Re: [AMC-List] 65 Marlin Instrument Bulbs

[Arfon <Arfon@xxxxxxxxxxxxxxx>]

I've wanted to put LEDs in my panels but it hasn't been high on the list...

The issue with LEDs are that they are not omni-directional.  My 67s have 
alot of illumination done through the edge of clear plexiglass (light 
pipes).  LEDs just shoot straight up.  Not sure of the answer.


As for the heat of 168s. Dunno.  The heat will be directly proportional to 
the current draw so, if 168s pull a significant more amount of current, the 
heat will be significantly more.

Try this...  Take a 158, impede airflow around it (a towel, in a small box 
or etcetera), put 12V across it and measure the temperature.  Do the same 
with a 168 and see how much hotter it is.




>I was wondering why my instrument panel bulbs for the backlighting seemed 
>to be a little dim (typical of old 60's car...I think). I have a mixture 
>of 158 (stock) and 194 bulbs which appear to be comparable per the 
>information on this web page:
>
>http://www.theherd.com/articles/bulbs.html
>
>I am thinking about going to either LED replacements or the 168 bulbs, A 
>little worried the 168 bulbs may bet a little too hot. Anyone had 
>experience in this area?

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