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Discussion Starter #41
Now this is getting ridicolous.
Brakes are still messing up with light hang onto the discs.

Someone tipped me about some valves by the master cylinder that may hang or move slowly, making the brake system keep slight pressure even if off the brakes.

Sounds familiar to anyone?
 

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Nice block, I just got one as well, but a street version.
Can I ask you to take few more pictures?
Would like to machine mine to copy the works version.

Here are pictures of mine:





Nice car, btw I love the compomotives.. ;)



Cheers
 

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I heard a rumor that compomotive is out of business. Anyone else hearing this?
Yes, we were one of the last group buys before they closed the doors last year.
Insider info was that the company was trying to move operations to China to cut costs.. not sure where that ended up.. but for now they are out of business.

Cheers
 

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Discussion Starter #46
Nice block, I just got one as well, but a street version.
Can I ask you to take few more pictures?
Would like to machine mine to copy the works version.

Here are pictures of mine:





Nice car, btw I love the compomotives.. ;)
Cheers
Hi,
Actually wasn't aware there were new entries in this thread as such! Hard to tell from your resolution, but it looks like a general road car engine to me.

Car has mainly been sitting for a while, due the fuzz with the brakes. Long story short: master cylinder was defect, looked like someone forgot about the safety screw and tried yanking it out of the casing, damaging on of the moveable alloy pieces, making it slower than it should. These internals were sourced of other master cylinder, and a bit of luck has it there's a hydraulic workshop at work, so we did a working hour special with washing and honing (is that the word in english?) of the housing that came off the car, just to be sure.

Why running the same old housing instead of just sticking with the new item bought you say? Turns out there is a PITA correlation in parts for urquattro!
  • brake servo off car identical to new from Audi Tradition
  • master cylinder off car had 35mm sleeve
  • new master cylinders (I sourced both 25,4 and 23,81mm items) had 41mm sleeves
None of this makes senses to me, as even the master cylinder pictured at Audi Tradition shop looks to be 41mm sleeve type, so there is no available solution as far as I know. My 1988 edition car allegedly/apparently is running same dual piston calipers as 20V and early Audi S2, so I would see it natural to having the 25,4mm master cylinder on this car (as 20Vs do). Let's see what comes up from support functions at Audi (if any).



Last but not least, I managed to source a pair of Fuchs magnesium rims, although with type 43 numbers and scarsly 6 x 15 dimension. No good for anything, but perhaps could have made a nice replacement spare wheel in Gr 4 style fitted with 185/65 tyre. Also being out and about, I managed to trace down the genuine Bosch Motorsport ECU for the exact Lehmann 10V engine (Block, but still...) I have. It was nice, althought not a deal breaker for the "museum" engine I will patch together...some day...with whatever parts found suitable... :screwy:

 

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Hi,
Actually wasn't aware there were new entries in this thread as such! Hard to tell from your resolution, but it looks like a general road car engine to me.

Last but not least, I managed to source a pair of Fuchs magnesium rims, although with type 43 numbers and scarsly 6 x 15 dimension.
Yes, this particular engine was used in a road car, however all alloy castings were the same, only the final machining was different.
The machining is easily repeated to make it rally spec.

Never seen a 6 x 15.. always 7 x 15 for road wheels.
Can you take a closeup of the part numbers, very curious.
I had 10 sets (yes 10x4) of Fuchs they were all 7x15, used to put them on everything..





now down to 2 sets, most went to Italy.. ;)

Cheers
 

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Discussion Starter #49
Never seen a 6 x 15.. always 7 x 15 for road wheels.
As stated, they came with type 43 numbers - also known to be on early type 44s. On these specificly, VAG partno is 437 601 025 A.

It's great to see updates!
This forum has slowed waaay down since I've been away.
Always is, isn't it? :) Idea of having a Quattro specific forum has struck me...
 

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As stated, they came with type 43 numbers - also known to be on early type 44s. On these specificly, VAG partno is 437 601 025 A.
Wow, thanks for the part number, these must be super rare, not to mention cool, never seen another set before.

Cheers
 

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Discussion Starter #51
Wow, thanks for the part number, these must be super rare, not to mention cool, never seen another set before.

Cheers
They may, never seen such narrow Fuchs'es before. Snow specific ones on Gr 4 Quattro, and seems winter wheel on typ 44 portal...
Getting two more alike them may be hard as nails.
 

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Discussion Starter #52
So, narrow tires 185/60 R15 or so would be correct fitment for the Fuchs, if I were to replace the spare wheel to something a little sexier.

Speaking of sexier, I just did a DIY to correct a big annoyance. Looking at the silver painted Polk Audios wasn't doing it for me.
Finding the all-black grilles of the sister product hasn't been found during a while, so I did it this way: marine grilles, matted down, and painted in some "bumper paint". Not 100%, but 85% being 65% more than the silver ones... :rolleyes:




Also noticed a small damage in the rear seat cuchion, that should be fixed. Think it can be, it's a scratch beyond the paint or so that should be possible to "patch up".
 

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185/60 would be too small (short). Overall diameter would be smaller by about 1" and your speedometer out by almost 4%
Better choice would be 185/65 even though still too small. 195/65 would be ideal.
 

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Discussion Starter #54
How do you make that?? From 215/50R15, I'd say the 195/55 typical Golf VR6 size is as close as it gets. 195 on 6" sounds too chunky as a spare?

Either way, got very, very lucky. Sat at partens in law this new years, and passed through a local ad page and found a set of Audi V8 BBS wheels for sale. So these made me excited to (a) test fit 16" on urquattro for clearances & (b) do for an old Audi 100 late generation (after test fit, with 205/55 most likely). What was very good about them, was I was correct in hoping they were the BBS RG043 forged wheels, making them properly lightweight and will fit the 2.3E engine just fine. :thumbup:

 

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How do you make that?? From 215/50R15, I'd say the 195/55 typical Golf VR6 size is as close as it gets. 195 on 6" sounds too chunky as a spare?

Either way, got very, very lucky. Sat at partens in law this new years, and passed through a local ad page and found a set of Audi V8 BBS wheels for sale. So these made me excited to (a) test fit 16" on urquattro for clearances & (b) do for an old Audi 100 late generation (after test fit, with 205/55 most likely). What was very good about them, was I was correct in hoping they were the BBS RG043 forged wheels, making them properly lightweight and will fit the 2.3E engine just fine. :thumbup:


The 16x8 BBS was a dealer option for the Ur-quattro in Votex catalog.

Hope this helps.
 

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Discussion Starter #58
The hoarding continues. As can be read on the news section, Milltek has launched a set of exhaust kits under the Milltek Classic selection. And yes, there's something for the urquattro there!
So I have just been a bit back and forth on getting the Milltek (2.5", lifetime warranty, nice 304 stainless, 2x90mm tips) versus BN pipes (2.75", has approval certificate, stainless, 2x76mm tips).

Looking at the press release pictures, I wasn't thrilled about the choice of 90mm "GT" tips for these cars. Checking the mk1 and mk2 Golfs, they kept more according to original design/dimension.
After talks with the local seller of Milltek, I'm going to give the kit a go, and they will source me a set of "Jet 76.2mm" tips in addition for a decent price for me to experiment with. I believe this would be closer looking to the 3" kit for S2 Avant & RS2 they are selling out these days.



 
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