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Thread: JIG's B7 RS4

  1. #1
    Super Moderator Jig's Avatar
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    JIG's B7 RS4

    Model: 2007 Audi B7 RS4 Sedan Silver with 31,000 driven kilometres. Again very fortunate to find a car in this year with low mileage.



    Driving Impressions: The RS4 has a high revving engine(9000rpm) and revs easily to the redline whilst maintaining power all the way. Very linear and very familiar having owned V8s in the past and supercharged cars. It has great torque at the lower rpms also and will urge you forward when the pedal is tested. The engine tone when revved sounds like it has a supercharger and I love it. The exhaust tone however coupled with the engine and even with the sport mode on is too quiet for my liking. Maybe I am used to the Capristos, Supersprints, Tubis of the world and feel the RS4 requires more aural presence to match the badge it carries. More later about the exhaust. The handling however with its Quattro AWD system is very capable but because it is such a long and heavy car, it feels loose. Suspension travel(rebound and compression) is very long and body roll is evident. I can feel a bit of flex in the chassis something that may have been acceptable when the RS4 was first released but comparing to the cars today, for me, its definitely not acceptable. The gear shifts is also quite long and not as precise as my MKIV R32. This needs to be corrected. Overall, as an OEM RS4, from an engine capacity, I would give it 8/10. From a suspension and handling capacity, I would give it a 6/10.

    Phase I

    Suspension & Handling: As with all cars I have owned, the focus has always been in S&H. Here are some of the S&H parts I have installed for the RS4.

    1. Motor Mounts - Motor mounts aid in stabilizing the engine when the engine is on load and with 9000rpm on tap, you need stronger mounts to keep the engine from moving fore and aft. Something you will need in a big V8 especially when negotiating corners. I can already feel the engine at one with the chassis when cornering with these mounts.

    Purchased from JHM Motorsports.Com


    2. Rear Differential mount by Apikol - the RS4 when shifting especially when driven hard, causes the diff to move excessively and followed by a loud mechanical knocking sound at the rear. It sometimes de-stabilizes the car when shifting. This was not acceptable. Needless to say the dreaded knocking sound is all but history. Shifting is so much more direct now.

    Purchased from JHM Motorsports.Com


    3. Transmission Mount - This is similar to the VWR transmission mount. This is not just an insert but the entire transmission casing mount is used here, again similar to the VWR product. The OEM shift points were too bouncy and not precise at all. Its amazing how this simple mount changes the entire shifting experience.

    Purchased from JHM Motorsports.Com


    4. Short Shifter Kit - OEM Shifter is simply too long, sloppy and often feel disconnected from the steering. Again, may have been acceptable when Jeremy Clarkson was testing the RS4 in Top Gear but in today's standard, I found it lacking. The JHM Short Shifter changed the dynamics of the shifting completely. This is how it should have come out of the factory.

    Purchased from JHM Motorsports.Com


    5. KW V3 Coilovers - Proven over and over again to be one of the best C/Os in the world. ADjustable height, compression and rebound. Its so much more responsive than the OEM suspension. Less travel, and could not believe it, less bouncy even when set to 50%. Its set at its lowest recommended configuration. It is not slammed but as always, function over form wins for me everytime. Purchased and installed by Ramspeed.

    6. H&R Sway Bars - I decided to see how the car handles without any sways especially when the KW V3's were installed. Unfortunately, the RS4 still needs sway bars. So the proven and always reliable H&R it is. It is on order and purchased from Ramspeed.

    I would like to explore similar UNIBRACE fittings for the RS4 but in all honesty, this is a cruiser rather than a racer of a car. Will give it a miss.

    Exhaust Modification: The RS4 needs more sound. This I know...

    1. HMS Valve-Tronic Exhaust - Was the chosen recipe and mother earth, it is by far the best mated exhaust for the RS4. Forget the Capristo, the Millteks, the Supersprint(all of which I have heard on an RS4 before by the way). The HMS is the pick of the bunch here. I will endeavour to video the exhaust and let you be the judge of it. There are 2 stages. Close stage by definition means close but then opens up at 4800rpm. Open stage is fully open all the time and this is where I spend most of the time. No drone at all rpms. Just pure rasp, bark and roars at the same time.

    Purchased and installed by Ramspeed







    Wheels: Wheels are chosen, awaiting delivery so will keep it in the wraps for now. Configuration is 19x9.5 ET30 front and ET34 rear. Forged and 3 piece

    Cosmetics:

    1. Blacked out front outer Grill surround and side brake fins/ducts - I opted the vinyl wrap instead of painting it only because the brushed chrome finish is simply an art work. Did not want to make the paint permanent. I chose Satin Black 3M wrap so it has a shine finish to it. Looked much better than I expected and on-par with Satin paint.

    Satin Vinyl Wrap performed by CarbonDemon.com.au





    Phase II

    Supercharger - What good is power when you cannot put it down on the road? Now that the S&H is nearly sorted, time to improve the engine. I have chosen a centrifugal supercharger rather than twin screw. I fear than a twin screw supercharger will diminish the sound of the HMS Exhaust and it is something I did not want to compromise. I will reveal this after it is installed but I have been advised that power would be around 464KW Flywheel and 620Nm torque.

    Thanks for looking and now enjoy the pics below. I know some of our members have RS4's here so I hope my short synopsis has been helpful.







  2. #2
    Super Moderator Dub's Avatar
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    Subscribed for sure !!!

    Great pick up sir as always, ever the master for the low km finds. That exhaust is pure porn !

  3. #3
    Senior Member J.T's Avatar
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    Never one to disappoint!!

    Well done

    Love the fact is has a proper gearbox too!

    Edit.. Just went and checked out the exhaust on YouTube... DEAR GOD!
    Last edited by J.T; 12-03-2013 at 07:34 PM.

  4. #4
    Senior Member 909OGO's Avatar
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    Love the traction of the Quattro, APR developed a Supercharger for B7 RS4, a bit pricy tho.
    | APR K04 tune | APR 3" RSC | Custom-Code DSG Software | Forge Twintake | Forge Twintercooler | Forge K04 Wastegate Actuator | Forge Catch Can | Whiteline ALK | Whiteline RSB | BSH RSB Endlinks |
    | R32 Hella Xenon | R Style Tails | BSH Dogbone Mount | BSH Engine Mount | BSH Transmission Mount | APR Torque Mount Insert | Neuspeed UDP | GFB DV+ | Autotech HPFP | SPULEN Runner Flap Delete |

  5. #5
    Senior Member Stalker's Avatar
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    subbed. Nice pick up Jigger!
    2008 MKV R32 <--Click for pics - Deep Blue Pearl - 3DR - Manual - 20% Tint - EVOMS Intake - Milltek Non-Res Catback Exhaust - APR ECU Tune - 18" GTC GT-CX Rims - Dunlop SP Sport Maxx TT Tyres - Whiteline 24mm RSB - Adam's Rotors (Double Slotted) - Hawk Ceramic Brake Pads - Vibratechnics Road Torque Link Mount - SprintBooster - R8 Coil Packs - NGK Platinum Sparkplugs - Stubby Antenna - Shell Helix Ultra Extra 5w30

  6. #6
    Senior Member sxcR32's Avatar
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    Very nice Jose! Pure class as always mate

  7. #7
    Senior Member DOM337's Avatar
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    Subscribed!

  8. #8
    Super Moderator VADERR's Avatar
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    Holy #$%@!

    Sub'd

  9. #9
    Senior Member
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    Nice pickup, especially with those kays.

    I have a very similar car - '07 RS4 in Daytona Grey with the bucket seats and RS4 FBSW.

    Looks like someone has done a FBSW retrofit with the multi function wheel which is one less thing for you to do.

  10. #10
    Senior Member mpanza's Avatar
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    This is a great car, i hope you find great power and excitement Jig

    ...My mechanic has recently installed the APR Supercharger and other mods to a customers car... check out the video clip

    http://www.mullerandmuller.com.au/5/...-upgrades.html
    Panza's MK5 GTI 205+ kwatw Build Thread

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