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105625 Posts in 12334 Topics by 4753 Members
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61  Camaro Research Group Discussion / Originality / Re: vaccum hose connection on: August 12, 2014, 11:43:49 AM
So is the EGR hose holder clip only on big block?

No 1st-Gen Camaro had EGR, but the L-78 had a clip for the PCV hose that mounted under the right front carb nut.
62  Camaro Research Group Discussion / General Discussion / Re: Original dealer info for 1st gens is available on: August 12, 2014, 11:09:40 AM

I've read where you said that before, and I'm not doubting you..  I'm just using the data (by month) that CRG provides us.

For the 912/day to be true... the month end totals would have to be off by *several weeks of production* if true.... and there would have had to be a LONG shut-down time that summer of '69 before they resumed production...??    I recall reading in some car mags back in 69, that salaried employees ran production for awhile.. during an 'hourly' hold out or ??  and if so, their production rate would have surely been less...    Can you shed any light on that?

A lot of those magazine articles were "fairy tales", written by folks who had no clue about how manufacturing plants operate; salaried employees didn't man the line and build cars. How many cars do you suppose 100 salaried guys could build, replacing 4,000 hourly assemblers spread across 16 miles of conveyors? None - it's a fairy tale.
63  Camaro Research Group Discussion / Maintenance / Re: technical articles by JohnZ on: August 11, 2014, 11:20:48 AM
I have some more technical articles to add - just need to buckle down and clean them up so Bryon can re-format them.  Smiley
64  Camaro Research Group Discussion / General Discussion / Re: Original dealer info for 1st gens is available on: August 11, 2014, 10:40:22 AM

your number, 643537 was the 6431st Camaro that month.    ie.   6431 of 13,217 during May.   There was 21 work days that month, so Norwood produced an avg of 629 Camaros per day.   

There are some holes/errors in those Chevrolet-provided numbers, as the line speed never changed - Norwood built 912 per day, every day, even if it took overtime to do so.
65  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 08, 2014, 10:20:58 AM
My only reason for leaving the tubes in place is the 30 degree countersink under the tube - the tube seat seals that, then the flat nail head seals the top of the tube.

That's why I use the #10 x 1/2" flat head machine screws - they have a flat top, and a 30-degree taper on the bottom that matches the countersink in the manifold that would normally be sealed by the tube nut.
66  Camaro Research Group Discussion / Maintenance / Re: 67 gas cap on: August 07, 2014, 09:42:48 AM
The cap contains a 2-way vacuum/pressure valve which allows air entry to replace the volume of fuel used so the tank doesn't build a vacuum (which can result in fuel starvation or partial collapse of the tank), and allows pressure relief at a certain pressure level to avoid distortion of the tank. Both sides of that valve need to be working.
67  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 07, 2014, 09:35:40 AM
You can use roofing nails (galvanized) in the extension tubes - seals off the extension tubes, flat surface to seal on. Drop them in, tighten the tube fitting and you're all set.

My opinion - others ?

Regards -

That leaves both the extension tubes AND the roofing nails in the exhaust stream - I prefer to knock out the extension tubes and use the #10 x 1/2" flat head machine screws to plug the holes; leaves nothing at all in the exhaust stream.
68  Camaro Research Group Discussion / General Discussion / Re: ebay 302 on: August 02, 2014, 07:06:17 PM
I sent him a note and told him it was a really bad re-stamp, since all DZ 302 engines were built at Flint (V), and none were built at Tonawanda (T). His response?  "Yep."
69  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: August 02, 2014, 12:42:14 PM
By the way, I've seen these as early (bright polished) editions, and the matte finish late models, on Corvettes, plus the 18" blades on Mopars. They may be aftermarket, but I've seen a lot of pairs sell for large prices, plus even Classic has them advertised in the catalog as repops. Coincidental, I'm sure.

The "aero" wing blades were never used on Corvettes, either; both Anco and Trico blades were used (in pairs) on '63-'67 Corvettes, but only in the normal (non-"aero") configuration. Vendors will tell you anything to sell you parts, and I'm sure more than one has tried to sell "high-performance cars got hiigh-performance wiper blades from the factory".  :-(
70  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: August 01, 2014, 10:56:51 AM
The "Aero" (wing) feature was only on aftermarket blades - none were ever used in production.
71  Camaro Research Group Discussion / General Discussion / Re: Shift knob on: July 31, 2014, 09:26:01 AM
It's not even a GM part - it's a Hurst aftermarket knob.
72  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: July 31, 2014, 09:23:57 AM
 Can I pull the belt and run it without? I here guys talk about deveining. I guess that means to pull the guts out of the pump. I would rather not do that. What can I do or not do? Thanx... Danny

You can run it without the belt if you like.
73  Camaro Research Group Discussion / General Discussion / Re: Original dealer info for 1st gens is available on: July 31, 2014, 09:20:44 AM
Absolutely, GM determined when a particular car was to be built based on their schedules, and their part availablilities and Fisher built it.  There wasn't really much on the fisher side of the plant that could result in a material shortage that wouldn't alos affect the GM side.  Maybe things like convertible and vinyl tops in certain colors, some interior peices, etc.  Most of fishers parts were sheetmetal stampings that were not specific to a certain vehicle, like a 302 engine, or an M22 transmission. I'm sure there were some things on the Fisher side that could delay a build, but most of them was probably on GMs side.

So was Fisher sort of like a supplier to Chevrolet in that Fisher's production was to produce bodies for orders placed by Chevrolet?

Yes. Retail customers didn't order BODIES, they ordered CARS. Chevrolet ordered the body needed to fill a dealer order from Fisher Body, completed the Trim-Chassis-Final assembly when they got the body, and shipped the car to the dealer. This business model confused people for 65 years, and Fisher Body Division was finally eliminated as a separate operation in GM's 1985 re-organization.
74  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: July 30, 2014, 10:00:35 AM
<< Well I was finally able to do some checking on the underhood temps.  I drove the Z for between 2-3 miles to get the engine up to temp.  The outside air temp was in the mid 80's.  While driving the temp gauge stayed right around the first quarter marking, maybe one mark up toward the half marking.  While idling in my driveway the gauge read right at the one half marking.  The engine would not hold a steady idle but slowly had the idle decrease until the engine died.  This happened 3-4 times.  While the engine was not running the temp gauge would increase until it was between the one half marking and the three quarter marking.  This I take to be normal due to heat soak.  
Here are the temps I recorded with an infrared gun:  

radiator hose at thermostat- 183, bottom radiator hose- 164  >>

The last line above are the only temps that mean anything, and they're normal - don't agonize over all the other external temps - they are what they are, and you can't change them. You don't have a cooling problem, you have a typical fuel percolation problem, aggravated by low E10 fuel boiling points. Insulating your fuel line from the frame to the carb will help, as will an aluminum heat shield that extends under both fuel bowls. E10 fuel boils at 150*F, and at extended idle, the fuel bowls get hotter than that.

75  Camaro Research Group Discussion / Decoding/Numbers / Re: Need Help Identifying GM Wood 2X Pantograph Model Part No.331707 on: July 30, 2014, 09:35:31 AM
If you chased that back far enough, you'd probably find that it's an old Ternstedt part number, from the days when they had an inside monopoly on die-cast ornamentation.
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