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Joined: May 2009
Posts: 724
Oil Can Mechanic
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OP
Oil Can Mechanic
Joined: May 2009
Posts: 724 |
Anyone have the history on the T-3 bulbs? First ones produced and the last ones made? thx. Bill
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Joined: Nov 2003
Posts: 2,576 Likes: 2
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Nov 2003
Posts: 2,576 Likes: 2 |
the corvettes first used t-3's in 1956 and they were used at least up until 1972. the pattern embossed within the triangle of the t-3 varied by years. mike
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Yes, all GM vehicles used the T3 beginning in 1956.
Gene Schneider
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Joined: May 2011
Posts: 139
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: May 2011
Posts: 139 |
Here is some info on Guide T-3 Headlights that I found on modifiedcadillac.org > A Guide to Guide T-3 HeadlightsCan't guarantee the accuracy, but it is the only reference about the subtle differences that I could find. - Lonnie
1954 3100OLD STUFF ... houses, furniture, cars, wine ... I love it all
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Joined: May 2011
Posts: 139
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: May 2011
Posts: 139 |
I shouldn't have started looking at T-3 info. I found more. Still can't guarantee how correct it is. Date code info inked on the back of the bulb - from corvetteforum.com > Date Code DiagramVerbal description of date codes on corvetteforum.com > Date Code verbalHere are some T-3 reproductions: > Reproduction T-3 Diagrams> Reproduction T-3 Pictures- Lonnie
1954 3100OLD STUFF ... houses, furniture, cars, wine ... I love it all
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Joined: May 2009
Posts: 724
Oil Can Mechanic
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OP
Oil Can Mechanic
Joined: May 2009
Posts: 724 |
Thanks Lonnie...very helpful...Billu38
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