Cap / Rotor Question , CRUISE CONTROL !!

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

Do you still have it all?
-- 
Regards,
David Utley
-----------
Cable Volkswagen
405-470-3129
1-800-522-6793


Quoting Patrick Bureau <ats@longcoeur.com>:

> All that for cruise control.... Nice...
> 
> Heck I removed all the CC stuff from my MKII. They break down a lot. 
> 
> 
> ATS - Patrick Bureau -  85 2L, 102.5 whp, 121 ft/lbs torque
> Email : ats@longcoeur.com - Web site : http://ats.longcoeur.com
> AIM: texasscirocco - Yahoo: atsgtx - ICQ: 32918816 - MSN: atsgtx@hotmail.com
> 1975, 77, 78, 79, 80, 81S, 82 and 86 scirocco's coming soon!
>  
> -----Original Message-----
> From: scirocco-l-bounces@scirocco.org
> [mailto:scirocco-l-bounces@scirocco.org] On Behalf Of T. Reed
> Sent: Thursday, February 12, 2004 2:54 AM
> To: A J
> Cc: scirocco-l@scirocco.org
> Subject: Re: Cap / Rotor Question , CRUISE CONTROL !!
> 
> 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
> 
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