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Topics - Camarocards

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16
Originality / '68 L35 1100794 Alternator
« on: April 12, 2014, 02:24:11 PM »
I've disassembled the fan and pulley from my 1100794 alternator to send them out to get plated and have a couple of questions which hopefully someone can help me with:

1.) Both the fan and pulley have a slot in them which one would assume would be used with a woodruff key yet the shaft on the alternator does not has a slot for a key. I'm fairly certain that both are original to the alternator and car since the pulley does have the "7" stamped on it and the build date of the alternator (A25) is in line with the build date of my car (01D). Why would they have a slot in them if the alternator shaft does not have a key way?
2.) Are the pulley and the fan attached with a nut and lockwasher or a nut and a flat washer?

Thanks,

Bob

17
Restoration / Galvanizing a Fuel Tank
« on: February 23, 2014, 01:16:53 AM »
Has anyone ever had their fuel tank galvanized 50% Tin/50% Zinc)? I have an extremely clean original date coded tank that I'd like to bring back to a factory looking appearance and do not want to paint it. I realize the original tanks were Tern (20% Tin/80% Lead) coated and this formulation has long since been stopped due to the hazards of lead.

Thanks,

Bob

18
Originality / Rear Brake Standard Diameter
« on: February 11, 2014, 02:23:05 AM »
Does anyone know what the standard (inside) diameter of a '68 rear brake drum is? The Service manual states that it can be rebored 0.020" over the standard bore but I could not find what dimension the standard bore is.

Thanks,

Bob

19
Originality / '68 L35 4-Leaf Rear Springs
« on: December 10, 2013, 02:44:11 AM »
I need to replace the rear leaf springs on my '68 SS L35, M40, non AC car since two of the springs are broken on both the passenger and drivers side. The springs are original to the car and of the 4-leaf design. After cleaning the springs I uncovered the markings in the picture below. Can anyone decipher what spring code the markings may designate?

I understand that it was possible for a '68 L35 to have either a 4 or 5 leaf design according to the CRG:

"Generally, Z28's used 4-leaf springs and the other multi-leaf spring applications used 5-leaf springs. However, the use of 4-leaf springs was not limited to just 68-69 Z28's. Spring selection was a function of weight and options - and this was fine-tuned in 1969. SS, LM1, L65, and COPO cars with 4-leaf springs are possible according to factory documentation and they have been observed on original SS, LM1, and L65 cars."

HBC sells a 4-leaf spring and from what I've read, are nearly dead ringers for the originals, although they do state that the 4 leaf springs were typically used on the Z/28 or G31 suspension:(http://www.heartbeatcitycamaro.com/store/product/16815/Camaro-Leaf-springs-4-leaf-correct-1968-1969/)

I realize that there were many different leaf springs used in '68 but I want to make sure that the car sits at the right height and handles correctly. So before I plunk down $450, was it unusual for a '68 SS L35 to have the 4-leaf and not the 5-leaf design? Has anyone purchased these springs for use in a '68 SS L35 and can share their thoughts on fit, function and appearance?

Thanks,

Bob

20
Originality / Lower Hood Latch Springs
« on: October 28, 2013, 01:52:33 AM »
I'm about ready to phosphate the lower hood latch assembly and was wondering if anyone knows what the correct finish is on the two springs used in this assembly.

Thanks,

Bob

21
Originality / Oil Pan Bolt
« on: October 17, 2013, 03:01:55 AM »
Was the oil pan bolt installed prior to the engine being painted? If so, presumably the correct finish for the bolt is that it was painted. This is for a '68 BB.

Thanks,

Bob

22
Originality / Heater Hose Nipples
« on: September 24, 2013, 03:11:06 AM »
Were the heater hose nipples (not the bypass nipples) on the intake manifold and water pump on a '68 BB installed and painted at the time the engine was built?

Thanks,

Bob

23
Decoding/Numbers / '68 SS Emblem with Standard Grill
« on: September 22, 2013, 04:38:58 PM »
So I'm at the point in my '68 SS BB restoration where I thought I'd tackle something easy; the grill assembly. I reach into my stockpile of NOS parts that I've been collecting for 30+ years and pull out the grill, parking lights, upper and lower moldings and SS emblem. BTW, this is on a standard grill not RS. I paint the grill, install the moldings and parking lights and now move onto the SS emblem. I notice that the SS emblem on my old grill has a different backing plate (see first picture) and the studs are very much different in size than the NOS backing plate I had in my stockpile (see second picture). Now I can't say for certain that my old SS emblem is original to the car and it could have been swapped out by a previous owner prior to me purchasing the car in '78. So with curiosity getting the better of me I start to look into the part number on my NOS emblem box. The part number on the box is 3981921 and the casting number on the emblem is 3982043. A quick Google search later reveals two threads which talks about emblems:

http://www.camaros.net/forums/showthread.php?t=120003
This threads states that the NOS emblem I have is for a '71-72 Camaro

http://www.yenko.net/ubbthreads/ubbthreads.php?ubb=showflat&Number=473348
This thread states that the NOS emblem is for a '70 Camaro but goes on to say that it is similar in design to the '68 emblem (p/n 3919194)

So now I turn to the '68 AIM and sure enough part number 3919194 is listed on page 294. When I look at the diagram in the AIM, I also notice that the backing plate looks to be much smaller than the backing plate that came with my NOS emblem. Now I know that the AIM is not always correct and this diagram could simply have been a copy from page 138 that shows the standard bowtie emblem.

Totally confused, I start to look at some of the Camaro vendors websites and I see that some vendors advertise the smaller backing plate (here is one from HBC - http://www.heartbeatcitycamaro.com/store/product/14927/Camaro-Grille-emblem-retainer-plate-1967-1968/) while others sell the emblem with the larger backing plate (here is one from Rick's - http://www.rickscamaros.com/camaro-grille-emblem-ss-for-cars-with-standard-non-rally-sport-grille-1968.html)

Soooo....I have a couple of questions...

1. Did part number 3981821 supersede the original emblem part number (3919194) shown in the AIM and would it be correct for my application ('68 SS BB not RS)?
2. If part number 3981821 DID NOT supersede the original emblem part number (3919194) then what year(s) is it used on?
3. Was the original emblem backing plate for a SS car without the RS option, the smaller type plate or the larger type backing plate?

It would be great if any of the members could look at their BB survivors to see what type of backing plate it has.

So much for a simple and easy part of the restoration!  ;D

Many thanks,

Bob

24
Originality / Color of Heater Motor
« on: September 09, 2013, 11:13:04 PM »
Does anyone know the correct finish of the fan heater motor (for a '68 BB)? Was this painted at the same time as the heater box cover and thus received the same gloss finish? The only thing I found was this post (http://www.camaros.org/forum/index.php?topic=4843.0) which unfortunately did not have any responses.

Thanks,

Bob

25
Decoding/Numbers / Vacuum Advance Pod Number
« on: August 07, 2013, 12:12:06 PM »
I'm considering purchasing the correct date coded distributor (1111169) for my '68 L35 A/T project. The numbers on the vacuum advance pod are 201 15 and the number on the cam is CCW 534.

Are these correct for my application?

Thanks,

Bob

26
Originality / Big Block Distributor Hold Down Clamp
« on: July 17, 2013, 02:06:19 AM »
Which hold down clamp is correct for a '68 396/325? The wire type or the plate type?

Thanks,

Bob

27
Originality / BB Timing Chain Cover
« on: July 15, 2013, 01:26:21 PM »
Did the timing chain cover for a '68 396/325 have the timing tab welded on the cover or did it use a two piece design (cover plus bolt-on tab)? I believe the two piece design was for replacement covers only but not 100% sure.


Thanks,

Bob

28
Decoding/Numbers / Shock Absorber Nut
« on: June 14, 2013, 05:00:58 PM »
I was just about ready to install my front spiral shocks and realized that I don't have the nut that attaches the top of the shock to the subframe. On page 61 of the '68 AIM, it lists this nut as part number 1365067. I looked in the AMK catalog and unfortunately they don't list it. I already have the grommets and retainers so all I need is the nut.

Does anyone know what the dimensions and finish are of this nut? Anything special about it?

29
Originality / Brake/Fuel Line Clip
« on: June 07, 2013, 01:52:35 AM »
I posted this on the team Camaro website but didn't get a lot of response. Perhaps someone here knows the answer to my question.

Everyone seems to sell the '67-'68 brake/fuel clip (p/n 3881339) that is red in color. I've seen on some of the so called "restored" cars that this clip is phosphate. Did this clip come from the factory with the red color or was it phosphated?

Thanks,

Bob

30
Decoding/Numbers / Subframe Stamping and Inspection Mark
« on: May 27, 2013, 05:10:04 PM »
I'm into the subframe part of my 68 SS restoration and found the stamped numbers shown in the image on the drivers side of the subframe. The car is a 01D build so could the upside down "10" indicate that the subframe was built in October?

Also, I found what appears to be a yellow inspection mark on the front crossrail of the subframe. Has anyone else seen an inspection mark there?

Thanks,

Bob

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