Piston Slap: What to Do at the HID Dead End?
What can I do about the low-beam headlights on my 1996 Lincoln Mark VIII LSC? Does anybody make replacement parts for this car?
Just so everyone knows, the OP’s concern is that nobody makes replacement headlight bulbs for this application, so here’s an update on my proper replacement D2S adapter for the Sylvania 96-98 Mark VIII HID bulb: I gave up.
It took over a year to get CAD drawings rendered — you get what you pay for — and never found a machine shop that’d make a batch without breaking my personal budget.
Speaking of, this mothertrucker is a huuuuuuge product liability: I love the Lincoln community, but damn son, it’s not worth the risk.
So what did I do?
I was down to one functional HID bulb after wrecking my poor Mark VIII, so I got the Delrin 9006 bulb adapters, bolted them to my (now removed from the stripped wreckage) headlights and laid out a Philips HID conversion kit for Classic Cars of Houston to install upon reassembly.
I selected the close-to-stock 4200k color bulbs, and their beam is probably better than stock. I reckon it’s a function of the more efficient HID ballasts, which weigh nothing compared to the inefficient aluminum bricks from the mid-1990s. Sadly, since this is a 9005 bulb bolted to an assembly designed for a bespoke Sylvania HID bulb, I am 99-percent sure the bulb-to-enclosure geometry isn’t completely spot on.
It is very close to the original look, probably because I am using an HID-specific headlight assembly. Am I happy with the result? No, but they’ll fly under the radar in Texas, where lifted trucks with insane HIDs are commonplace. I wanted those D2S adapters to be guaranteed a perfect geometry/light output using a factory style D2S bulb, but you never know if the grass really is greener.
If you want to take off where I left, contact Daniel Stern: I donated my “work” to him. Or maybe one day there will be a DOT legal LED bulb that will simply drop in. I won’t hold my breath for that.
[Images: © 2016 Sajeev Mehta/The Truth About Cars]
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