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Vibration Update - A8 6spd Conversion

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 Post subject: Vibration Update - A8 6spd Conversion
PostPosted: Wed Aug 15, 2012 6:32 am 
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I've been lurking here for some time - lately I've gotten the fever to install a 6spd in my 1999 A8. I've done some research here and on other sites, but I'm still confused about some things. I have heard that if you buy an S4 of the 04 vintage that you will get 'all' of the parts needed. I started looking at S4's and noticed that there were two different transmissions and what seems to be two different engines. The trans codes are FVD for up to VIN 200000 and HEP for beyond that. The engine seems to change at the same time (I don't know the engines codes as of now). My question is this: Which trans do I need or will both work? I don't know alot about these different trans or engines but I am guessing this - The engine in my 99 a8 is a 4 valve 4.2L - my old v8 quattro was a 4 valve 3.6L and those engines are basically the same design with the same bolt pattern on the engine and crank. I'm guessing that the engine in the older 04 S4 is the same design as my engine and that the newer 04 S4 is the newer 5 valve engine which is a completely different animal, as I have worked on a variant of this engine in my fathers 06 a8. Any thoughts? Thanks.


Last edited by wilke_jb on Mon Jan 04, 2016 8:41 am, edited 19 times in total.

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 Post subject: Re: A8 manual conversion Help
PostPosted: Wed Aug 15, 2012 6:52 am 
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Figured I should add some pics of the car as well. It may not look it in the pictures but the car is pretty flawless for a 13 year old.


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 Post subject: Re: A8 manual conversion Help
PostPosted: Wed Aug 15, 2012 11:10 pm 
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A couple weeks ago I stumbled across an actual DIY writeup with lots of parts specific information on another board and if memory serves correctly it was by a user named tozo.

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 Post subject: Re: A8 manual conversion Help
PostPosted: Thu Aug 16, 2012 5:20 am 
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Thanks for the reply. After I wrote the initial post, I stumbled across someone else on here trying to do the same thing. I found the name 'TOZO' as well and found his write up on audi world. Thanks for the help and I will post back here when I move on this.


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 Post subject: Re: A8 manual conversion Help
PostPosted: Thu Aug 16, 2012 6:56 am 
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Tozo(Gabor) did it on few cars. He's here in Chicago and could do it for you as well for reasonable $$ I think. You should use 01E...and I believe he used UrS half shafts, the rest I don't know.

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 Post subject: Re: A8 manual conversion Help
PostPosted: Fri Aug 24, 2012 11:48 am 
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Been doing some more research on this. Looked at some other posts about guys looking to do this. Read over TOZO's thread. Gathering part numbers. I can make my own parts for alot of this stuff, but would rather have the original items to make it more authientic and save me time. Couple questions:

1. Does anyone know how to get german only parts to the states? Dealer said they can't get them and won't even try. Would prefer used over new, but I could do new if needed. I have looked long and hard at german, UK and french ebay - I can find a few things but not much.
2. Does anyone know the dimensions of the factory flywheel that came with the ABZ? Again can't get it in the states and I have access to a machine shop if needed.

Thanks again.


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 Post subject: Re: A8 manual conversion Help
PostPosted: Fri Aug 24, 2012 8:55 pm 
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Check german websites (including http://www.ebay.de/ ) and just translate a word or a page at a time with http://translate.google.com/ Thanks to doing this for the last few months I'm even starting to learn a little german :hide:

Also: http://www.audiklubas.com/forumas/uab-' ... msg716709/

Tomorrow afternoon I'm going to pick up the complete drivetrain minus engine/harness from a '92 S4.
Hopefully soon it will be going into my 2000 A8. Since mine is still working as a daily driver, I won't start the actual swap until my wife is on maternity leave in December, The transmission dies, or I just can't wait anymore.

Good luck with your swap. :cheers:

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 Post subject: Re: A8 manual conversion Help
PostPosted: Fri Aug 24, 2012 8:56 pm 
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Also, I still can't find the actual DIY writeup anymore, it wasn't TOZO's post.

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 Post subject: Re: A8 manual conversion Help
PostPosted: Wed Aug 29, 2012 12:16 pm 
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Getting more serious now. Bought a beater car to use while the A8 is under the knife. I may want to move this over to the project thread soon - how do I do that?


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 Post subject: Re: A8 manual conversion Help
PostPosted: Fri Sep 14, 2012 12:23 pm 
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Getting the beater honda up to snuff to use for the next few months. Gathering parts, see pics. Also, How do I move this to the project section? Thanks.


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File comment: A very important (and large) piece of the puzzle!
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 Post subject: 99 a8 6spd conversion - IC coding?
PostPosted: Mon Oct 15, 2012 7:35 am 
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Got the honda Licensed today - finally! Hate the DMV with a passion - I don't generally get angry - but I always seem to at the DMV. Need some help with how to code the IC to seem manual - You know get rid of the 'push brake to select from park' and the 'PRND321' from the display. Any help on the coding? Thanks.


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 Post subject: Re: 99a8 6spd conversion - IC coding?
PostPosted: Mon Oct 15, 2012 7:38 am 
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Also, got a bunch of clutch parts last week. Been measuring the PP and working on the drawing for my flywheel.


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 Post subject: Re: A8 manual conversion Help
PostPosted: Thu Oct 18, 2012 7:42 pm 
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wilke_jb wrote:
Been doing some more research on this. Looked at some other posts about guys looking to do this. Read over TOZO's thread. Gathering part numbers. I can make my own parts for alot of this stuff, but would rather have the original items to make it more authientic and save me time. Couple questions:

1. Does anyone know how to get german only parts to the states? Dealer said they can't get them and won't even try. Would prefer used over new, but I could do new if needed. I have looked long and hard at german, UK and french ebay - I can find a few things but not much.
2. Does anyone know the dimensions of the factory flywheel that came with the ABZ? Again can't get it in the states and I have access to a machine shop if needed.

Thanks again.


If you are looking for European-only parts you can always try Christian at EPP..... http://www.europeanperformanceproducts.com/shop/ I've dealt with him a number of times and I haven't had any problems getting parts. He has contacts in Europe and has most of the stuff shipped directly to you from Europe but it is always an option.

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 Post subject: Re: 99a8 6spd conversion - IC coding?
PostPosted: Fri Oct 19, 2012 8:01 am 
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Hey, thanks. I got most of my stuff already from Scott @ advanced automotion, turned out really well. If I need more parts from europe and Scott can't get them, I'll give him a try. Thanks again.


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 Post subject: Re: 99a8 6spd conversion - IC wiring
PostPosted: Fri Oct 19, 2012 9:54 am 
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Haven't gotten any replies on recoding the IC - anyone got a wiring diagram showing the relationship between the TCU and the IC? Thanks!


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 Post subject: Re: 99a8 6spd conversion - IC Wiring Diagram?
PostPosted: Fri Oct 19, 2012 10:01 am 
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http://www.034motorsport.com/034efi-engine-management-034efi-chip-tuning-abz-v8-manual-conversionperformance-chip-p-21340.html

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 Post subject: Re: 99a8 6spd conversion - IC Wiring Diagram?
PostPosted: Fri Oct 19, 2012 10:06 am 
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I've been looking at that chip from O34 - I may still do that - but I'm looking to get the Instrument Cluster to be happy. I want to get rid of the 'push brake before shifting' and the 'PRND432' from the display. I didn't read where the chip will fix that. Maybe I missed it? I really just want a wiring diagram for the IC. Anybody have that? Thanks.


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 Post subject: Re: 99a8 6spd conversion - IC Wiring Diagram?
PostPosted: Fri Oct 19, 2012 12:57 pm 
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My understanding of tip-->6sp swaps is you need a new cluster and pedal assembly.

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 Post subject: Re: 99a8 6spd conversion - IC Wiring Diagram?
PostPosted: Fri Oct 19, 2012 1:00 pm 
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I was worried about that. I have the pedal cluster stuff. Its the IC I'm worried about. I'm wondering if I disconnect the ties from the TCU to the IC if that will make the display go away? I'm probably not that lucky.


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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Mon Nov 05, 2012 10:07 am 
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So moving forward slowly. Got a bunch of parts and no time! Need to recoup some cash to pay for all of this stuff - although Im really only in for about $2500 so far - not too bad. I've decided to do a refresh on the engine in terms of seals and TB stuff, so that set me back a bit. I decided to buy another a8 that needed a tranny - I'll fix it with the autobox from mine and make some money back - hopefully. Also - I put a pic of the crappy honda that I'm driving in the mean time. All my audi buddys make fun of me when they see me in it - I don't care, it is actually nice to drive a car that I don't have to worry about parking lot scratches and the like.


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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Wed Dec 05, 2012 11:53 am 
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Little update. Getting the Tranny out of mine and ready to put in the 'money maker' I call this pic "DUELING ABZ'S"


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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Mon Dec 10, 2012 9:54 am 
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Cleaning up the engine bay. Gonna remove the pilot adaptor for the torque converter and I hope to finish drawings and machine the flywheel this weekend!


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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Wed Dec 12, 2012 7:24 am 
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Got the pilot bushing out of the crank last night. Thanks to Chris that is doing the A4 ABZ conversion! Great idea using a 3/8 pipe tap and grease to get it out. Came out like a dream


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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Wed Dec 12, 2012 10:17 am 
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wilke_jb wrote:
Got the pilot bushing out of the crank last night. Thanks to Chris that is doing the A4 ABZ conversion! Great idea using a 3/8 pipe tap and grease to get it out. Came out like a dream

I forgot who I originally stole the idea from but it works like charm. Looks like everything's coming along nicely here. Nice job !

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 Post subject: Re: 99a8 6spd conversion - Phase 2
PostPosted: Wed Dec 12, 2012 5:15 pm 
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Well done! I just did that job today, used the very old-school axle grease method. Fill up the cavity with heavy grease, find a tight-fitting socket (I think a deep socket would work better) and with a hammer pound the hell out of it. Eventually it starts to come out:

Image

Image

Image

Image

I had heard of this method and though skeptical I guess never doubt simple physics, hydraulic pressure is your friend. Next is sourcing an S6 Plus flywheel so I can get this lump into my C4...


Last edited by islingtonaudi on Thu Dec 13, 2012 6:42 pm, edited 1 time in total.

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