seen it before.

Steve

7
Decoding/Numbers / Re: Caveat Emptor...beware the carefully worded ad
« on: July 04, 2018, 05:28:32 PM »
What happened to the auction ? No longer shows on eBay under the link.

I have suggestion for this (unless someone has already promoted it) - why not invite any non-member self-believer to visit the CRG forum and see the reasons behind his questions about his ad(s) ? Probably save everyone a lot of time, although I know what we would likely risk in the way of tempers, bad language, and locked threads. I guess there are way too many self righteous experts around - I myself enjoy the weight of accumulated knowledge from multiple enthusiasts in answering situations such as this one.

Just my opinion -
Steve 

8
General Discussion / Re: 1968 Z28 for sale on Hemmings
« on: July 04, 2018, 05:08:21 PM »
68 muncies didn't have a suffix codes the practice did not begin until mid October 1969 Model Year. 

I've seen several '68 Muncies with a suffix stamp, lower case, not the same font size as the rest of the stamps. I have no idea what they correlate to (possibly a shift code ?). I doubt it's the ratio as in '69, but I wish someone could decipher it.

Agreed, nice car in my favorite color combo, but I would, like everyone else, want to verify every part pertaining to the Z option, plus very close pics of the block pad and surrounding surface to check for restamping. 68's without documentation are scary, especially at that aggressive price -

Regards,
Steve 

9
General Discussion / Re: 1967 pace car
« on: June 19, 2018, 02:22:02 AM »
Victor,

ngine assembly stamps were done at the engine assembly plant. Big blocks got their stamped assembly date and application code BEFORE the heads were installed.

Partial VIN was stamped later, at the vehicle sssembly plant. 

The partial VIN position is what I was referring to - in the pics, if the head was installed, you likely wouldn't be able to get the stamp holder in the position that stamp in particular appears. Engine code is usually far enough away, or depending on the year, stamped on the opposite side of the pad from the core plug.

Regards,
Steve

10
General Discussion / Re: 1967 pace car
« on: June 12, 2018, 03:48:55 AM »
The first car on Darrell's post looks to be a restamp, due to the fact you can't get the stamp around the core plug in the head right above it - interferes completely, plus it's very close to the edge of the head, also a good indicator that something's amiss. Awful lot of money for a questionable stamping -

JMO -

Steve

11
Mild Modifications / Re: 350 to 400 trans swap
« on: June 05, 2018, 03:18:02 AM »
400 trans is longer - plus the different yoke.

Regards,
Steve

12
Decoding/Numbers / Re: Caveat Emptor..block stamp
« on: June 05, 2018, 03:06:50 AM »
Restamped, I'd bet. Too close to the head - had to be stamped with the head off the engine IMO.

Could you actually have ordered N66 wheels on a Z to begin with ? I would have thought 14 X 7's would be a step down from the 15" YH's. 

Regards,
Steve

13
General Discussion / Re: Opinion on 1100814 Alternator stamp
« on: June 05, 2018, 02:42:40 AM »
Tough to tell. The only detraction to me is the different stamp depths, but otherwise I would use it. Creeping 814's are worse than 837's to find -

Regards,
Steve

14
General Discussion / Re: Trans Shifting Issue
« on: June 02, 2018, 10:27:32 PM »
You are correct - my first posi (69 Z) was my intro to the additive. Amazing to believe whale oil was ever used at all -

Wikipedia states the ban went into effect in 1972, prior to that 30 million pounds a year were used for transmission fluids and gear oils.

Regards,
Steve

15
General Discussion / Re: Trans Shifting Issue
« on: June 02, 2018, 04:44:49 PM »
While we are discussing trans and diff lubricants, anyone old enough to remember why you had to add a bottle of limited slip lubricant to the rear (after the late 60's ?). Hint - Something was taken out of the gear oils used with positractions.

Good Double Bonus question -

Regards,
Steve


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