[Vwdiesel] H4 headlights, relays and the proper speedo drive and other stuff

[Ralph Meyermann]

I am planning on an H4 conversion for my Westy, and was wondering how much
better they actually are

Velma 82 1.9L AAZ td westy
On Feb 27, 2014 8:44 PM, <dieseltdi at verizon.net> wrote:

> It has been a while since I updated the trials and tribulations of my 82
> Jetta GTD so I thought I would pass a few things on.  Although the Jetta
> has 4 headlights on the front, I have never been satisfied with the poor
> light output from them even on bright, so when I had a chance on ebay to
> buy a set of H4 lights, I jumped on it.  Imagine my disappointment when
> they seemed to be dimmer than the original lights AND all four lights
> glowed on low beam and only the center lights turned on at high beam.  In
> desperation, I called my son who has much experience with Scirocco lights
> which are identical.  He basically told me to dump the stock wiring and
> relay the lights.  I did an internet search and did what he suggested.
>  Sure enough, by using the existing left side wiring to trigger the relays
> and taking power directly from the battery feed, I manage to get some
> really superior lighting.  All the lights are bright white and all four
> come on on the bright setting.
>
> Many of you know that I had some temperature problems with the jetta so I
> replaced the thermostat and then the fan thermoswitch.   This has solved
> all the heating problems but I am about to mount a temperature sensor to
> the front hose outlet on the engine to have an accurate temperature
> setting.  I had wondered if the temperature problems were part of my low
> mpg problems but that didn’t seem to change anything.  Then one evening, I
> was reading up on 5th gear swaps to lower rpms and came upon a statement
> that I wasn’t aware of.  I have known that there were several types of
> speedo drive gears, each denoted by a color and each having different
> teeth.  What I hadn’t really understood is that the gear is matched to the
> transmission based on the final drive number.  Turns out the 3.67 final
> drive in the CHD transmission requires the red drive gear.  I got one and
> installed it.  I then took the car out for a long drive with the GPS to
> test it.  Low and behold, speedo is absolutely accurate now.  Well at least
> in terms of VW speedos.  When cruising at 60 the GPS fluctuated between 59
> and 61.  I filled up at the same time I installed the new drive gear so I
> could get a good measure of the difference.  Sure enough, my mpg went from
> 33 mpg to 42 mpg.  The best I have ever gotten in the car was 37 so I am
> very pleased.  The 42 mpg tank was 316 miles on just under ½ a tank (I fill
> all the way to the neck) and was ⅓ highway speeds and ⅔ back and forth to
> work.  The current tank will be all just back and forth to work and I can
> tell from the gauge that I am probably getting in the upper 37-39 range.
>  This takes a big weight off my shoulders as I was beginning to think I was
> going to have to do something drastic to fix the problem.  I am still going
> to do a 5th gear swap into a spare CHD transmission I bought.  I have a FN
> that I intend to remove the 5th gear from, then take it to a local shop to
> get it installed.  From the Bentley, I fill like I can remove the gears,
> just don’t want to chance doing something wrong.
> One last think, I know someone on here said that they are running a volvo
> sandwich oil cooler (Bryan?),  I just got one and I want to know what the
> opening temperature for the built in thermostat?  Thanks, Hayden
>
> “There are many men of principle in both parties in America, but there is
> no party of principle.”
> “I do not know if the people of the United States would vote for superior
> men if they ran for office, but there can be no doubt that such men do not
> run."
> “I cannot help fearing that men may reach a point where they look on every
> new theory as a danger, every innovation as a toilsome trouble, every
> social advance as a first step toward revolution, and that they may
> absolutely refuse to move at all.”  Alexis de Tocqueville
>
> Proud owner of:
> 2014 Jeep Grand Cherokee Ecodiesel
> 1968 Beetle, Still in progress
> 1982 VW Jetta Coupe GTD "FrankenJetta"
> And many, many, many VWs; from a 1947 Beetle (13 Beetles total), to Vans
> (5 - 3 splitties  2 bay window (both were campers), 1 Vanagon Westy,
> Rabbits (3), Karmen Ghia (1), Jettas (11), Passats (2), Dasher (1), New
> Beetle (1), Rabbit Convertible (1) and Rabbit Pickups (3) most now gone but
> not forgotten.
>
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