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Old 05-22-2012, 06:53 PM
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Default Audi A4 Avant - 2 Fi SP4 15 - SPL Dynamics D6 (6kwrms) - Dual 210a Alts -Boot Install

I'm posting this on behalf of a friend. Large chunks of it will probably be copied and pasted from elsewhere, so forgive me if there's a conflict between I/he in the text.

Previous installs this Audi has had:

2 15" Fi BTLs run off an Atomic 5kwrms amp, which was burping high 40s straight after being installed with stiff subs and without an upgraded alt



Then it was downsized to just 1 15" Fi BTL - initially run off a Sundown SAZ1500Dv1, then a Rockford Fosgate T20001Bd and lastly a Ground Zero GZNA 1.2500DXII - this managed a flat 145db+



Which got stripped out and sold off leaving the boot looking quite empty bringing it back to 0db lol

Last edited by uklcltd; 06-29-2012 at 11:15 AM.
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Old 05-22-2012, 06:55 PM
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Couple of vids from the 2 15s

2 Fi BTL 15s - 5000 watts rms - Audi A4 Avant - From the inside - YouTube

2 Fi BTL 15s - 5000 watts rms - Audi A4 Avant - Rear view mirror - YouTube

2 Fi BTL 15s - 5000 watts rms - Audi A4 Avant - Walk around the rear/boot - YouTube

2 Fi BTL 15s - 5000 watts rms - Audi A4 Avant - Front grill flex - YouTube
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Old 05-22-2012, 06:56 PM
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..and some from the single 15"

Fi BTL 15" - 2000 watts rms - Walk around + boot flex (October 2011) - YouTube

Fi BTL 15" - 2000 watts rms - Door + boot flex (October 2011) - YouTube

Fi BTL 15" - 2000 watts rms - Subwoofer Excursion (October 2011) - YouTube

Fi BTL 15" - 2000 watts rms - Subwoofer Excursion 2 (October 2011) - YouTube

Fi BTL 15 2000w RMS Rockford Fosgate October 2011 - YouTube

Nice solid voltage..

White Girl - Voltage Review - YouTube
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Old 05-22-2012, 06:59 PM
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Some info/specs on the stuff already acquired.

The car is a 2004 Audi A4 (B6) 1.9TDI Sport (PD130 AVF). It remains largely unmodified in the engine and bodywork department.

The headunit is an Alpine 9887R with an iPod hidden away in the glovebox to hold most of the songs



The front speakers were originally changed for some CDT CL61 (iirc) but some how they decided to die unexpectedly and replaced them with a set of Ground Zero GZUC 16SQ powered nicely by a Crystal CAM200.2.

The amp attached to an old box



..and a few pics of the front speakers when they were installed











The rear speakers remain untouched, but they may be changed.

Over in the UK we don't really have that many aftermarket alt companies, given the fact most of our engines are half the size of the ones in America so don't really have the space/power to be turning over 500a worth of alts. Luckily there has been a certain 210a alt (which I believe is made by Mistubishi) that has been proven to put out 260a+ at 2krpm engine speed and a respectable 170a at idle. This alt has been known to replace the standard alt on many VAG engines with little modification, in this case it involved the offsetting the pulley by a few mm. There is also an external regulator fitted to this alternator.

In terms of cabling 90% of the wires run through my car are made by Knukonceptz. More specifically the power wires are 0gauge Fleks. This includes TB3 and a single run from the front to the back.

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Old 05-22-2012, 07:02 PM
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The first steps that were taken with the new project was to strengthen the power supply. There was already a "210a" alt but whatever was going to run next would probably be more demanding. After getting in touch with some of the big alt companies over in America for pricing and to see what was possible with this application it was clear that the best route would be to install a second alt somewhere in the engine bay. Luckily the my air con system hadn't been functioning for quite some time, the condenser at the front had been damaged, so this was an easy sacrifice. Some enquiries were made locally to try find someone who would be willing to retrofit a second alt in the place of the aircon pump but this came to a quick conclusion that would require looking further afield.

There was a shop down in London (approx 200 miles away) that was known for supplying alternators and could now offer a fitting service. After giving them a call and after a lengthy discussing we decided to get the car booked in and make the journey down to get the work done.

A nice and early 5am start



Goddamn traffic







Finally we landed at Grove Autoparts at around 9.45am and work began straight away.






After about 10 minutes of unbolting and fiddling about the air con pump was removed



A view from above

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Old 05-22-2012, 07:03 PM
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Whilst we was there we spotted another car in the bay that was waiting to get worked on.

It's a mk2 VW Golf VR6 walled with 4 Soundstream X3 subs run off 2 huuuge Soundstream 15000D amps, alongside a load of mids and highs. It's running a 16v system from memory to the sub amps and 12v to the rest of the car. Didn't get any good pics of the inside unfortunately. In the boot it's also got a mixer, for some off the cuff mixing I imagine, and all sorts of lazers/strobe lights.






You can see the standard alt to the left with 2 what seem to be 180a alts tucked in underneath on the right along with an external reg.





I'd spotted the car before but with different equipment, after a little searching I found some older vids of it:

Yellow Rockford Fosgate Golf at The Modified Nationals - YouTube

Modified Nationals 2010 mk2 vw golf with epic system - YouTube

ACE CAFE bass golf - YouTube
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Old 05-22-2012, 07:05 PM
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Once the air con pump was removed Sonnie then got an alternator of the same size as the 210a and offered it up into the newly created crevice and found that there was plenty of room under there and that fitting an alternator wouldn't require any additional work removing any obstructing engine parts. This was a great relief as it could have been much BIGGER job, but it appears these engines are ideal for dual alts.

Then we waited till 11am for the fabricator to come round and discuss the best way to make the bracket. Conan, the fabricator, turned up and had a look along with Sonnie.


(just to note, this is the only picture I got of Sonnie on the day, even then his face is hidden behind my front wheel lol)

The plan was to make the first bracket for the front mounts, get that fitted and adjusted accordingly then make up a L bracket for the rear mounts. As the front mounts would be taking most of the stress and weight the bracket would need to be made of 10mm high grade steel. Whilst Conan went back to make the first bracket up we decided it was time to grab some breakfast from the cafe down the road. By the time we returned the bracket had been made and was being fitted and fine tuned.



Giving birth to 210a of greatness.



Once the front bracket was sorted Conan cracked on and got the second one made up. Again it needed fine tuning but within about 20 minutes the alternator was securely fitted and pretty much bang on in line with all the other pulleys.

Down blouse and up skirt shots.





Obviously a new shorter belt was needed to be fitted. Grove stock a load of belts, I think they'd managed to get a xx55mm belt on but it was a bit too tight and they didn't have any longer sizes in stock. Within about half an hour a motorbike turned up with 3 more belts, hoorah! A correct size belt was found and fitted.





It was all up and running perfectly. The alternator hadn't be wired up yet, I wasn't able to source any wiring in time - I did contact bassboy on the day, as it would have been a simple job of just collecting the wiring from him, whilst he had some wiring for what ever reason he was unable to supply me with any at that moment in time, admittedly this was a shame. However my main priority was getting the alternator physically mounted and fitted, if there are any niggles further down the line then that's something I'll deal with. So far though I've done a few thousand miles since having the second alt fitted and I haven't experience any issues or difficulties with the actual belt, but that could change once I apply a load on the alts.

The alternator will be wired up once my installer gets his hands on it.

By about 5:00pm we were back on our way.

An hour or two later we were back on the magical M1, around junction 11 we started to notice some smoke...





Seems like a pickup truck had caught alight, luckily the fire brigade were on the scene pretty sharpish. By 9:00pm we were back home, 8 and a half hours of driving and 407 miles later.

This bit may be irrelevant to most of you but just in case there's any UK bassheads reading this...

If anyone ever needs anything alternator/starter motor or even just general car electrics related Grove Autoparts is the place to contact, especially if you're located in the London area. Sonnie and his team are very knowledgeable and mechanically capable. They have all sorts of diagnostic and testing tools to trace any problems you have and have a huge store of parts in the back. I know some members on here have been a bit frustrated when trying to contact Sonnie, usually getting told to call back later or being told Sonnie will call them back soon, but believe me Sonnie is a very busy man.

I have a feeling that Sonnie had let us jump the queue in terms of the work he had on so he could get our car done in a day. Besides the Golf there was also two BMWs waiting to be worked on and another car was being dropped off on the weekend, alongside other people turning up during the day dropping alts/starter motors off and picking up other parts.

A big thank you to the team at Grove, I had the 3 mechanics alongside Sonnie working on the car from 10am till around 4:30pm and only got billed for 3 hours of labour. Furthermore Sonnie's hospitality was spot on, we had free reign of the unit, supplied us with some chairs to sit out in the sun and even offered to lend us a car during the day so we could sample the delights of Mitcham. A big thank you to Conan (of Conan Study Blacksmith) as well, his fabricating skills are top notch and uses the best materials out there.
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Old 05-22-2012, 07:10 PM
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nice stuff thats not the original alt in the Audi right ?
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Old 05-22-2012, 07:12 PM
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Quote:
Originally Posted by AudioPsiho View Post
nice stuff thats not the original alt in the Audi right ?
Thank you. No, the original alternator was 140a iirc. This is an alternator fitted to Renault cars/van and I think is produced by Mitsubishi. It is a very easy swap on most VAG engines. It is claimed to produce 210a but in actual tests it makes 170a at engine idle and 260a+ at 2k engine speed. In total thats 500a+ of alt power on this car!
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Old 06-28-2012, 12:23 PM
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Might as well bump this back up, although theres not that much interest lol.

The install will be using a SPL Dynamics D6 amp:





Next up will be the subs which should land with us tomorrow
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