Dave:

Thanks for the research as I've been toying with different headlights.
One problem that I have (and I haven't measured to be sure) is that my three- 300's seem to crank out different amounts of light period.
I notice it regardless of what bulbs are in the headlight slots as well as the dash spots. I've done the same treatment of white paint on my dash and yet all three are distinctively different.
The same goes with the headlights to the point that I wonder if my '84 just does not yield the same output???
I bought Hella H-4's for the '84 and although the car is much improved, those headlights still yield less night vision than my '85 which has sealed beam headlights. Doesn't matter where they are aimed????

Don

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DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed