Many OG Audizine folks will be familiar with this car; it won the 2004 Eurotuner 1.8T Challenge and was owned by an old forum member, audimus ed. It's probably one of the most well used B5 A4's out there, with over 215,000 miles, tons of track time, and even driven briefly by Gary Sheehan at one point. It was purchased by a buddy about a year ago, and we were going to build the car together, but plans changed and we decided recently that I would take on the project by myself. She finally came home yesterday.
The car sits basically the way it was back in 2004, with a few minor changes, specifically the gorgeous Casa white paint job and 4 bent valves in the head (2nd or 3rd time this has happened...). She's already pretty dialed and been this way for quite awhile, with an APR Stage 3 complete turbo kit, spherical control arms, Neuspeed bars, Stoptech brakes, Recaro seats, 4:1 diff, and more.
However, I've got a bitttttt more then that planned for her!!!
First order of business is to get the car up and running, which means a complete Supertech valvetrain into the AEB head. Inconel exhaust valves, stainless intake valves, high rate valve springs, and ti retainers are all going in next week. Hopefully add an Integrated Engineering drop-in "factory timed" mild intake camshaft, and we are good up top! Going to keep the shortblock stock for now, since I do not want to build the 058 block; I will begin building an 06A block on the side.
The car will be run on 034EFI standalone engine management system instead of the APR Motronic; specifically a Stage IIc, which gives me incredibly easy tuneability, as well as a host of options needed for racing, such as "Push to Pass" boost control (kills understeer by a huge amount), gear based boost control, anti-lag, flat foot shifting, CAN integration for logging, AIM dash, and much much more.
After the engine is up and running, I will be swapping the 01E 6 speed drivetrain over from my other A4, at which point I will do the rear cage and the interior starts to get pulled in preparation for the front cage, along with battery relocated to the trunk and a complete set of 034Motorsport aluminum subframe bushings and motorsport/track mounts to replace the aging units.
Then comes the most important part of the car, suspension; while it is already outfitted with adjustable control arms front and rear, it is only sitting on a Koni strut/spring combo which is hurting its performance. The car will get either another pair of Ohlins Motorsports, the Ohlins off my S4, or a Performance Shock Inc. rebuilt and revalved set of Koni coilovers with 800/900 Hyperco springs (basically more aggressive Tracksports). I will also be swapping out most of the CPP adjustable control arms and links for our own updated 034Motorsport spherical race control arms, top and bottom, front and rear.
I currently run 235/40/17 Nitto NT01 DOT-legal tires on some Kosei T1's, but I will be rolling the fenders even more and pulling a bit so that I can fit 245/40/17 NT01 or RA1s (much larger then street tires); I will run the standard 255/40/17 for street tires that I run on all my other B5's. Besides pulling the sunroof, I don't have any body modification plans, since the car has a full S4 body kit and a new paint job. Pains me to know that this will probably get damaged as a track car, but so be it.
The 06A block will have JE 9:1 pistons, 2L crank, IE rods, and may immediately go to a dry sump system. The goal is for a competitive and relatively easy to maintain Time Attack car; there is a pretty vibrant TA scene here in California, and another coworker is doing basically an identical build as me, but 2.0L from the start. We are very lucky to have the 034Motorsport B5 A4 Time Attack race car right here, since it is one of the fastest road-racing B5's in the entire world, and we are both using it as a model and inspiration.
Next year I have the goal of removing all glass as well as some other major weight savings. I want the car under 2750 without full stripping, which shouldn't be a problem considering the 034 Time Attack car sits about there and still has full glass and a very heavy cage. With a bit more planning from the start, I should be able to do a lighter and just as effective design.
I'll be updating this as time goes on and I juggle time with my other project; my single turbo B5 S4.
The nice pics are all stolen from Ed; I've been to busy to take my own. But the car looks just as good now as it did in the photos. If only I could easily insure it for more, I'd swap my S4 into this chassis and make the race car out of my beatup S4.
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Originally Posted by andyrew
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