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102288 Posts in 12073 Topics by 4661 Members
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46  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 17, 2014, 11:00:31 AM
John, serious about real coffee cans? Were the distributors timed and locked down by that time?
Was the distributor cap on too during the spraying process?
Heck, if it was a real can I'll use a Maxwell House can and replicate the process when I respray my block again.


Yup, coffee cans. The distributors came from Delco-Remy without the caps - the caps were installed right after the distributor was installed on the engne. The distributor was locked down later, when the timing was set during hot-test. The hot-test stands included a slave quick-connect ignition/plug wire harness and slave exhaust manifolds.
47  Camaro Research Group Discussion / Originality / Re: Amazing 69 Z/28 Survivor on: May 17, 2014, 10:47:43 AM

                     looking at pictures of amazing 69 z/28 surviver (wow) _ I see lifting lugs (painted silver) and safety cables_
     were these factory installed or dealer on a 9a car

The motormount recall was announced in March, 1972, 2-1/2 years after 1st-Gen production had stopped; the restraint cables were dealer-installled as part of the recall fix.
48  Camaro Research Group Discussion / General Discussion / Re: Dealer versus Customer Order on: May 17, 2014, 10:05:11 AM
80%-90% of cars were delivered from dealer stock, just as they are today; very few people get excited enough about a car to order one and wait for it to show up. Those of us on this forum are the exception, but the average new car buyer is NOT a "car guy" - they just "need a car", and shop price or monthly payment. "Sold Orders" got priority for production over "Stock Orders", but there weren't a lot of them.
49  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 16, 2014, 10:10:44 AM
John , thanks for the reply

was this coffee can mask process the same for aluminum intake engines and iron intake engines?

Do you recall what was used to mask off the aluminum intake and alu/chrome valve covers of the L78s and 302 Z engines?

Coffee cans were used to mask the distributor all engines.

Aluminum intakes and aluminum or chrome valve covers were covered with vacuum-formed plastic masks the engine plants made in their toolrooms.
50  Camaro Research Group Discussion / General Discussion / Re: Fitting auto trans oil cooler to 68 Camaro on: May 16, 2014, 09:49:43 AM
Point to punder, by GM design, the cooler is filled from the bottom and returns to the trans from the top fitting.
The add-on cooler should be filled the same way, from the bottom up, as this removes air from the tubes.

That's the same reason the heater core inlet is at the bottom and the outlet is at the top - reduces the "gurgling" sound that can be heard inside the car.  :-)
51  Camaro Research Group Discussion / Mild Modifications / Re: Engine swap--are all 327s the same? on: May 15, 2014, 02:15:42 PM

Somewhere in this forum I've seen discussion about engine mounts and motor mount bracket differences for different small engine/horsepower combinations on the 1st gen.  Since my 327 motor will have much more output than the original 327, what recommendations on engine mounts/brackets would you make?

That's covered here:
52  Camaro Research Group Discussion / Originality / Re: 69 Coupe vacuum hose on: May 14, 2014, 11:12:57 AM
Howdy all. My 69 is an unrestored 327/210; powerglide; PS; A/C car. At the rear of the intake is a vacuum fitting with 2 nipples - 1 to the A/C vacuum canister inside the L fender, and 1 to the tranny. The AIM doesn't have a clear pic of this (or a description), and  I'd like to double check it because I had to put a small hose clamp on the tranny tube side Angry (after finding a split in the short non-orig. hose) due to not being able to get a hose that will fit over both nipples - they appear to be different sizes. Huh Can anyone clear this up for me?? The space between the fitting & the steel tube from the tranny is only a couple inches. What am I missing here?

Y'all take care,
Mike (orig. owner Grin).

The nipple on the vacuum fitting and the pipe size on the end of the trans modulator pipe ARE different, as the end of the modulator pipe has a shoulder on it that bottoms out INSIDE the vacuum fitting nipple, and the connecting hose then fits over BOTH of them, which becomes essentially one diameter. See your Assembly Manual, Section M35, sheet A15, View "B".
53  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 14, 2014, 11:01:55 AM
on engines like the Z/28 and L78 with alum intake and chrome or alum valve covers.
I know they used some type of cover or masking device to mask off the valve covers and intake that resulted in different levels of orange paint overspray but was the distributor covered?

Did the distributor get any orange paint on a 302 Z or L78 engine and would the dist on an slum intake engine look different then an iron intake engine?

I have an unrestored 499 L78 L72 distributor and has no paint on it

The distributor was masked with a high-tech device (a coffee can) - the hold-down clamp portion of the housing sometimes had orange overspray, sometimes it didn't.
54  Camaro Research Group Discussion / Maintenance / Re: ALIGNMENT OF PITMAN ARM on: May 11, 2014, 11:02:07 AM
I should have said that I never took the Pitman arm off the power steering box. I was referring to the attachment of Pitman arm to the center link. I think you are saying that a wheel alignment at the shop should take care of it.

That's correct.
55  Camaro Research Group Discussion / Originality / Re: HOLLEY 4053 CARB on: May 11, 2014, 10:58:28 AM
If you know somebody that welds aluminum and does machine work it can be done that way.

Jerry MacNeish is a wizard when it comes to repairing Holley baseplates.
56  Camaro Research Group Discussion / Maintenance / Re: ALIGNMENT OF PITMAN ARM on: May 10, 2014, 09:12:24 AM
I had the power steering box rebuilt on my 68 Camaro. Now the bottom spoke of the steering wheel is not exactly at 6 oclock. Did I do something wrong in bolting up the pitman arm? Or is this normal and it will be aligned when I get the front end aligned?


The pitman arm has a "blind spline" to align it with the splines on the pitman shaft - it only goes on one way. If you have the rest of the system properly centered (rag joint to input shaft and to steering column shaft), you can center the steering wheel position while re-setting the toe-in.
57  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 10, 2014, 09:04:10 AM
Isn't that a water wall in front of them to act as an air filter?


It captures the overspray and contains it in a water-filled sump below the grated floor; there was a LOT of paint being sprayed at 300 engines per hour (one every 12 seconds).
58  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 09, 2014, 12:37:19 PM
John how did the guys painting the engines keep for breathing in the paint fumes? It don't look like they had respirators.

In those days, there was no requirement for personal protective equipment, unless it was requested; most people didn't bother with anything more than a simple mask.
59  Camaro Research Group Discussion / Decoding/Numbers / Re: 69 Muncie Transmission tag (pn?) on: May 09, 2014, 12:28:26 PM

Based on bcmiller's post below, were different PN's used on Muncies based on the *rear end ratio*??  Why would they do that??
(I'm trying to learn my 'Camaro new information for the day'...  Smiley

Because each different rear end ratio required a different plastic (I think) gear to make the speedometer read correctly.

Actually, the plastic DRIVEN gear was installed at the car assembly plant. What changed was the internal steel DRIVE gear that was pressed on the output shaft at Muncie;

Actually not pressed on, the gear slips over the tail end of the mainshaft and is secured by a spring steel clip. How do I know ? My '69 Z M20 clip broke, lodged in the reverse gear, and jammed the transmission. I made it to the station I worked at, pulled the trans and found the problem. New clip and back in business. Earlier Muncies pressed on - 

Yup - the nylon DRIVE gear and spring steel retainer started in '68.
60  Camaro Research Group Discussion / Originality / Re: Correct engine paint suggestions please! on: May 08, 2014, 11:45:00 AM
This photo shows what looks to be either a way to manipulate the engine for painting or part of the mask for the end of the water pump and the by pass hose is this correct?

Yup, that's correct.
JohnZ-You mean both? Manipulate engine and/or mask?

Yup, both.
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