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Audi B5 420-R: The Build. - Car Talk (8) - Nairaland

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Audi B5 420-R DTM: The Build / The Official Audi B5 RS4 Avant Thread! / Official Audi B5 RS4 "Outlaw" Sedans Around The World Thread (2) (3) (4)

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Re: Audi B5 420-R: The Build. by Nobody: 10:50pm On May 08, 2015
Obiagelli:
Wow great work, someday i will achieve my dream of getting a VW Kombi Split Screen done.

Following this thread.

Thanks!

Good luck on finding a decent Splitty / Samba. You just gotta love these vintage vans.

1 Like

Re: Audi B5 420-R: The Build. by Nobody: 2:54am On May 17, 2015
My original aim was to build a V8-powered B5 Quattro, with 6-speed 01E and a D2 S8 32V motor. I originally purchased an early B5 2.6 Quattro 5MT (1995) as the basis of my project. I installed the S8 motor and 6-speed 01E, then proceeded to completely gut the interior.

I got the car running, then began looking at B5 RS4 goodies. By this time, I traded in my DD 2001 D2 S8 for a 2005 D3 A8 4.2 QS.

Fast forward 1 year, I decided to move on from D3 ownership, and opted to part her out. Sold a ton of parts, netting me more than I'd originally paid for the car. With space being tight for myself, wife and 3 kids, we decided to move, and I had a decision to make.

My D3 was buy now pretty stripped, though still running, the front air suspension had been sold, so had the entire front end, interior, MMI control panel, headlamps, brakes and a whole heap of control units. I would have to transport this car, together with my B5 approx. 205 miles to our new home.

With B5 facelift cars circa 2000 having dropped in price a great deal, I decided to transport just the D3 A8, and pull the D2 S8 motor and 6-speed 01E out of the early B5, then look out for a facelift car.

I bagged a 2000 B5 A4 2.5 TDI Quattro. At this point, I was still thinking along the lines of a stripped-out B5, with RS4 bodywork and of course the D2 S8 motor. I traded my 2002 Toyota Truck for this car. The B5 was picked up, I drove her 237 miles home. Santorin Blue, black leather, aftermarket HID kit, and some nasty aftermarket 18" alloys. I'm talking real NASTY here. I actually prefer stock 16" steel wheels with plastic hub caps.












1 Like

Re: Audi B5 420-R: The Build. by Nobody: 2:56am On May 17, 2015
Then an unforeseen dilemma...

...I have ended up with 2 V8 motors, and 2 6-speed 01E trannys.

So the hunt was on for another B5. I bagged one closer to home, a 2000 B5 A4 2.8 30V Quattro in Pelican Blue.

The eBay pictures were vague, and obviously taken with a camera phone, the car was parked out on the road, and hadn't been washed prior to taking the pictures. I got hold of the seller, and agreed on a price, £400 ($630).

When I did see the car in the metal, my opinion changed a bit - I still felt it was an average B5, and would build a stripped-out RS4'd and V8-powered car. However, when I got behind the wheel and began the journey home, my opinion changed. This car drove great, felt right, felt tight. It handled great too!

By the time I got her washed the next day, my plans changed. They had to! This car was way too clean to strip out the interior.

My plans are thus:

Pull the 4.2 V8 40V motor from my D3 A8, and install it in the Pelican Blue car, mated to my spare 01E (pulled from my old Europa Blue B5). As I have an entire parts D3 A8, I intend to use as much of the goodies in my Pelican Blue B5 - auto dim interior mirror, electric rear blind, front brakes, rain sending wiper / automatic headlamp module (top of the screen).

Exterior will be OEM B5 RS4, though the colour will remain the same.

The Santorin Blue car will be gutted, and the D2 S8 engine mated to the existing 01E 6-speed manual. This car is unlikely to get the B5 RS4 exterior, but we'll see. The colour will certainly be changed.

Right now, I am purchasing B5 RS4 parts. I have been in touch with my bodyshop, and they are looking at late June / early July to commence work on Pelican.

2 Likes

Re: Audi B5 420-R: The Build. by Nobody: 3:08am On May 17, 2015
The Pelican Blue car:





















1 Like

Re: Audi B5 420-R: The Build. by Nobody: 3:14am On May 17, 2015
I spent the afternoon pulling the D3 A8's rear parcel shelf with the electric rear blind, and LED high level brake lamp. I may trim it down to fit the Pelican B5, or remove the actual blind cartridge, and install it in the B5's parcel shelf.

Tomorrow I'll remove the A8's auto dimming rear view mirror.

The D3 A8's rear parcel shelf, with integrated electric rear blind:





1 Like

Re: Audi B5 420-R: The Build. by Nobody: 3:22am On May 17, 2015
The big brute currently holding the V8 hostage:









1 Like

Re: Audi B5 420-R: The Build. by Nobody: 3:49pm On May 17, 2015
I am getting the Bosch Motronic ME7.1.1 ECU modified to delete the immobiliser. This is a software rather than hardware modification. The ECU will be despatched tomorrow. If I don't get this done, I will have to run the instrument cluster from the Audi A8 D3 donor car, as well as the transponder key.

As much as possible, I would prefer to use keep the interior of my B5 stock.

1 Like

Re: Audi B5 420-R: The Build. by Nobody: 7:22am On May 19, 2015
Update: 18th May 2015.

Today I sent the D3 A8 4.2 V8 40V (BFM) ECU off to get the immobiliser defeated, as I don't want to run the A8's instrument cluster; nice enough as it undoubtedly looks, I want to keep the B5 interior stock.

This is one of the reasons I haven't pulled the motor yet. I've sold tons off the D3 A8, but I've been careful to make sure nothing to do with the engine running has been removed. It makes sense to carry out the immobiliser defeat first.

To test this, I've got a non-transpondered key cut. Once my ECU is back, I will attempt starting the engine with the foreign key. If the procedure is successful, it should run just fine. Then I will proceed in pulling the motor out, and prep it for installation into my Pelican Blue B5.

I can't wait to turn the key for the first time.

2 Likes

Re: Audi B5 420-R: The Build. by Nobody: 10:12pm On May 27, 2015
Update: 27th May 2015.

I got my A8 D3 4.2 V8 ECU back today. I promptly plugged it into my A8, and tried starting her with the blank folding key I got cut (without a transponder chip).

The engine roared into life. I'm pretty stoked. Now I just need to pull the engine and trans from the A8, and pretty much remove all the parts that will come in useful - harnesses, control modules, dash, fuel pump, all relay boards, panels, alcantara roof lining, steering wheel etc.

I need to get it stripped, so I can get the wreckers to pick up the shell, then I can clear garage space to commence work.
Re: Audi B5 420-R: The Build. by samir101ng(m): 2:17pm On May 28, 2015
And he's back, Ladies & Gentlemen smiley
Re: Audi B5 420-R: The Build. by Nobody: 2:57pm On May 28, 2015
samir101ng:
And he's back, Ladies & Gentlemen smiley

Indeed, Samir. Though technically, I never left. wink

1 Like

Re: Audi B5 420-R: The Build. by Nobody: 11:33pm On May 29, 2015
This will be with me sometime next week.



An instrument cluster from a 2003 Audi RS6.

Then off it goes for some modifications - a replacement DIS, I don't want to wait for the pixels to start fading. And some changes to the tacho redline, as well as the actual RS6 logo.

Something more in keeping with a B5.

My reasons for using the RS6 cluster are multiple.

Firstly, the 200mph speedo. The standard D3 Audi A8 4.2 V8 Quattro is a massive heavyweight car, weighing almost 2 tonnes. With its 6-speed Tiptronic transmission, it is limited to 155.3mph. Limited speed, not its maximum. This means the engine will propel the car way past the 160mph mark, the ECU's software artificially keeps things in check. This engine will be installed in a much lighter car, with a 6-speed manual gearbox, and the ECU's speed limiter mapped out. My B5 Audi A4 2.8 Quattro's speedo is calibrated to 160mph, you know the rest.

Secondly, the rev counter. My A4 Quattro is a factory V6. Once a V8 is installed, the stock V6 rev counter will be seeing 8 pulses per engine revolution. Meaning the rev counter will be reading approximately 250rpm higher than it should. At idle (850rpm) the indicated engine speed will be approx. 1100rpm. The higher the revs, the greater the error margin.

The C5 RS6 is a 4.2 V8 Biturbo, so the instrument cluster is the logical choice for a V8-engined B5 A4. The clusters from both cars are physically the same, in terms of shape, dimensions and connectivity. A few loose ends to tie up, but nothing I can't handle. wink
Re: Audi B5 420-R: The Build. by Nobody: 8:55pm On Jun 01, 2015
Update 01st June 2015:

My C5 RS6 instrument cluster turned up today. I ordered it with the 3 connectors, just in case they were different to mine, but they are the same. Thank the good Lord my B5 is pretty much the last facelift, meaning digital clock.

I quickly swapped it with my original, not to start the engine - it won't fire anyway, as immobiliser will be active. I was curious to see how the cluster would react to the B5's inputs.

First impressions: Everything works as it should, as far as warning lights go. The illumination is not as bright as my original, as the C5 cluster needs an external rheostat to control the intensity. Not a big deal, I'll sort that out.

TPMS: This RS6 had the optional TPMS, with no input to the cluster, the warning on the DIS is constant. Again, no big deal. Some grounding, or install TPMS, with the input going to the relevant plug/pin. I'll unpin the feed from the spare connectors that were supplied with the unit.

Fuel gauge / range on DIS: As I was already aware, the C5 has a larger gas tank compared to the B5. My car actually has the tank 3 quarters full, but it reads just above the reserve with the RS6 cluster. Of course, this affects the range.

My options are:

Install a VR external to the B5's level sender, and fine tune the resistance. The level sender is a simple variable resistor, with a carbon track and slider.

Install a C5 level sender, and adjust the float arm to suit the B5's tank.

Either option will work.

Some pictures. Note the B5's illumination is currently much brighter than that of the C5.

C5 RS6:









B5 A4 2.8 Quattro facelift:





C5 RS6 on the bench:



The RS6's DIS is perfect, but I would rather get it replaced as a preventative measure. With our cars, it's not so much "if" it fails, more like "when" it fails. I will also have white pointers, B5 S4-style fitted, and get a custom logo to replace RS6. This means a new dial, and the logo will relate more to my B5 and it's final state.

1 Like

Re: Audi B5 420-R: The Build. by Nobody: 1:28am On Jun 10, 2015
I received my double DIN Audi Symphony II head unit yesterday. All that is required is a double DIN cage / console, and matching climate control panel.

At this point, I must say the new head unit is NOT being mounted in the regular location (centre console). My double DIN centre console is being purchased to install an iPad. With the advent of advanced Apple / Android tablets, and great apps, there is very little a standard head unit can do, that can't be achieved with a top-end tablet.

Navigation.
DAD Radio.
Media Player.
OBD II (in conjunction with ELM327 Bluetooth or WiFi).
Bluetooth Connectivity.
DVB Reception.
Hotspot.
Internet Access.
Etc, etc.

I am installing an iPad I to the centre console. My recently acquired Symphony II will be installed in a custom aft centre console, facing upwards. This will be connected to the OEM plugs, which will be extended from the forward console. This arrangement will enable the output of the iPad to be fed into the Symphony, so it will be amplified, before output to an external amplifier, and finally the speakers. I am planning to use the speakers and factory rear sub from my old D3 A8.

I will need to acquire an extra rear console to begin modifying to accept the Symphony. I'm also looking into a motorised perspex lid, to protect the unit from dust. Or build a motorised cradle, that will enable the Symphony unit swivel 90 degrees when not in use. My only concern here is the cabling getting damaged, though it's unlikely, especially if telephone-style (spring-like) cabling is utilised.

I will post pictures as this aspect of my project gathers pace.

1 Like

Re: Audi B5 420-R: The Build. by adanny01(m): 8:42am On Jun 13, 2015
Siena:
I received my double DIN Audi Symphony II head unit yesterday. All that is required is a double DIN cage / console, and matching climate control panel.

At this point, I must say the new head unit is NOT being mounted in the regular location (centre console). My double DIN centre console is being purchased to install an iPad. With the advent of advanced Apple / Android tablets, and great apps, there is very little a standard head unit can do, that can't be achieved with a top-end tablet.

Navigation.
DAD Radio.
Media Player.
OBD II (in conjunction with ELM327 Bluetooth or WiFi).
Bluetooth Connectivity.
DVB Reception.
Hotspot.
Internet Access.
Etc, etc.

I am installing an iPad I to the centre console. My recently acquired Symphony II will be installed in a custom aft centre console, facing upwards. This will be connected to the OEM plugs, which will be extended from the forward console. This arrangement will enable the output of the iPad to be fed into the Symphony, so it will be amplified, before output to an external amplifier, and finally the speakers. I am planning to use the speakers and factory rear sub from my old D3 A8.

I will need to acquire an extra rear console to begin modifying to accept the Symphony. I'm also looking into a motorised perspex lid, to protect the unit from dust. Or build a motorised cradle, that will enable the Symphony unit swivel 90 degrees when not in use. My only concern here is the cabling getting damaged, though it's unlikely, especially if telephone-style (spring-like) cabling is utilised.

I will post pictures as this aspect of my project gathers pace.

I will wait to see how it will fit.

Am just wondering how you will manage volume up or down especially while driving since they are traditonally placed at the side. Am also thinking of how you will manage power to the tablet. Will it remain on its internal batteries and remain on even after you turn ignition off and have to leave the car for a while? You mentioned 90 degrees swivel, is that to give you access to the power and volume buttons?
Re: Audi B5 420-R: The Build. by Nobody: 1:08pm On Jun 13, 2015
adanny01:


I will wait to see how it will fit.

Am just wondering how you will manage volume up or down especially while driving since they are traditonally placed at the side. Am also thinking of how you will manage power to the tablet. Will it remain on its internal batteries and remain on even after you turn ignition off and have to leave the car for a while? You mentioned 90 degrees swivel, is that to give you access to the power and volume buttons?

Volume, track change, channel change etc will be accessed in the normal way. Our very nature as humans means we adapt, so operating controls without looking at them becomes second nature.

The tablet will always be running off the car's battery via the lightning connector whilst the engine / ignition are on. It can be switched off when leaving the car, or settings can be changed to alter the auto-lock whilst using the internal battery (vehicle power interrupted).

The swivel option if used, will be solely to either conceal the face of the head unit, or operate a perspex lid when not in use. It will have no bearing in terms of operating the controls. My Audi A8 has the MMI controls in the centre console between the seats, and does not require me to actively glance at the panel if I wish to alter any of the many settings. smiley
Re: Audi B5 420-R: The Build. by Nobody: 1:25pm On Jun 13, 2015
Update 13th June 2015:

I stripped down my Audi RS6 C5 instrument cluster, to replace the red pointer needles with white ones. I purchased a 2001 Audi S4 B5 cluster for this. I haven't wrecked it, I simply swapped the needles over. I think the white needles look pretty good in the RS6 cluster.

Before:





During:











After:





Re: Audi B5 420-R: The Build. by defsphinx(m): 1:32pm On Jun 13, 2015
Your attention to detail is something
Re: Audi B5 420-R: The Build. by Nobody: 1:34pm On Jun 13, 2015
defsphinx:
Your attention to detail is something

Thanks bruh. smiley
Re: Audi B5 420-R: The Build. by Nobody: 1:40pm On Jun 13, 2015
Audi Symphony I.







Options are to install it in a custom arm rest, above the parking brake. Or lose the arm rest, and build it into a reworked centre console. However due to the depth, something will have to be done about the parking brake lever.

EPB (Electronic Parking Brake) solution. Just looking into the logistics of it all.
Re: Audi B5 420-R: The Build. by Nobody: 10:34pm On Jun 17, 2015
Update: 16th June 2015:

I got some feedback today on my RS6 cluster.

The RS6 logo can be removed, replaced with something else, and the tacho redline extended to 7000rpm. Of course, this means a replacement tacho dial.

There has been a fairly lengthy delay, due to the DIS LCD display. I don't really care much for the red LCD. The cluster backlighting is white, I have looked into the colour LCD as used in the B6/7, D2/3 and lots of other recent VAG models, but it isn't financially viable.

On the other hand, white LCD's are nice. And I've found a firm willing to install one of these into a C5 RS6 board - at a price!

This is the look I would like:

Re: Audi B5 420-R: The Build. by Nobody: 11:28pm On Jun 17, 2015
I also made time to remove the 18" wheels the previous owner had fitted to my Audi A4 2.5 TDI V6 Quattro.

Wheels are a very personal thing, and can either make or break a car. In this case, I feel they detracted from the looks of the B5. A shame really, as I have had brand new tyres fitted to the wheels 225/40x18 which have only covered 60 miles!

I opted to fit the original 7"x16" wheels that should have been on the car from the factory. These were off my old A4 2.6 V6 Quattro Sport, that I scrapped. The wheels are only temporary, as both cars will be wearing very different boots once they have come out of the paint shop. For reference, the Santorin Blue Audi A4 is pictured further up on this page.

These are the wheels off the car, which will now be sold:









Re: Audi B5 420-R: The Build. by Nobody: 11:38pm On Jun 17, 2015
And here's how the Santorin Blue car now looks, wearing the same OEM 16" wheels as the Pelican Blue Audi:













Re: Audi B5 420-R: The Build. by Nobody: 10:37pm On Jun 25, 2015
So today I began searching for a firm that specialises in making custom glass for cars. I found a couple, but all the way in Belgium.

What I have managed to dig out in the UK though is an outfit that manufactures Lexan and Polycarbonate windows and panels in any thickness and curve, including compound curved pieces. They can make windows and panels from any supplied patterns. Probably better than glass, given the weight.

I have never been keen on sunroofs, but love panoramic roofs.

You've probably guessed what I'm driving at. A fixed panoramic roof on my B5. It would mean me drilling out the roof skin from s junker, and shipping it out to this shop. I'm going to speak to them in more detail tomorrow, and the outcome will determine if I'll go ahead with this or not.

I'll keep you guys posted.
Re: Audi B5 420-R: The Build. by Nobody: 11:28pm On Jul 03, 2015
After over a week, with me being promised I would get a call back each time I got through to someone at the Lexan shop, I ended up doing all the running.

Unfortunately they are unable to help. Their excuse?

The roof panel is too big, they don't have the necessary tooling etc. I mentally crossed them off my custom list.

I have since looked at other sources, prompted by panoramic roofs on brand new cars at work. I have taken measurements of the B5 roof, between the rain gutter front, middle and rear. I now know what I'm working with, and will be looking at getting one off a donor car.

This weekend is tear-down day, and hopefully, I'll get the V8 pulled out of my 2005 Audi A8 4.2 Quattro, and get psome basic prep work going.

1 Like

Re: Audi B5 420-R: The Build. by shamecurls(m): 5:34am On Jul 04, 2015
following..............
Re: Audi B5 420-R: The Build. by Nobody: 2:30pm On Jul 04, 2015
following patiently with my sky bottle of vodka.

1 Like

Re: Audi B5 420-R: The Build. by Nobody: 8:31pm On Jul 04, 2015
Thanks for keeping up so far guys.

Today I finally liberated the 4.2 V8 40V from my old 2005 Audi A8 D3. It's on the bench now, I've removed the automatic flexiplate.

It's quite different from the V8 from the D2 A8/S8, C5 A6/S6. It has more in common with the V8 from the B6/B7 S4, just without the nasty multiple chain set-up that is so failure prone, worse because the timing chain is at the rear of the engine, and replacement requires an engine pull. Urrrrgh!

A lot of chassis plug mods will be required. I'm going to build a hybrid section to plug into the B5. Pictures to follow, once I've had a shower to rid myself of the grease and grime, and had something to eat too.
Re: Audi B5 420-R: The Build. by Nobody: 3:59pm On Jul 05, 2015
Update 04th July 2015:

So the D3 A8 V8 engine is out at last.

I'm going to do some basic maintenance. I replaced the timing belt less than 2 years ago, together with the thermostat, all tensioners / idlers and the water pump, so these will remain.

However, I'll pull the valve covers, and renew the gaskets, probably get them painted. I'll also remove the timing belt covers, and clean them up. Generally all aluminium components will be thoroughly cleaned, and painted the same colour as OEM - aluminium. I've ordered a new engine stand, so I'll wait till it turns up, so at least the motor is easy to rotate.

For flywheel, I can either use my stock 30V one, or order a solid steel B5 S4 item, and run a B5 RS4 clutch. This car is being built for the street, so luxury and comfort are important. Unlike my other B5 which will be a stripped-out racer, possibly with forced induction.

Some pictures of today's progress. It took me 3 hours from start till wrap-up time:


















Re: Audi B5 420-R: The Build. by Nobody: 12:16am On Jul 10, 2015
Today my A8 D3 4.2 V8 (BFM) electric wiring diagram PDF turned up. I now need to build a hybrid harness between the D3 engine harness, and the B5 chassis plugs.

I don't intend to cut off the D3 chassis plugs, I'm removing the D3's receiving connectors with a reasonable length of harness, to which I will solder the B5's plugs to on the free ends, moving the wires to the relevant pins.

It's PDF time!

2 Likes

Re: Audi B5 420-R: The Build. by Nobody: 12:17am On Jul 10, 2015
Although I can run the D3's ECU, I have decided to go with a 2002 C5 S6 ECU. It has a more aggressive tune as standard, when compared to the milder, comfort-oriented D3.

To this effect, I've just pulled the trigger on an S6 ECU.

The S6 ECU also has the added advantage of being able to accept a manual soft code, which the D3 A8 never had the option for.

1 Like

Re: Audi B5 420-R: The Build. by mikkyphp(m): 9:57am On Jul 10, 2015
loving this...

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