In Canada and the USA headlights must be between 56 and 137cm, measured at
the center, from the ground.� Tail lights 38 to 183cm and DTRLs 30 to
211cm

David Marshall
VW Adventure Driver and BMW Adventure
Rider
 
http://www.hasenwerk.ca

On Tue, November 10,
2009 14:55, Marc Sayer wrote:
> Yeah this is something owners of
those jacked up 4WDs never seemed to be
> able to get their minds
around. A headlight system is designed to be
> spaced within a
given minimum and maximum distance above the road
> surface. Get
outside that zone and no amount of reaiming will fix the
>
problems with the patterns produced. Some of the issues involved are
> simply insoluble. You can at least partly address the high vs low
beam
> pattern incompatibility by going to a 4 headlight system,
where you can
> aim the dedicated high beam housings independently
of the combo beam
> housings. Then, if your bulbs are up to it,
you can simply disconnect
> the high beam connectors to the combo
bulbs so you get high beams only
> from the dedicated high beam
bulbs. This lets you aim each set of
> housings for best effect
for that specific beam. Personally, I've always
> preferred the
light patterns from round headlights myself, assuming you
> get
good quality headlight housings and bulbs, and makes sure the bulbs
> are supplied adequate  electrical power. It's unscientific for
sure, but
> to me round headlights always seem to give a better
pattern than the
> various rectangular versions out there. And as
for those model specific
> "aerodynamic" headlight
housings, they range from down right awful to
> pretty darn good,
depending on the vehicle. But with them, you get what
> you get.
No way to improve them unless there is an E-code version you
> can
convert to. We did this with my wife's Grand Cherokee and the
>
improvement was simply astounding. Stock the headlights were almost as
> bad as the 86+ Vanagons. With the E-code version of the
headlights
> installed, it had amazingly good illumination.
> 
> 
> 
> Al Knoll wrote:
>> The
reflectors have an optimum above the roadway height so that both
>> beams
>> are correctly aimed.  The headlight
position oo the vanagon is above
>> that
>> design
height.
>>
>>
> --
> 
> Marc
Sayer
> Journalist, Photographer, Dog Trainer (APDT member
#062956)
> Board member - Western States Great Dane Association
> Director of Operations & Training - Deaf Dane Rescue Inc.
> Oakridge, OR USA
> 
> My Homepage -
http://gracieland.org
> Deaf Dane Rescue  - http://deafdane.org
> Western States Great Dane Rescue Association - http://wsgdra.org
> RescueWatchdogs - http://rescuewatchdogs.org
> Association
of Pet Dog Trainers - http://APDT.com
>