...question is, which 7" sealed beam bulbs are the best for the Guide and B-L-C headlights?...brand?...part number? ...which ones are you using? inquirin' minds...
I use NOS AC units. I bought a case on Ebay. Have the old look, and the old gold glow. Probably not the brightest (me or the lights).
The most recent set I got were the H6024's. Speaking of which, what I find strange is the cost disparity of these units at the auto parts stores. I've very recently seen them range from $9 (each) at Walmarts to $26 at one of the auto chain stores. I just bought a set ( in the original boxes) at the swap meet at Macungie for $4. Go figure.
T-3s used and coveted by all the muscle car crowd. No one has commented on them so they might not have ever been noticed but I might have pissed off some picky muscle car restorers. They were a big deal when I did my 66 Chevelle. I think they repop the smaller variety now.