AFrench Blue '69 GTV Restoration - Page 62 - Alfa Romeo Bulletin Board & Forums
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post #916 of 1594 (permalink) Old 07-23-2015, 08:52 PM Thread Starter
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Well it seems that there are absolutely no spares to be had of these rubber seals for the lights...or at least no one is willing to part with whatever they may have in hand as spares.

As a result, I've been in contact with one of the Italian manufacturers of reproduction seals to see if they'd be willing to reproduce these. And the preliminary discussion has been positive. In order for me to determine whether or not this becomes viable, is to know how many of you 1969 GTV owners out there would be interested in a set of these. If you are, please send me a PM indicating interest...although the price point is still to be determined. I would think that seeing how tail light assembly seals are going for around $35-48 a set, and these being a much lower volume proposition, a price of $50-60 a set...seems about right. Any thoughts?


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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
1969 1750 GTV 105.5 , 1972 Montreal
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post #917 of 1594 (permalink) Old 07-24-2015, 05:02 AM
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I'm game. Since these lights hang "boots up" it's preferable that the boots be the correct one-piece configuration. There may be wider interest since these are on several Italian car models (Ferrari 330 GT, Iso Grifo, etc.).

Brad
'69 Series 1 GTV (105.51)

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post #918 of 1594 (permalink) Old 07-24-2015, 11:03 AM
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Quote:
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The second thing that's stumping me are the headlight and fog light seals
Why do you, and I think others, refer to the inner headlights as fog lights?

On my '71 the inner headlights are the high beam lights. Is there different wiring for American cars??.
Pete

'71 1750 Series 2 GTV:
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post #919 of 1594 (permalink) Old 07-24-2015, 02:30 PM
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Why do you, and I think others, refer to the inner headlights as fog lights?

On my '71 the inner headlights are the high beam lights. Is there different wiring for American cars??.
Pete
On USA models, the outer lights are high/low beams while the inner lights are fog lights. This possibly came about because the US required a specific size for headlights, and the 5 3/4" inner lights were too small.

Brad
'69 Series 1 GTV (105.51)

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post #920 of 1594 (permalink) Old 07-24-2015, 07:49 PM Thread Starter
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I'm game. Since these lights hang "boots up" it's preferable that the boots be the correct one-piece configuration. There may be wider interest since these are on several Italian car models (Ferrari 330 GT, Iso Grifo, etc.).
Ok that's 2 sets so far....one for me and one for you. But you may be right w.r.t. these being used on these other cars...however, I don't have the time (nor the contacts) to explore this possibility. What was surprising to me is that the suppliers offering new reproduction assemblies didn't bother to offer correct seals for them.


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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
1969 1750 GTV 105.5 , 1972 Montreal
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post #921 of 1594 (permalink) Old 07-24-2015, 08:37 PM Thread Starter
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Update time....been chugging away at the numerous details as of late....and thankfully I have even managed to completed some! Such as installation of tailight assemblies and the installation of some of the back end scripts and badges.

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I opted to go with new rubber seals and screws from CA,and new lenses that I picked up years ago...for which the prices of these today have doubled I see....yikes! The rubber seals were well worth the money and really help to seal off these lenses nicely. Using the old original tired & cracked seals would not have done justice to the new lenses at all.

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The tailight assemblies I completely disassembled, I used new tinned copper wire and new connectors, installed new threaded inserts (where stripped or damaged), cleaned the bulb contacts and installed these using electrical grease.

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BTW...re-assembly of these took forever, mainly due to me wanting to stay with the brass tubular rivets. Finding correct clinching tools to install these rivets really was a right PITA.
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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
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post #922 of 1594 (permalink) Old 07-24-2015, 09:01 PM Thread Starter
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New tailight reflectors are available now from some suppliers. I opted to clean mine up a little bit and same a little coin while doing so. Simply bend back the flanges slowly and carefully, the metal is rather soft and mars quite easily.

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Between the reflector lens and the base these is a .002" aluminum foil that needed to be replaced in due to corrosion.

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The back of the lens needed a good clean-up...I picked up some thicker foil at the box store.

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The backing plates I bead blasted and painted with silver rust paint.I cleaned up the brass nuts....but used new lock washers.

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On reassembly I used clear silicone to seal between the foil to the lens, and between the foil to the backing plates as well. That should keep out moisture once and for all.

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I also used silicone to seal between the completed reflectors and the tailight lenses themselves.

Next I'm tackling the headliner......


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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
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post #923 of 1594 (permalink) Old 07-24-2015, 11:48 PM
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Ok 1750GT - "correct clinching tools" for the brass rivets - I would be interested to see a pic of what they look like, a name to search for, and maybe a supplier.

Those rivets are used on things like heater valves too, and I've not seen them or the tool before.

Would you mind, please?

Nice work on the reflectors, by the way.
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post #924 of 1594 (permalink) Old 07-25-2015, 02:23 AM
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Very, very nice work!
Pete

'71 1750 Series 2 GTV:
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post #925 of 1594 (permalink) Old 07-25-2015, 07:18 PM Thread Starter
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Ok 1750GT - "correct clinching tools" for the brass rivets - I would be interested to see a pic of what they look like, a name to search for, and maybe a supplier.

Those rivets are used on things like heater valves too, and I've not seen them or the tool before.

Would you mind, please?

Nice work on the reflectors, by the way.
Well....initially I attempted to lathe out a tool on my mini lathe, but I could not machine the correct end form shape at all. I then came across two sources of a proper clinching punch needed to form over the brass tubular rivets....without this type of tool you can’t get the rivet to form properly.

One source is an e-bay seller whose store is called Mr.Lionel. I believe I bought tool # ST350-9. Seems that these are used to form brass rivets on model trains sets....somewhere.

The other source was the Hanson Rivet Company...however they were more expensive plus they did not reply to my e-mail inquiries whatsoever.

The rivets i purchased from e-bay seller arihavelectronincs....you'll need a lot more than the minimum req'd ....I believe I bought a bag of 50. I practiced on set of broken light assemblies that I picked up on my journeys over the years... and these also came in handy for scavenging good parts from.

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The end shape I could not reproduce on my mini lathe....but not for lack of trying...rather lack of proper cutters & skill.

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One problem I encountered when forming these rivets is buckling or collapsing of the rivet at mid point. These rivets like the original are thin wall ...less than .010"...and since the plastic of the housing is rather week, it cannot support the rivet laterally during the peening operation. So I machined up a back-up tool with a stem that fits inside the diameter of the rivet.

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This is the back-up tool in position...

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After practicing a dozen or so times, you eventually get the right combination of weight and force required to form the rivet properly.

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post #926 of 1594 (permalink) Old 07-25-2015, 08:54 PM
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Impressive.

Excuse me, but I think I'll get back to my meccano set now. ��
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post #927 of 1594 (permalink) Old 07-27-2015, 12:51 AM
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Words fail me...

'70 GT Junior 1300 Series 2, 105.31
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post #928 of 1594 (permalink) Old 07-27-2015, 06:24 AM Thread Starter
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Impressive.
Excuse me, but I think I'll get back to my meccano set now. ��
LOL....
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Words fail me...
Gents...this is not brain surgery....but just another small challenge requiring a liitle bit of perseverance.....and patience.
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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
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post #929 of 1594 (permalink) Old 07-27-2015, 07:33 AM Thread Starter
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Very, very nice work!
Pete
Thanks Pete....the journey is at times very frustrating....but after all is done is rewarding indeed....


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1971 1750 GTV 105.48 (sold), 1972 1300GTJunior (sold)
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post #930 of 1594 (permalink) Old 07-28-2015, 06:11 AM
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****, now I have to get a mini-lathe
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