Audi B5 420-R: The Build. - Car Talk (15) - 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 Joebo(m): 12:02pm On May 08, 2016 |
Siena:..I admire your meticulousness and attention to details sir |
| Re: Audi B5 420-R: The Build. by Nobody: 12:23pm On May 08, 2016 |
Thanks, Joebo.  |
| Re: Audi B5 420-R: The Build. by Nobody: 6:10pm On May 09, 2016 |
With the engine all running, without a single DTC, it is time to fit the cooling fans. With my previous V8 swap, I ran a couple of slimline 14" pushers, 80W each. One had a manual override, which meant I could control the fan at will. The engine never overheated, but this time, I'm playing it safe. This is one of the reasons I have not fitted the fans until not, as I wanted to have a good think about the route I decided to go with. I am running a 9" 120W puller on the engine side of the radiator, and a couple of genuine B5 S4 280mm (approx. 12" ) 300W fans as pushers on the outside. While it's pretty easy to rig up some sort of control relay for the 120W aftermarket fan, 300W units are a different matter, and require a different approach, if the goal is not to fry the harness, or burn the car down. I could have gone aftermarket, and purchased one of the myriads of controllers commercially available, if a much neater OEM solution didn't exist.  An OEM B5 RS4 twin cooling fan control module, and...  ...an OEM B5 RS4 fan control module wiring harness. This replaces the stock A4 harness, that runs between the left fender and wheel arch liner. Connection is in the left kick panel via the 10-pin grey plug. The brown ring connector goes onto the earth post, while the long red ring connector goes across and just above the left to right footwell, where it is bolted to terminal 30 (permanent 12V+). An extra relay is required on the relay panel, the control module is fused independently, and that's it on the inside. The rest is all plug and play in the engine bay. 9" 120W puller fan:  OEM B5 RS4 280mm 300W pusher fans x 2:  |
| Re: Audi B5 420-R: The Build. by Nobody: 12:11pm On May 10, 2016 |
Oil filter was delivered this morning. I ordered one for a C5 S6... ...it doesn't fit. My oil filter housing is off a C5 RS6, with a sandwich plate for an external oil cooler. The C5 RS6 threaded tube is smaller than that of the C5 S6 filter. Luckily, Audi have an RS6 one on the shelf, and are doing a swap within the hour. The C5 RS6 oil filter is also half the price of the S6 one. C5 S6 oil filter - 077 115 561 G. C5 RS6 oil filter - 078 115 561 K. |
| Re: Audi B5 420-R: The Build. by Nobody: 1:22pm On May 11, 2016 |
Update: 11th May, 2016. My external oil cooler pipes turned up this arvo. They are PTFE, encased in stainless steel braid. I did consider rubber reinforced hose, pushed onto barbed ends, and secured with worm clips. With rubber though, there is the risk of the hoses softening with heat, or the hoses actually coming off the barbed ends. These ones were made to my required length, with 1/2" BSP couplings, 90 degree angles at one end, straight at the other. I should be fitting these tomorrow with the cooler, and doing an oil / filter change.    1 Like |
| Re: Audi B5 420-R: The Build. by Nobody: 5:21pm On May 20, 2016 |
I temporarily installed my C5 RS6 instrument cluster into B5 420-R, so I could extract the 4-digit PIN, and discovered it's IMMO3, meaning different software to do the job is required, which has been ordered. It will also adapt the mileage to match my current original. Basic settings of the needles has been done, as well as the modifications required to get the instrument lighting compatible with the B5. I also purchased a 2005 C5 Allroad cluster to pull out the LCD cluster, with which I built the RS6 cluster. I prefer the OEM VDO LCD, aftermarket versions are generally too bright, and don't match the clock and mileage LCD panels. One ready C5 RS6 cluster. I love the white needles, which I took out of a 2000 B5 S4 cluster:  B5 S4 cluster - I was able to extract the 4-digit PIN. It's a nice cluster, but compared to the C5 RS6 unit, it looks quite bland. It'll be easier to sell with the PIN though:  |
| Re: Audi B5 420-R: The Build. by Nobody: 9:03pm On May 26, 2016 |
First drive. Need to break in the clutch. I also need to hook up the clutch switch to cut out rev hang. https://www.youtube.com/watch?v=M5g3QvyECBo[/url] 2 Likes |
| Re: Audi B5 420-R: The Build. by Nobody: 6:21pm On May 27, 2016 |
Second drive. I still have close to 450 miles to cover, before the clutch has fully bedded in to the flywheel. Taking it easy, breaking in a clutch really sucks. https://www.youtube.com/watch?v=yuiUGduutaQ |
| Re: Audi B5 420-R: The Build. by Nobody: 4:59pm On Jun 26, 2016 |
The clutch has now been fully broken in, over 722 miles since the V8 swap. Just a short video, where I've tried to capture the exhaust note. Exhaust system consists of a pair of B6 S4 Miltek stainless down pipes, (no CATS) mated to an unbranded, stainless dual-piped, dual silencer B5 S4 CAT-back: https://www.youtube.com/watch?v=tvtJG0bLpIg 1 Like |
| Re: Audi B5 420-R: The Build. by Lexusgs430: 2:42am On Jun 27, 2016 |
Siena: Those high engine revs almost blew the glass of my phone. Nice bubbling sound though!!!! |
| Re: Audi B5 420-R: The Build. by Nobody: 10:22am On Jun 27, 2016 |
Lexusgs430: Thanks buddy. |
| Re: Audi B5 420-R: The Build. by ivoryhouse(m): 7:04pm On Jun 28, 2016 |
Siena:Great job Sienna Respect! |
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