B5 s4 f21 turbos. Thats so 2 months ago.

B5 s4 f21 turbos $2,499. These three options span the range near the stock motor limit with the K04 filling the lower end, F21/RS4-X the middle, and RS6-X the upper end of Horsepower potential. Audi B5 S4 Information and Testing FrankenTurbo F21 The second direct comparison of the search to find the best stock motor turbo involves the BorgWarner K04 and FrankenTurbo F21. Thats so 2 months ago. Complete bolt on Turbo upgrade including turbo inlet pipes Aug 13, 2007 · I'm on the fence whether or not to invest in IE drop-in rods and a built head and go for a bigger turbo down the road, or save my pennies and buy a B8. Im just glad the market for my 12 year old platform is still demanding development with todays technology. Looking for the best tuning for them Feb 28, 2014 · Based on prior information about gains available to the B5 S4 by using E85 fuel the significant increase in wheel horsepower is not surprising, though still impressive. 7T with our Billet RS6 Style Turbochargers from S. Turbos this size require more supporting mods like FMIC, injectors, Rods etc etc. 5 Nogaro Sedan JFonz Tune Franken F21s--SOLD Dec 10, 2011 · B5 S4 | Stage 3 SRM RS6 | gone. Jan 25, 2007 · The Turbo Technics designed and manufactured VSR balancing machine ensures that exact limits are achieved every time, regardless of the vehicle to which the turbo will be fitted, from the humble Mondeo turbo diesel to a full works Group A' Escort Cosworth. I found some k04 turbos with the inlet and up pipes for about $1400. Audi B5 S4 Dual Mass Flywheel. did the timing belt, water pump and apparently installed an RS4 ECU in it, at least according to the code on the outside of the box. I currently have a Stage 1 tune (APR). Wastegate issues, chra issues, seals blowing and so on. 00 Nov 26, 2014 · Stg 3+ B5 S4 Epic tuned f21 turbos and methanol-Low boost and a filmed on a closed coarse in Mexico 1:37 for a 40-120 in 8. Test fitting turbo lines. CELison. Car just got finished and was pulling hard and ran great. View Profile I'm going to be in the market for a new turbo set up . The tune peak psi is 17-18 and tapers to around 13-14. Any quarter mile and trap speed times would also help. 7 T GTX Billet hybrid 385+bhp Pair Turbos 5316 970 0016 / 0017”. Turbo Concepts DZX-271 Turbocharger Wastegate Canister Aug 8, 2018 · S4 / RS4 (B5 Platform) Discussion - JHM Rs6 turbos - Im currently in contact with a guy who purchased these a year ago and has no problems but said he had to get forged rods. Jan 30, 2016 · A site dedicated to documenting my experience owning an Audi B5 S4. ECS Tuning now offers an exceptional new complete bolt-on turbo upgrade kit that requires no additional plumbing or modifications. The tuners (well, HPA) mitigate any torque spikes with tuning to save the transmission in lower RPMs. 5″ single (3″ mid-pipes with dual Magnaflow mufflers) exhaust system. I cannot tell if the perceived slow boost onset is attributable to the tune, a potential hardware problem, a bias from having just driven the car with K04’s, or is just a noticeable Apr 19, 2014 · Also, at 253k, how did your turbos look when you swapped to F21's? ehhh they were actually better than i thought. May 31, 2015 · This is a FrankenTurbo F21 turbocharger turbine housing for the Audi 1. That makes it an interesting option in the mix. I already know the common go to's such as BW K04's, f21's, SRM hybrid K04's, K24's, TTEXXX, etc but have been concerned about the long term-ish reliability of these. 8 heads, BW RS6 Turbos-Current 2001. Audi B5 S4 2. It seems that many b5 s4 guys judge turbos based off which tuner is marketing the turbo, the dyno sheet, and ¼ mile times. Audi B5 S4 Suspension and Brake Upgrades Jan 11, 2017 · 2001 S4 Sil Sedan ASP Stage 3-Current 2001. FrankenTurbo F21; TiAL May 26, 2014 · ive searched around a bit and cant really find a conclusive answer comparing FrankenTurbo F21's to JHM's RS6-R turbos. 7T Bi-Turbo Engines Pricing starts at $1699 Price including oversized inlets: $1899 Material Specifications 2-year limited warranty Designed in the USA & Manufactured to Meet or Exceed OEM Specs 10-blade MixedFlow Mar-m246 alloy steel Turbine roto Anti-surge 2618-alloy aluminum billet compressor wheel 42CrMo High-strength rotor shafts 360˚ alloy Thrust Bearings Aug 18, 2015 · The following should be here soon : F21 Mixed Flow Turbo Kit with 3" VR6 MAF Housing, Motoza Tuning with 550cc Injectors, CX Racing FMIC and Ebay Testpipe. I know its not a B5 s4, but I figured there are probably way more modded S4s running around than A6s. 07-27-2016 09:37 PM #2. and fueling and spool a good bit sooner than bigger turbos. Thanks to Prince for everything I'm May 12, 2020 · Hello, I have a b5 s4 that is a stage 3 minus car with f21’s tuned by Blake Beadle. I paid $1000. 7t RS4 / S4 B5 / A6 C5 ALLROAD Welcome to our TTE880 for Jun 25, 2013 · 01. 7T Twin Turbo Stage 3 600whp Upgrade Turbocharger Set $ 1,795. Dyno run of a stock-engine B5 S4 running our Apr 12, 2018 · Initial installation of the Mamba wastegate actuators onto the FrankenTurbo F21 retrofit turbochargers. K24s are on a built I am planning ahead for my inevitable turbo demise so I want to know what reliable turbo options there are these days to put me in the ballpark of 400-440whp. The best options are now Feb 26, 2011 · And the price is definetly a factor. 7T F21 Hybrid Turbochargers. 6/56 which is the same as the RS4-X (and FrankenTurbo F21), but the turbine side is the larger RS6 size. GTX turbos have billet wheels so they make the same power and spool faster. F54 Super-TD04 Twin Turbos for BMW N54. F21 Hybrid Turbochargers (With 2-Pass Ceramic Coating) Complete bolt on Turbo upgrade including turbo inlet pipes B5 s4 with Frankenturbo F21 m/f turbos and a solo motorsports stage 3 tune on wastegate pressure(14psi) About Audi B5 S4 K03 Tunes; Nef Stage 1; Nef Stage 2; S4 with RS6 EGT sensors; Tweaking KFLDRL for Wastegate Control; Misc. 7T FrankenTurbo F21 Hybrid Turbos ECS Tuning now offers an exceptional new complete bolt-on turbo upgrade kit that requires no additional plumbing or modifications. 00 – $ 2,170. 7L Bi-Turbo 2001 B5 S4 Thanks!-Recent Audizine Member-'01 B5 S4 - Blue 2001. Now Im toying with getting back into one. I read a lot of people were having premature failure on there f21 turbos. American-Built Brand New! May 25, 2013 · 2. Feb 8, 2010 · S4 / RS4 (B5 Platform) Discussion - My RS6/Hybrid build - I have decided to go with the RS6/Hybrid turbos from vast. Engine Clean Up. 8T engine minus the turbine wheel. 59mm intake compressor wheel and a bored out housing. 7T. Sep 22, 2013 · I'm wondering how much power one could get from an b5 s4 full bolton (no upgraded internals/turbos). Jun 11, 2013 · Hey guys, I had to sell my Silver B5 S4 with F21 setup back in 2017 for health reasons. Backed by an 18-month warranty at 30 psi. I'm trying to get what I paid for them. Featuring upgraded bearings, billet compressor wheels, and 1 bar wastegates, these turbos deliver exceptional performance at an affordable price. Audizine Forums > Main Model-Line Discussion > B5 S4/RS4 > B5 S4/RS4 Classifieds > Feeler: F21 Mar 3, 2013 · B5 S4/RS4; Best turbo's for 400+WHP; Page 1 of 4 1 2001. 7T F21 Hybrid Turbochargers (Mfg#f21bt) fits Audi B5 S4, Audi C5 A6 2. The information shown below was recorded using my Audi B5 S4 with each turbocharger option. FrankenTurbo F21 1. 12-13-2013 10:20 2002 B5 S4 • KO4 Turbos • AWE Downpipes • 034 Motorsports Inlet Pipes • Evolution Feb 16, 2014 · I learned that it is 42. It will most likely be a project car, since prices have gone way up on clean examples. Dyno sheet compares to k04 car running similar setup. Feb 24, 2015 · I think the F21 has a 50/42 turbine and a custom compressor wheel thats a little smaller than the wheel used in the K280 (which uses a 56/42 wheel from the 8LS3) The K280 is basically a 8LS3 K04 turbo which has been modified with a K03 turbine housing to fit straight onto the A4. Willing to ship at buyers expense List Date: 3/8/2015 Location: Clifton, NJ, United States Feb 11, 2011 · (cost $110/each rebuild kit and $70+ to balance each turbo = $360+ ) < balancing can go up if turbos need more attention or Just letting Durabilt rebuild the turbos. They come with the inlets. Mar 2, 2014 · Dyno chart of EPL tuned FrankenTurbo F21 vs Borg-Warner K04. Apr 1, 2015 · I have a 01 Audi S4 with rs4 turbos, injectors, and fuel pump and am looking to to get it retuned once I put water meth on it. Apr 19, 2014 · Also, at 253k, how did your turbos look when you swapped to F21's? ehhh they were actually better than i thought. Silly Rabbit Motorsport Audi B5 S4 Side Mount Intercoolers. Being that I have a coolant leak from one of my turbos and I'll be pulling the motor out, I may as well upgrade in size. gt2871r: i had this but ultimately swapped it for a similar GTX model. Now it’s finally underway. B5 S4, 8V A3, 8V. It has the following mods: Frankenturbo F21 turbos 500cc injectors LaBree Motorsports catless downpipes AWE intercoolers with carbon fiber shrouds RS4 clutch kit Jun 21, 2010 · S4 / RS4 (B5 Platform) Discussion - K04 Turbo upgrade, what all is needed? - I am seriously considering buying a 2001 S4 with 105k and was thinking about upgrading the turbos right away. B5/S4's forever. I have the old f21, and they BorgWarner RS6 – FrankenTurbo F21 – TiAL 605 Then there is an incomplete engine sitting in the corner of my garage that will open some opportunities on account of the 2. I have been waiting to start this build thread for sometime. 8 heads and built bottom end. Dyno of F21 car on e85 car. Mar 25, 2004 · For sale is a 2001 Audi B5 S4 with approximately 143,xxx miles on the clock. I'd expect 10-15* timing at boost peak rising to roughly 25* at redline. 0t 6mt - Stage 2 EPL tuned 2013 Phantom Black Pearl Effect 3. Apr 6, 2014 · The current contenders consist of the Project B5 RS6-X, FrankenTurbo F21 or Project B5 RS4-X, and Borg-Warner K04. Aug 11, 2015 · F21s and K04s are really good turbos and can make close to your power goal on E85 or 93oct plus water meth. FrankenTurbo F21 So the turbos never really boosted much paste wastegate pressure. Chris B6 A4: 2. The difference in boost onset is not trivial: MyAudiS4 | MyGolfMk7 The FrankenTurbo F21 and BorgWarner K04 turbochargers are competing products available to owners of the Audi B5 S4. Mar 28, 2015 · f21: meh my preference is something not made in china. The first drive has been inconclusive. I bought the car with a bad water pump and known ECU issue. FT has been used long enough for reliability issues so now its potential power handling abilities. 5 Nogaro Sedan JFonz Tune Franken F21s--SOLD A site dedicated to documenting my experience owning an Audi B5 S4. The FrankenTurbo F21 hybrid turbo upgrade allows you to use the turbocharger upgrade by itself with all factory components. FrankenTurbo F21 Jan 18, 2016 · A site dedicated to documenting my experience owning an Audi B5 S4. 0t Q5 2014 Monsoon Grey SQ5 - Stage 2 EPL tuned Jan 5, 2014 · Turbos: FrankenTurbo F21-BTsTune: EPL (93 Octane)Best Single Gear Pull: 406AWHP (3rd Gear)Best Multi Gear Pull: 420AWHP (4th Gear)The run file for the 406AWH Oct 28, 2014 · I currently have a Stage 1 tune (APR). Sep 9, 2011 · 2002 B5 S4 Laser Red Avant - Tial 605 EPL tuned 2000 B5 S4 Brilliant Black - Stage 3 K04/RS6 hybrid sedan EPL tuned 2006 Cayenne Turbo - Stage 2 EPL tuned 2006 Audi B7 A4 Avant 2. The car is a stage 3 build using Frankenturbo F21 turbos and is conservatively tuned at about 15-16 psi. TiAL Overall the Turbo Concepts Stage 1 turbocharger performs very well when compared with the BorgWarner K04 and is a cost-effective alternative that has delivered K04-like performance on my S4. TTE880 5154 UPGRADE TURBOCHARGERS AUDI 2. Oct 19, 2007 · '01 Audi S4 6spd Black AVANT DAZ E85 Tune Frankenturbo F21s / 034 RS4 inlets / BOSCH EV4 72# injectors / Walbro 450L fuel pump / Daz 89mm maf housing / AFE Intake Cone / SRM SMICs / 034 street density trans and motor mounts / SSAC downpipes / Vibrant catback exhaust / H&R Ultra Low Coilovers / 18x9. TTE380+ Turbo Upgrade - B5 S4 & C5 A6 2. E. I still need to buy all the hardware for the install as well as some 034 Engine Mounts and turbo oil lines. P. Audi B5 RS4 Pressure Plate. Jun 27, 2012 · 2001 S4 Sil Sedan ASP Stage 3-Current 2001. FrankenTurbo F21; TiAL 605 Turbo Kit. I have actually driven/ logged/ tuned k03, k04, FT, 605, 770, gt25, rs6’s, and pte 6265 on a b5 s4. 7T twin turbocharged engine found in the Audi B5 S4. After run pump. Jan 26, 2016 · A site dedicated to documenting my experience owning an Audi B5 S4. The car was evaluated with three tunes, thanks to Daz for his assistance with getting all three of these together. STAGE 3 RS4 Hybrid turbos using RS6 (K06) Exhaust Turbine Housings. S. I was told they have 3000 miles on them. Automotive. 08-27-2012 10:44 PM #2. Nov 25, 2017 · I was researching the numerous turbos available for the b5 platform. F21 Hybrid Turbochargers (With 2-Pass Ceramic Coating) Complete bolt on Turbo upgrade including turbo inlet pipes DZX-273 B5 Audi S4 / A6 / Allroad 2. 5 S4 Casa Sedan Built Motor TiAL 770-Current Jan 11, 2016 · 2001 S4 Sil Sedan ASP Stage 3-Current 2001. These results while being quite interesting haven’t swayed me to eliminate one turbo or the other – they do highlight how much turbocharger selection can affect the end driving experience and the importance of establishing a priority of what criteria are to be met. Audi rs4/rs6, Tial, GT????, now Frankenturbos and single Big Turbos are in the game. 04-30-2015 12:00 AM #19. and even then youll wish you had more power. Electronics; Engines; Wheels & Tires Discussion; Performance and Tuning; Suspension Tuning Discussion; Brakes Discussion; General Car Sep 22, 2013 · I'm wondering how much power one could get from an b5 s4 full bolton (no upgraded internals/turbos). Feb 25, 2016 · Here are the results from taking my S4 equipped with FrankenTurbo’s F21 mixed flow turbochargers to the Dynojet I have logged my car on previously. Audi B5 S4 Information and Testing. Dont want to start a war or pissing match comparing chinese made stuff to european sourced stuff or anything, just curious about: Since I last gave a look at the FrankenTurbo F21 there has been an update made that legacy F21’s can take advantage of. 7T, Audi C5 Allroad Quattro 2. The tune was intended to operate the F21’s at a boost profile close to what I would operate BW K04’s at. Hybrid turbocharger kit for Audi 2. I sold my car and don't need them anymore. 5 B5 S4 Avant 2009 B8 S4 6MT F21? Nah, not anymore. Jan 19, 2020 · Make sure to subscribe to stay up to date with all of the GET contentFollow us on IG @gerwatkins and like us on Facebook @germanelitetuningAudi B5 S4 with F2 TTE380+ Turbo Upgrade - B5 S4 & C5 A6 2. Jan 10, 2012 · So maybe 30-50hp more than a strong K04/F21 car on meth with 600rpm later spool. 5 Rota Grids / 17z Brembo front BBK / 034 Rear BBK / JHM Short shifter / JHM stg 3 clutch / PODI Sep 30, 2006 · Turbos: SRM - K24 RS6 Fueling: 70lb EV14, Walbro 450 pump, 90mm MAF - built my own intake random silicone and elbows 01 s4 f21 on meth sold B5 S4- K24s, built Feb 14, 2017 · I received a cylinder 3 misfire, changed out that coil pack and its gotten somewhat better since the video. Give a bit more flexability than the kkk type. It has the following mods: Frankenturbo F21 turbos 500cc injectors LaBree Motorsports catless downpipes AWE intercoolers with carbon fiber shrouds RS4 clutch kit Description of the addition of a TiAL 605 Turbo Kit to my Audi B5 S4 and the subsequent tuning activities at EPL Labs with Dyno results. FrankenTurbo F21 Mar 21, 2015 · 2016 A6 TDI Prestige - Malone Stage 2, DPF Delete, EGR blockoff, S6 F&R brakes, 034 RSB, RSNav S4, P3 v3 TDI gauge 2003 RS 6 - AMD ECU/TCU tune, KW V3s, Hotchkis sway bars, Phaeton brake ducts, red carbon fiber trim May 29, 2015 · Audi S4 / RS4; Audi A5 / S5 / RS 5 Coupe & Cabrio; Audi A6 / S6 / RS 6; Audi A7 / S7 / RS 7; Audi A8 / S8; Audi Q3 /Q5 / Q7 / Q8; Audi R8; Audi TT / TT-S / TT-RS; Other Audi; Audi e-tron; Technical Discussion. 7T FrankenTurbo Turbochargers Audi 2. Jul 24, 2014 · B5 S4/RS4; Help on deciding turbos , srm rsko4 hybrids vs f21; Results 1 to 34 of 34 Thread: Help on deciding turbos , F21 was stock block. The inlet is also sleeved because of how thin boring the housing makes it. Jul 24, 2014 · RS6 size turbos are nice on highways, K04's are in my opinion a better all-around fit for a daily driver. Jun 8, 2015 · FrankenTurbo F21 Hybrid Turbo Upgrades For B5 A4 ECS Tuning now offers an exceptional new complete bolt-on turbo upgrade kit that requires no additional plumbing or modifications. TiAL 605 Kit Install; TTE550 Aug 29, 2017 · Parts for sale: Pair of Frankenturbo F21 turbos (six blade compressor wheel) (passenger side is intact while the driver's side CHRA is separated B5 S4/RS4; B5 S4 Oct 6, 2015 · B5 S4 ko4 turbo upgrade Guest-only advertisement. Im running a stage 3 kit with franken turbos on E85. 7t 6spd. Still breaking up at high rpm. As FT has developed a turbo for the BMW N54 engine the legacy F21 turbo’s can be retrofit with a similar product that leverages the work being done for the BMW engine. 5 S4 Casa Sedan Built Motor TiAL 770-Current 2002 S4 Pearl White Avant Stock--SOLD 2000 S4 Nogaro Sedan EPL Stage III--SOLD 2000 S4 Brilliant Black Sedan MTM Stage III--SOLD 2001. Mar 13, 2018 · First things first: Flame suit on It’s officially starting. Aug 16, 2013 · Franken turbo f21 Selling franken turbos f21 that i bought off a form member awhile back. nsaneS4. Jan 30, 2016 · It was clear that the tune was not yet controlling the F21’s as needed so I stopped try to record any further boost data. ECS Tuning Differential Mount. Jun 17, 2018 · The product is not shown on the page of the GP Turbos website dedicated to the Audi product line, but there was a link to an eBay listing provided in the discussion with the title “Audi S4 RS4 B5 2. I tried my F21 car with the stock fuel pump, made it about Nov 17, 2014 · SRM K04 RS4+ (K04 Hybrid Turbo) These SRM turbo’s bring a new twist to the candidate pool because they are similar in size to the FrankenTurbo F21 and ProjectB5 RS4-X on the compressor side, though the SRM uses a billet compressor wheel, but on the turbine side it is using a clipped wheel. 5 Imola S4. 7 (break boosting to 10psi) second Audi B5 S4 2. The fourth chart down is K03's on a pretty aggressive tune , 93 and a minimal squirt (<300 mL/min) of WMI to keep temps down, but not tuned for it. View Profile View Forum Posts 1994 Audi S4 20V Turbo, K24 7400 EFI EXPRESS 2001 Audi S4 Mar 14, 2012 · 2000 Audi S4 Stage 3(SOLD) - 2008 Audi TT 3. Basically a RS6 turbo with a . 0 stroker, IE cams, JHM 01E/Stg4 RS4 clutch/FW, SEM manifold, EFR7163 , Motoza, ID1050x, Walbro 450, Garrett FMIC, 034 mounts/RSB, Koni coils, Hotchkis FSB, 18z, VFIZ, etc. View Profile F21 Purchase date: bought the car with turbos already installed at 150,000 miles Aug 8, 2014 · There's a few people that have done DSG swaps for their single and twin turbo R32s. Oct 8, 2012 · HI all, first off, I have a 2000 c5 a6 2. Jan 20, 2019 · Mamba Billet Wastegates for the Audi B5 S4. (cost $495/each-1 year unlimited mile warranty = $990). Jan 6, 2007 · B5 S4 | Stage 3 SRM RS6 | gone. Some used the Mk4 Audi TT 3. You're spooling those turbos way too late. Covering aftermarket parts, tuning, and modifications of the Audi B5 S4. Complete bolt on Turbo upgrade including turbo inlet pipes × Apr 2, 2018 · Since I last gave a look at the FrankenTurbo F21 there has been an update made that legacy F21’s can take advantage of. Feb 1, 2014 · There are quite a few turbocharger options now available for the 2. What this means is that the Project B5 RS6-X turbo is dimensionally the same as the BW RS6, but at a fraction of the cost. Question 1, If I go with either the k04 or the F21 should I keep the APR tune (I want a moderate tune, nothing crazy. TiAL 605 Kit Install; TTE550 Turbochargers; Turbo Concepts Stage 1; Wastegate Jan 5, 2011 · I would recommend running those turbos at a 25 psi spike from ~3000-4000 RPM coming down to 23-24 PSI up top. 00. 5 S4 Sil Avant Stage 3 IE Rods, CNC 2. I have my eye on a 2000 Santorin Blue manual that is here in south FL close by. Legends Never Die | F21 Powered Audi B5 S4Our Norcross Dyno Lab keeps producing absolute bangers! This Legendary MT B5 came in for that signature B5S4 SMSTun Mar 25, 2004 · For sale is a 2001 Audi B5 S4 with approximately 143,xxx miles on the clock. Jan 24, 2016 · On hand: The Turbo Engineers – TTE550 Borg Warner K03 FrankenTurbo – Mixed Flow F21 Borg Warner K04 Today I finished removing the BW K04’s and installing the FrankenTurbo F21&#821… Dec 31, 2013 · Having changed to a k04 before I would personally go to a gt type turbo as the manifold etc will allow you to change out to a different turbo in the future. 2 trans, others the Mk5 R32 complete drivetrain. Apr 28, 2015 · Audi B5 S4 K03 Tunes; Nef Stage 1; Nef Stage 2; S4 with RS6 EGT sensors; Tweaking KFLDRL for Wastegate Control; Misc. 2 (SOLD) - 2002 S6 Avant Manual w/ S8 PES Supercharged - 2015 Porsche Cayman GTS 1990 Audi Coupe Quattro(SOLD) - 1993 Toyota MR2 Big Turbo(SOLD) - 2001 Audi S6 Sedan (SOLD) @audijedi Upgrade your B5 2. ) Audi B5 S4 Avants; Survey Jan 6, 2019 · FrankenTurbo F21 version 3. 5 RS3 Location San Antonio, TX. The question of FrankenTurbo vs K04 is a common one facing B5 S4 owners looking to upgrade their car from the stock K03 turbochargers. $500 rebate offer for testing/tuning feedback. They can certainly hold the torque, just depends on how it's delivered. Production Numbers (U. Even if I do have a replacement set of K03 lol. FrankenTurbo F21 Flow testing the full B5 S4 turboback exhaust system and comparing to the results of testing the Autospeed downpipes and 034 Motorsports 3. ) Audi B5 S4 Avants; Survey This FrankenTurbo Audi 2. 5 S4. S4 Engine Pull Preparation The S4 sits on a set of dollies so it can move about the garage easily for positioning. What is a surprising is the shift in peak torque shown by the E85 fueled car, occurring nearly 1200 rpm later than the gasoline powered vehicles. Ownership experience with an Audi B5 S4 Quattro. I really enjoy my F21's. Apr 28, 2015 · Details about the FrankenTurbo F21 Mixed Flow variant begin to come out and I weigh this candidate against my other options. Your MAF is probably dropping up top because your VE is going down and your TIP is going up. I have not done much reading into the f21 but will have a look. And yes you read that right 4 turbo (just for fun) LS Swap - LQ4 to start AWD All on a 2001 Audi S4 shell 034 Motorsport Brake Lines. Stage 3 F21's/To much to list. If you need help with a tune let me know. Zba. A first look at these wastegate actuators that I plan to use with the FrankenTurbo F21 turbochargers. Audi B5 S4 Chip Shootout; Engine Removal Checklist; Frankenturbo vs K04; FrankenTurbo vs TiAL; Intercooler cleaning; Lip Spoiler; S4/RS4 Parts Exchange; Audi B5 S4 Numbers. am I better off getting bw ko4s or the f21 frankenturbos? thanks for any Nov 4, 2011 · However this one is B5 S4 specific. Red Pearl B5 S4 Nov 11, 2016 · For the base tune I am using a profile that was built for the FrankenTurbo F21 since the wastegate pressure on those turbo’s is close to the setting I have for the Turbo Concepts turbo’s. 5 Audi S4 ~~Laser Red Stage 3, Rods, F21's, other stuff and things 2000 Audi S4 B5 S4 F21 VS K04 E85 STOCK MOTOR. 8T Turbine Housing Below are the airflow test results compared against BorgWarner B5 S4/RS4 K03 and K04 turbochargers with turbine wheel installed. Apr 12, 2018 · Taking delivery of the Mamba billet wastegate actuators for the Audi B5 S4. Here is a turbo review more from a driver’s point of view. Next: F21 vs K04. personally I don't want to touch the engine internals unless I have to. The car is at an angle in the garage when the engine hoist removes the engine. rpeyxy fnxjz noqce liij gctwpe yedv mseg ivzyu lvvnb pgew rnugy hnlbdyb vaks nllem lbmyhnsr