Oh, an oil additive. I had never heard of it before...
Okay - Thanks!
Okay - Thanks!

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Show posts MenuQuote from: Bob Gaines on January 08, 2023, 01:21:44 PMQuote from: 430dragpack on January 07, 2023, 09:13:36 PMI agree that the pictured air cleaner assembly is genuine and was typical for early GT500's prior to the introduction of the die cast base and lid.
It appears to be an original earlier '67 sand cast top and bottom and they had the straight leg "R" as well as other different letter shapes/features. The first sand cast lids were natural aluminum finish and the second variation was black crinkle painted like the one in the first post. I can't tell from the pictures, but the side/edge of the lid should be aluminum finished as well, no crinkle paint. The picture Wedgeman posted is of a die cast, curved leg "R" that was used later in '67-'68.
Quote from: Kent on January 08, 2023, 07:20:48 AM
I would say this is a later produced piece I have some similar ones here and also some originals, and also if you have the originals and later produced ones side by side its hard to divide them.
Quote from: TA Coupe on January 08, 2023, 02:14:08 AM
http://www.nvsaac.com/shelbyparts/Shelby_tech_main.htm
Also very long discussion here:
https://www.saacforum.com/index.php?topic=16457.0
Roy
Quote from: MikeljGT500HE on October 01, 2022, 04:57:04 PM
Nice work on the dealers, very hard to find info on them. I am still looking for info on Cutter Ford in Anaheim (I think). Is there any out there?
Quote from: Side-Oilers on August 03, 2022, 10:55:26 PM
SFM66H wrote: "I'll never understand why car magazines omitted the issue info so prevalently in the 1960's..."
Please allow me to elaborate: Having some experience with car magazines like Motor Trend, a lack of issue date and page number on some pages often had to do with last minute ads that took the place of an already-numbered editorial page.
The more ads, the more changes. It's a domino effect.
When that happened (of course the publisher loved it! More $$!) the editor would have to quickly reconfigure the remaining pages to fit, cutting out one or two or more pages, depending on the numbers of late ads. Eliminating the page number and date was the simplest way to move things around...and perhaps having to move them a second time.
Sometimes, the ad guys would sell enough late ads that the editor would have to come up with 4 or 8 additional finished pages of articles, to plug in at the 11th hour and 59th minute. We always were working on a few extra stories, just in case. If those didn't need to be late-added, they went into the next month's issue.
Often, this reconfiguring happened during "blue-line" which was like a blue print of the magazine (some printers used brown ink, therein called a "brown line.") Those were one-color press proofs (smelled strangely like formaldehyde) that were made on press check mockup heavy heat-transfer paper (like a 1960s Xerox copy) but before sending through the full printing process. All changes made at that point were completely done at the printer, out of the editor's hands and control. There wasn't time to do otherwise. Between blue-lines arriving at the offices, and the time when you had to call the printer with any fixes or additions, was less than a work day.
Thus, the blue- (or brown) line was literally the last chance to change or correct anything, and also gave the editorial and advertising staffs their first and only chance to see a full mock-up with photos, before the presses rolled. So, any changes had to be made with the editor or art director on the phone telling the printer what to cut and what to add. Before fax machines were common, and in the days of Linotype machines and actual "cut & paste" with an Xacto knife and hot wax.
Yes, errors were occasionally added in. There's an old Petersen urban legend that during a blue-line check of Hot Rod or Car Craft, someone outside of the editorial department changed "barrel" to "bucket" in a tech story on a Holley carb...because they thought the word barrel had been used too many times. How pissed would that editor have been when he saw that for the first time in the "tear copies" of the finished magazine? And how many reader letters would he have received that month calling the editorial staff a bunch of idiots?
BTW: "tear copies" (as in "tear them off the press") are non-trimmed, non-bound pages of the entire magazine that's sent to the editor and publisher and art director to give them an advance look at the bound magazine to follow in a few days. Publishers used those to send out ahead of time to big advertisers. Editors typically sent them out to car companies they did a big story on. Or to call and apologize in advance for an error.
Okay, so that's more than anyone asked (no one asked) about the old days of hands-on magazine production. But it does hopefully explain why some magazine pages aren't numbered or dated.
As the late Paul Harvey would say: "And know you know the rest of the story."