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107548 Posts in 12507 Topics by 4812 Members
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16  Camaro Research Group Discussion / General Discussion / Re: New guy new project 69 Camaro on: November 30, 2014, 01:54:57 PM
DEL, my book shows HK as ;1965 Corvette 327 cid 365 H.P. 4sp. Holley 4-BBL. or 1969 passenger car 350cid 300 H.P. powerglide High Perf.

Is the first character "F" or "V"?
17  Camaro Research Group Discussion / Restoration / Re: Windshield Washer Nozzle Cement on: November 25, 2014, 11:13:41 AM
3M "Strip-Calk" is the same material as the "dum-dum" originally used in the plant for that application (and others).
18  Camaro Research Group Discussion / General Discussion / Re: Ron Pratte collection on: November 16, 2014, 11:43:42 AM
Anybody watch the velocity/Barrett Jackson / ron pratte collection TV show? Very interesting.

It's on Velocity Sunday afternoon from 2:00PM - 3:00PM.
19  Camaro Research Group Discussion / Maintenance / Re: '68 Oil Fill Tube Breather on: November 14, 2014, 09:08:12 PM


I'm reaching out to the experts! What are my options to replace the c(r)ap?

Swap the old oil fill tube and cap from the original stock manifold to the Edelbrock manifold - the hole is the same size.
20  Camaro Research Group Discussion / Decoding/Numbers / Re: Rear end date stamp 67 Norwood on: November 11, 2014, 10:01:29 AM
When was the rear end stamped for a 67 Norwood camaro built 1st week june? Were there racks of rears with codes on them  and were picked out or was the rear stamped for each car?  Would a May 10 stamp work for a June 2nd built car?

The rear end (axle tube) was stamped when the rear was assembled at Chevrolet-Detroit Gear & Axle, not at the car assembly plant. May 10th is fine for a June 2nd-built car.
21  Camaro Research Group Discussion / General Discussion / Re: Lug Nuts on: November 09, 2014, 11:19:08 AM
Hello everyone!!!  Would anyone know if the lug nuts on Camaros are suppose to be "plated" or just be a "raw lug"Huh  The reason I ask is, because I bought a real set that have the three (3) diamond symbols stamped on them.  It looks like he wired brushed them, but I don't want them to rust.  Any info will be helpful.  Thanks guys!!    Don



GM used 500,000 lug nuts every single day, from many different suppliers, and each supplier had to have his identification on the face of the nut, which was either zinc plated or zinc chromated - there was no such thing as a "raw" (unplated) lug nut. See the GM lug nut drawing below with notes on supplier identification and plating choices.
22  Camaro Research Group Discussion / Decoding/Numbers / Re: 396-375 H.P. JJ CODE ? on: November 08, 2014, 12:43:58 PM
Got a photo with the pad in the light instead of in the shadow?  Smiley
23  Camaro Research Group Discussion / Originality / Re: Original battery hold down bolt on: November 07, 2014, 09:38:55 AM
John,
How would the bolt stay tight at half of it's recommended torque?
Is the plastic case compressing and compensating for the lack of bolt stretch or are the teeth on the conical washer keeping the bolt tight?
Bob

"Recommended torque" on a fastener is determined by Fastener Engineering based on the type of joint and the joint materials involved; the fastener's job is to establish and maintain clamping force in the joint, and the torque required to do that is a function of the materials in the joint.
In this case was the conical toothed washer used to maintain clamping force because of the soft joint? If not, why was toothed washer specified in this case?
Bob

I guess you'd have to ask the responsible release engineer about the specifics.
24  Camaro Research Group Discussion / Restoration / Re: '68 lower control arm won't fit in subframe on: November 06, 2014, 09:47:11 AM
Hi John, I see the serrated edges on the inner sleeve of the upper control arm bushings. The edges of my lower control arm inner sleeves appear to be smooth. On both the replacement Moog bushings I have and the originals. That being the case, I just wanted to verify that the inner sleeve of the lower control arm bushing is supposed to be clamped between the sides of the subframe crossmember so it can't rotate.

Then only reason I was considering the grease is because so many people seem to have problems getting the lower control arm bushings in. Everyone seems to be greasing them and then beating them with a big hammer.

How did they get them in at the factory?

Thanks.....Dave

Big hammers and wedge-type tools were used frequently to install the control arms to the subframe. When that bolt is torqued, it locks the inner sleeve solid to the walls of the pocket in the subframe - that's why the Assembly Manual has the note to torque them with the suspension at design ride height (so the rubber element in the bushing doesn't become preloaded in torsion when the car is on wheels).
25  Camaro Research Group Discussion / Originality / Re: Original battery hold down bolt on: November 06, 2014, 09:39:04 AM
John,
How would the bolt stay tight at half of it's recommended torque?
Is the plastic case compressing and compensating for the lack of bolt stretch or are the teeth on the conical washer keeping the bolt tight?
Bob

"Recommended torque" on a fastener is determined by Fastener Engineering based on the type of joint and the joint materials involved; the fastener's job is to establish and maintain clamping force in the joint, and the torque required to do that is a function of the materials in the joint.
26  Camaro Research Group Discussion / Restoration / Re: Vacuum tube/ washer hose on: November 05, 2014, 12:45:49 PM
Does anybody know what size is for the windshield washer and the size for the AC vacuum hoses? A place that sells reproduction hose?

Take pieces of your old hoses with you to your local auto parts store as references for diameter - they all have many sizes of small rubber hose on spools. Lots cheaper than "restoration/reproduction" hoses.
27  Camaro Research Group Discussion / Restoration / Re: '68 lower control arm won't fit in subframe on: November 05, 2014, 12:41:48 PM


Now I need a suggestion on the type grease to use on the ends of the bushings as I drive the control arm into the subframe. These are stock type rubber bushings

You don't need ANY kind of grease on the ends of the bushings - none is either required nor specified; when you torque those bushing through-bolts with the suspension at design ride height, the serrated ends of the hardened inner sleeves bite into the subframe pockets and lock that center sleeve rock-solid - you don't want it to move or help it move.

There's also no movement between the outer sleeve and the control arm - it's also locked solid; all rotational movement between the control arm and the subframe takes place in the rubber element of the bushing, which is bonded to the O.D. of the inner sleeve and to the I.D. of the outer sleeve, so no movement = no lubrication required.
28  Camaro Research Group Discussion / Originality / Re: Early 1968 Z/28 original tires? on: November 05, 2014, 12:30:31 PM
For all applications (except Space-Saver), all five wheels and tires were the same; only the trim pieces (center hubcaps, full wheel covers, and trim rings) were four to a car.
29  Camaro Research Group Discussion / Originality / Re: Original battery hold down bolt on: November 05, 2014, 12:25:27 PM

Same part number 3758783 and torque used in all three years of production for this particular bolt.
Why would the torque of 60-80 in lbs (6.6 ft lbs) be applied to this bolt when the same size bolts in the same area have 120-180 in lbs (12 ft lbs) applied to them.

On the battery hold-down application, the bolt is bearing down (through the clamp) on a molded tab that's part of the plastic battery case - a "soft make-up" application; too much torque, you break the case and have acid everywhere. Other applications using the same bolt join two steel parts, with "hard make-up" joints.
30  Camaro Research Group Discussion / Decoding/Numbers / Re: Body Stamping Plants on: November 05, 2014, 12:19:10 PM
Thanks John; do you know how many stamping plants were used for Camaro, and their locations?

Nope, I don't recall - Fisher had eleven or twelve stamping plants in those days.
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