Cap / Rotor Question , CRUISE CONTROL !!

[mr.utility at highstream.net (David Utley)]

Toby,
  There is some really bright ideas in making that kit...  To bad you don't 
live local to me to help me wire up my own...  :-)  I hate electrical 
work....  Thanks for posting this to the list...
-- 
Regards,
David Utley
-----------
Cable Volkswagen
405-470-3129
1-800-522-6793


Quoting "T. Reed" <treed2@wsu.edu>:

> On Wed, 11 Feb 2004, A J wrote:
> 
> > Hey whats up with your cruise control ? did you
> > install that from another scirocco ? or is it
> > aftermarket ? I want to know , Aaron -
> >
> 
> Hey,
> 
> How'd you know I had cruise control ?! :)
> 
> (BTW: I'm fwding this reply to the list as well for informational
> purposes..)
> 
> It's the same factory Hella cruise control system used on VWs, Audis,
> Saabs, Volvos, etc. that has a vacuum pump and rubber diaphragm actuator,
> along with a computer, vacuum-and-electric pedal switches and a speed
> sensor.
> 
> I snagged it from an 1980 Audi 4000, but substituted the pedal switches
> for later versions. It's quite modified, actually.. I had to fabricate the
> linkage and weld up an actuator mounting bracket as the system never came
> on the 16v Scirocco from the factory. The stalk switch is easy to come by
> as it is the same one used in the Audi 4k, Cabriolets and Sciroccos, as
> well as some early A2 Golfs. The speed sensor from the Audi didn't fit so
> I wired up the cruise to a pin on my MFA gauge cluster that runs to the
> speed sensor for the MFA.
> 
> My pedal cluster wasn't equipped with threads for the switches so I had to
> hold them in place with a pair of nuts (M12x1.5, I think?) on each.
> 
> Most recently I installed an inline vacuum restrictor (made on a metal
> lathe out of solid brass rod) for the throttle actuator to smooth out the
> throttle response (adjust throttle position in smaller "bites") and it
> helped immensely. With my 2.0l 16v, the speed adjustment was very
> on-and-off before adding the restrictor. Now its difficult to tell
> whether the throttle is being held by the cruise or the driver.
> 
> The system works great; it can be turned on and off (duh) with the switch,
> disabled with either the clutch or brake pedal, and there is a resume
> feature to get back to the speed it was previously set at. Additionally,
> if you hold the SET switch down the car will accelerate and set the new
> speed. Unfortunately the computer from the 1980 Audi is an early one and
> does not have tap up/tap down or coast features. I'm researching whether
> or not such a computer would be a direct swap or involve a different
> switch and/or wiring.
> 
> The install was not too difficult - the hardest part was whipping up the
> linkage. I had to buy piano wire, bend it in to shape and get it TIG
> welded to make a linkage that could use factory plastic ball-joint ends
> and freewheel properly when the throttle was being actuated by the pedal
> and not the servo.
> 
> The bracket is just two 1/16" steel plates I welded together, drilled
> mounting holes in, and carefully cut with a die grinder to accommodate
> the cross section of the servo.
> 
> Because of the placement of the rubber servo over the hot exhaust
> manifold, I made an aluminum heat shield that bolts to the upper intake
> manifold support bolts and keeps the high temps from melting the rubber.
> 
> I looked in to aftermarket, but everything I found was quite expensive and
> had some real drawbacks. The factory system can be had rather cheaply if
> you go to a junkyard or pick up the parts on eBay. It works well, and it's
> factory.. which is always a good thing! (unless we're talking cooling
> systems .. grr!)
> 
> Any questions? :P
> 
> -Toby
> 
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l
>