I know that the JG ant going to make a Change but any one having a 55 Corvette should know that there were three different design headlight bulbs. And you should keep your eyes open for them.
1 Was a tin back silver color which shows no 12V logo in the glass cover ,NOS will have 12V sticker on glass that is removed when installed. (rare)
2 Was also a tin back black color which now shows the 12V logo in the glass cover.(common)
3 Was a true seal beam ALL glass unit also having the 12V logo in the glass cover.(rare)
This is only a guess but the first design bulb would correspond to a 55 having an engine with 54 dating and first design Dist. & Carb.
Second design a guess again would end around #400 and second design Carb.
Last design around #400 to end of #700
Any T-3's used was a replacement bulb.
All are welcome to dispute My thoughts on this.
1 Was a tin back silver color which shows no 12V logo in the glass cover ,NOS will have 12V sticker on glass that is removed when installed. (rare)
2 Was also a tin back black color which now shows the 12V logo in the glass cover.(common)
3 Was a true seal beam ALL glass unit also having the 12V logo in the glass cover.(rare)
This is only a guess but the first design bulb would correspond to a 55 having an engine with 54 dating and first design Dist. & Carb.
Second design a guess again would end around #400 and second design Carb.
Last design around #400 to end of #700
Any T-3's used was a replacement bulb.
All are welcome to dispute My thoughts on this.
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