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  • Tony@VargasTurboTech's Avatar
    07-01-2015, 04:57 PM
    Well MMP is hiding out on E90, and posted that he made a whopping 610WHP at 34 psi, no logs posted, not dyno graph posted. This is after testing, and tuning for over a month, with some of the best tuners on the platform lending a helping hand. Needless to to say, we at VTT are not surprised. His data is also very very suspect. He wants us to believe he has less than 1 psi pressure drop across the entire system (not possible), use cheap sensors, get bad data. So for $3799 you get 610WHHP at 34 psi at 12 degrees of timing, and the joy of rearranging your entire engine bay. Or $3998 for Stage 2+, and inlets for 681WHP at 27 psi, and 10 degrees of timing. Hmmmmm..:think: Back to drawing board ole buddy. Hate me for posting this if you want. But this proves just about every argument I tried to make about that set up, and most people called me a hater. I might be abrasive but I know N54 turbo upgrades. Have a good 4th people...:usaflag: Quote from E90: "So I went to the dyno Friday before I installed the new exhaust components and did some tuning with the JB4 on the dyno for about 1.5 hrs. Results were not as expected and basically made 610whp on high boost. for the boost I was pushing it was on the order of 100whp less than expected. I did not touch vanos but I recently got new vanos tables to try out from my buddy Wedge that seem to have a large effect on power so plan on going to the dyno to retest. It may need a design iteration though to change out the turbine wheel if I cant get more power out of the turbos. Its weird because the data shows just less than 2:1 BP at 30+ psi boost, also EGT was between 1100-1150F for all high HP runs WGDC is below 75 even pushing up to 34psi of boost at redline, compressor outlet temp is not super high (i.e. in an acceptable efficiency range), running 9-12deg timing 12.5 AFR. IAT was 100F using small meth nozzle for chemical cooling. compressor pressure ratios were also in check with very little pressure loss (<1psi) through all the boost piping, intercooler, and throttle. The turbos make boost to redline without a problem at all, its just not translating to power on the dyno/in the engine with my preliminary dyno runs. I think vanos has alot to do with it because at higher backpressures due to higher boost, if vanos is not tuned right to minimize valve overlap, you will get alot of power robbing exhaust reversion from the valve overlap period. should have more results soon with new vanos changes but dont know if that will ultimately get me to the 700whp+ mark I need to be (probably not) so like I said may require upgrading the turbine size but wont know until I try more tuning and also try a flash only tune as JB4 was getting some pretty bad oscillations in upper RPM boost control that were difficult to manage on the dyno through just PID gain and FF duty changes. Talked to wedge and we are working out on scheduling a dyno tuning session for the turbos for a flash only tune. I'm looking at adding a mass airflow sensor to my DAQ system to confirm air mass being pushed by the turbos and not just what boost they are making and air intake temp."
    282 replies | 6483 view(s)
  • Terry@BMS's Avatar
    07-06-2015, 01:20 AM
    Terry@BMS started a thread 5.86s 60-130 in N54
    Hey guys, Was able to get our MOTIV 750 135i out for a couple passes on the private track. Traction was rough, spinning the tires hard in 3rd gear even with boost capped at 25psi in 3rd, but managed to set a new N54 60-130 WR @ 5.865s. It could be so much faster with better traction. Maybe I'll try letting some more air out of the rear tires next week. Major mods include JB4, PI, 100% E85, MOTIV 750, LVL10 trans, drag radials, and lots of weight reduction.
    50 replies | 925 view(s)
  • lamboworld's Avatar
    07-03-2015, 04:31 PM
    I am trying to stay within the limits of the DCT, which i imagine can be done with tuning an reduced amount of E85. However, I would like to max what the DCT can handle. I already have TFT inlets to go with whatever turbo I decide to buy. I am really concerned with buying RB's because of all of the smoking RB threads that I have read. So, it seems that my choices are down to VTT Stage 2 or 2+ or Pure Stage 2 (whenever they decide to release). I don't dd my Z4, but I also don't want a setup that I can't dd. I also don't want to give up the quick spool that the stock turbos offer. I realize that I have more lag with hybrids but I still want a quick street car. I will also participate in 1/2 mile events but probably only once or twice a year and 1/4 mile events 3 to 4 times a year. I don't plan on running Meth but I will use fuel up to E50/93. With those goals in mind, what is my best solution? Just the facts and/or opinions. Thanks
    47 replies | 1201 view(s)
  • Rob@RBTurbo's Avatar
    Yesterday, 06:43 PM
    Just wanted to share that a new stock frame stock location inlet option is on the horizon as we have decided to build some new designs to our standards with the following attributes: 1) Larger diameter hosing utilized as far as possible throughout the inlet, and a gradual taper towards the end for the best fitment. 2) Recirculation adapters built in, CNC'd and anodized black for a factory finish 3) PCV heater element adapter built in, CNC'd and anodized black for a factory finish (see pic) 4) Ideal fitment for stock frame turbos as the inlet will taper to 1.75" (fitting all stock frames perfectly-aside for competitive 2+ turbos) 5) Lower price point in the $3xx range.:naughty: We anticipate these will be able to ship within a month as our samples will be sent out shortly. Thanks for your interest. Rob
    41 replies | 452 view(s)
  • drfrink24's Avatar
    07-06-2015, 09:45 AM
    I just replaced my t-stat and waterpump on a 335XI. As with literally everything you do on an XI, its a harder install because you have a subframe getting in the way. I read several DIYs, and as always, there was someone claiming they could replace the t-stat and water pump w/o dropping the subframe. No. F'ng. Way. Now, to be fair, perhaps this person has hands the size of an infant, and a matter transporter to beam the parts into and out of their locations, so maybe it's possible for them, but I have neither of those advantages. I've been in the VW world, Suby world and now BMW world, and they all share a common thread: People claim install times that are wildly optimistic or install methods that are downright impossible. Are these people just trolling?
    28 replies | 419 view(s)
  • Sticky's Avatar
    07-03-2015, 03:07 PM
    This picture says quite a lot. Namely that the oem BMW 335i N54 turbos are tiny. Fortunately there are two of them but when seeing the size of the turbo compared next to a GTX30R the N54 oem turbocharger looks like a little itty bitty baby turbocharger does it not? That is what makes the fact these OEM housings are hitting almost 700 wheel horsepower all that more impressive. It truly is remarkable when put in this type of context. It also shows just how good of a job the turbo vendors are doing on the platform.
    21 replies | 1199 view(s)
  • 5soko's Avatar
    07-06-2015, 08:55 AM
    Some really interesting races here... All mods listed in the video.. Skip to 4:00 mark to see the F10 M5 Jb4 vs the Evolve modded with long tube headers E60 M5
    25 replies | 308 view(s)
  • Livnpaintball2's Avatar
    07-02-2015, 09:50 AM
    Livnpaintball2 started a thread Bedplate question in N54
    I'm rebuilding my N54 and it has been some time since I started this. My question is there is a oil port that mates at the bed plate and block. I don't remember if there was sealant there or it was bare. There is no mention of this in TIS! Help please.
    24 replies | 399 view(s)
  • Sticky's Avatar
    07-03-2015, 02:47 PM
    This picture says quite a lot. Namely that the oem BMW 335i N54 turbos are tiny. Fortunately there are two of them but when seeing the size of the turbo compared next to a GTX30R the N54 oem turbocharger looks like a little itty bitty baby turbocharger does it not? That is what makes the fact these OEM housings are hitting almost 700 wheel horsepower all that more impressive. It truly is remarkable when put in this type of context. It also shows just how good of a job the turbo vendors are doing on the platform.
    21 replies | 324 view(s)
  • Sticky's Avatar
    Yesterday, 03:06 PM
    We are not yet starting the fantasy football league officially as that will take place at the end of next month. People are already asking about it though so we will start accepting people for open spots. Priority goes to last year's participants. The format will be the exact same except with three commissioners. If you wish to be a commissioner you can apply now and it will be determined based on league votes. Policy changes in the league will be based on commissioner votes. We did $100 last year and it kept everyone involved for the most part. I'm happy to do $100 again as I doubt most will go for more: Payout at $100 would be as follows: 1st place: $900 2nd place:$200 3rd place: $100 Payments through paypal. Address: admin@boostaddict.com This is last year's roster and people on it get priority for this year. There is currently one open spot: 1. @Sticky 2. @Njz 3. @135pats 4. @mantoine56 5. @mjmarovi 6. @chrisisnapping 7. @Legionofboom 8. @tphaeng 9. @Terry@BMS 10. @nafoo 11. @Group.america There will be a trophy this year as well that goes to the winner. I'm thinking about making my own trophy. Welding some old turbo on some wood. Something like that. Thoughts?
    20 replies | 72 view(s)
  • Sticky's Avatar
    07-06-2015, 05:55 PM
    Fluid MotorUnion does some outside the box thinking and quirky things although many of them are form over function. We would like to reference their BMW E9X M3 S65 V8 velocity stack system as support for this as an example. They may be onto something here though. The McLaren F1 uses gold foil in the engine bay as a heat reflector. It looks like Fluid MotorUnion is trying to take the same approach here to prevent heat soak and keep the M5 air boxes cooler by applying gold foil wrap to them. In theory this of course should work as gold is an excellent heat reflector. We would like to see some data in support of the function though rather than pictures of how cool it looks under the hood.
    12 replies | 569 view(s)
  • Sticky's Avatar
    07-06-2015, 05:30 PM
    Trying to interpret foreign dynos and converting their units to provide meaningful data is somewhat of a headache. For Americans, putting it on a good old Dynojet produces numbers that provide the greatest context. Still, what we can see here is that Porsche is providing exactly what they said they would and maybe a couple extra horses. The Maha dyno reads out at the crank but still has to somehow convert the output it measures to derive the crank figures as it is not an engine stand dyno but using the moving wheels to derive the graph. 391.6 PS is 386.24 horsepower at the crank. The GT4 is rated by Porsche at 385 horsepower. Pretty much right on the dot as it should be considering Porsche is artificially limiting the car to not step on the toes of its big brother 991 Carrera S with which it shares the same 3.8 liter flat-6 engine. Torque is at 304.72 lb-ft and Porsche rates the car at 309 lb-ft so it's basically a wash and this could be influenced by the fuel quality and air temperature. What we learn is that the GT4 is positioned specifically and deliberately to deliver less output than the Carrera S with the same motor which means you can expect nice tune only gains on the motor to bring it up to where it should be. We are looking forward to seeing what the Dynojet tells us.
    15 replies | 280 view(s)
  • Sticky's Avatar
    07-02-2015, 06:03 PM
    More and more flash tunes continue to come out for the S63TU engine platform which is used in the BMW F10 M5 and F13 M6. BrenTuning's approach is not just one of an ECU (engine control unit) tune but also addresses the DCT transmission with TCU (transmission control unit) adjustments. The TCU settings are modified to give full torque delivery and lock up on peak boost. BMW likely tunes the transmission the way they do from the factory to protect it for longevity as they do not exactly replace the clutch discs but say they are 'lifetime' units which is really just a cost cutting and warranty measure. That said, by modifying the torque delivery profile one can improve the performance even without increasing boost pressure by unleashing what is already there. Do not expect lifetime clutch life though. As far as the power and torque gains from the ECU tuning BrenTuning on 93 octane pump gas managed to gain on a Mustang Dyno an additional 31 horsepower and 106 lb-ft of torque at the wheels. This is tune only with the only difference from stock being a Magnaflow rear section which does not do much for power output. The gains are seen down low with a massive increase in torque that starts to taper toward redline explaining why the peak torque gain is so much larger than the peak horsepower gain. This is not a motor designed for big top end power but sees massive gains down low in torque. This tune should provide a massive kick in the pants you can feel. As far as pricing, BrenTuning is asking a very reasonable $995. For now it seems they are flashing only in house but mobile flash kits are supposed to come soon. Great stuff as usual from BrenTuning.
    7 replies | 1002 view(s)
  • Sticky's Avatar
    07-06-2015, 05:53 PM
    Fluid MotorUnion does some outside the box thinking and quirky things although many of them are form over function. We would like to reference their BMW E9X M3 S65 V8 velocity stack system as support for this as an example. They may be onto something here though. The McLaren F1 uses gold foil in the engine bay as a heat reflector. It looks like Fluid MotorUnion is trying to take the same approach here to prevent heat soak and keep the M5 air boxes cooler by applying gold foil wrap to them. In theory this of course should work as gold is an excellent heat reflector. We would like to see some data in support of the function though rather than pictures of how cool it looks under the hood.
    12 replies | 53 view(s)
  • thekid333's Avatar
    07-06-2015, 08:42 PM
    thekid333 started a thread VTT2+ in N54
    How much power can I expect from FBO, VTT2+, Inlets, E50?
    10 replies | 304 view(s)
  • Sticky's Avatar
    07-02-2015, 07:04 PM
    More great runs from our friends in Russia here. We have a Porsche 991 Turbo with the PP-Performance RS650 tuning package going up against a stock Lamborghini Aventador and a Weistec supercharged W204 generation C63 AMG Black Series. The PP-P tune for the 991 Turbo and S from what we understand is piggyback based. The 991 Turbo and S both have the same sized turbochargers. A PP-P tuned 991 Turbo S went as quick and fast 9.896 @ 137.78 when trying to oneup Simon Motorsport on the recently discredited Yas Marina drag strip. Well, these runs are not on the Yas Marina dragstrip but done by the Russians known for Moscow Unlimited. The first run has the PP-P tuned Turbo go up against the Lamborghini Aventador and the Porsche wins. No surprise here at all considering how a stock 991 Turbo S did against a stock Aventador. The 991 Turbo gets through the 1/4 mile quicker and faster with a 10.359 @ 132.085 compared to the Aventador 11.059 @ 129.525. It is also faster through the kilometer as the Turbo pulls 169.846 miles per hour to the Aventador's 169.206. The Aventador closes the gap as speeds rise. The second run has the Turbo go at it with a Weistec supercharged W204 C63 AMG Black Series said to be at 700 horsepower so we assume a 2.3 liter blower package. The Black Series is set up for the track and not kilometer drag racing so the owner wisely removes the rear wing which creates downforce at the expense of aerodynamic drag. The 991 Turbo wins covering the quarter mile in 10.650 @ 131.389 compared to the C63 AMG 11.644 @ 127.456. The kilometer numbers are 19.401 @ 169.976 for the 991 Turbo compared to 20.669 @ 166.434 for the supercharged C63 Black Series. It certainly is interesting that the PP-Performance tuned 991 Turbo numbers in the Russian air do not approach what PP-P shows in the hot desert air of Yas Marina in the UAE. You will have to explain that inconsistency yourself.
    11 replies | 474 view(s)
  • ericsmc83's Avatar
    07-05-2015, 09:50 PM
    While heading to a restaurant, the first thing I noticed is that the car suddenly lost response. Didn't have much time to think about it until I got a red "high engine temp" message. I immediately turned the engine off and coasted to the shoulder. I opened the hood and saw fluid splattered all over the passenger side of the engine cover and pooled around the coolant reservoir. After letting the car cool a bit I opened the reservoir and saw that it was still full. Any ideas? Car is an '08 E92 with ~45k miles.
    10 replies | 190 view(s)
  • Sticky's Avatar
    07-02-2015, 06:41 PM
    More great runs from our friends in Russia here. We have a Porsche 991 Turbo with the PP-Performance RS650 tuning package going up against a stock Lamborghini Aventador and a Weistec supercharged W204 generation C63 AMG Black Series. The PP-P tune for the 991 Turbo and S from what we understand is piggyback based. The 991 Turbo and S both have the same sized turbochargers. A PP-P tuned 991 Turbo S went as quick and fast 9.896 @ 137.78 when trying to oneup Simon Motorsport on the recently discredited Yas Marina drag strip. Well, these runs are not on the Yas Marina dragstrip but done by the Russians known for Moscow Unlimited. The first run has the PP-P tuned Turbo go up against the Lamborghini Aventador and the Porsche wins. No surprise here at all considering how a stock 991 Turbo S did against a stock Aventador. The 991 Turbo gets through the 1/4 mile quicker and faster with a 10.359 @ 132.085 compared to the Aventador 11.059 @ 129.525. It is also faster through the kilometer as the Turbo pulls 169.846 miles per hour to the Aventador's 169.206. The Aventador closes the gap as speeds rise. The second run has the Turbo go at it with a Weistec supercharged W204 C63 AMG Black Series said to be at 700 horsepower so we assume a 2.3 liter blower package. The Black Series is set up for the track and not kilometer drag racing so the owner wisely removes the rear wing which creates downforce at the expense of aerodynamic drag. The 991 Turbo wins covering the quarter mile in 10.650 @ 131.389 compared to the C63 AMG 11.644 @ 127.456. The kilometer numbers are 19.401 @ 169.976 for the 991 Turbo compared to 20.669 @ 166.434 for the supercharged C63 Black Series. It certainly is interesting that the PP-Performance tuned 991 Turbo numbers in the Russian air do not approach what PP-P shows in the hot desert air of Yas Marina in the UAE. You will have to explain that inconsistency yourself.
    11 replies | 95 view(s)
  • M_azing's Avatar
    07-03-2015, 04:07 PM
    I'm a new member of this forum and a new owner of my first M4. I really want to tune it but not sure which direction to go. Flash or JB4. Can someone help me net out the pro's and con's, risk and best option around warranty? Two sides I've heard that bolt on tuners are like a "hybrid" tune and not as effecient where a flash tune gets to the core of the cars system. However, seems flash tunes are too premature right now so they make me nervous. Thank you in advance for any advice on this.
    10 replies | 128 view(s)
  • The Convert's Avatar
    07-03-2015, 05:32 PM
    The Convert started a thread Buzzing from HPFP? in N54
    Just wondering if anyone else has a buzzing coming from their hpfp when the key is on, but the car is off. It's been a long time since my car has been started up. So, I don't recall if the sound is normal. car has Fuel-it stage 3 pump, Motive PI with the fuel lines and fpr, jb4 set to map0, no flash at this point, SS controller, and with key on but engine OFF the analog gauge on the supplied fpr shows no pressure. to those familiar with the PI setups, is this normal? I tried adjusted the screw to adjust the pressure, but the dial didn't move. Do I have to wait until the car is running to see pressure on the gauge? I'm kind of hitting a wall and am getting a little anxious to fire this turd up and start tuning. Any my help is greatly appreciated!
    11 replies | 171 view(s)
  • Icewall's Avatar
    07-03-2015, 04:32 PM
    heres me datalog: http://datazap.me/u/icewall/log-1435701154?log=0&data=4-20 as you can see my car sits right around 8psi and actual load also remains low. what can cause this? My car was running fine. fyi it is tuned by mhd/tunerpro I also went back to cobb and it does the exact same thing so it isnt tune related as it used to work perfect with my cobb setup. my car has rbturbos and inlets that were recently installed. car boosted just fine for a week after install.
    9 replies | 168 view(s)
  • C///M's Avatar
    07-06-2015, 11:26 PM
    http://www.ecstuning.com/TurnerAnnouncement/
    9 replies | 67 view(s)
  • Sticky's Avatar
    Yesterday, 12:40 AM
    The internet is clearly bored when this garbage is getting front page press on every automotive website. Autocar is generating hits the best way they know how which is by click baiting with speculation. It's based on comments from BMW M head Frank Van Meel so at least they didn't just make it all up. The Japanese once tried a horsepower cap. It didn't work. What it did was hold them back. We can guarantee if Mercedes and Audi are stomping BMW in output then BMW is going to lose their enthusiast core and M cars will no longer be viable. This is more true now than ever with M cars basically becoming dragsters. A 600 horsepower cap is just as meaningless as Van Meel's statement, “For now, 600bhp is the most you can get in an M car." BMW is already offering over 600 horsepower anyway if you go by the real output at the wheels. His statement seems to be saying 600 horsepower is the most you can get right now, as in today, which is true. If BMW only offers 600 horsepower for the next generation M5 that likely means closer to 600 at the wheels. The new BMW M3/M4 are rated at 425 horsepower which on paper is very close to the 414 the E9X M3 offered. The reality is that the new M3 and M4 are much more powerful than implied. This manual transmission being eliminated statement at least has some basis in reality but it's a topic that comes up every year. The F10 M5 was reported to ditch the manual and it didn't. The F80 M3 was supposed to ditch the manual and it didn't. Van Meel has a point that the DCT outsells the manual and Porsche of course learned this lesson and only offers the driver oriented GT3 in PDK for this reason. BMW M's head of engineering stated the M3 would always have a manual. The manual is definitely dying but do not write it off completely just yet. We would expect the next generation M5 to likely not have a manual but there is room for a manual transmission in the BMW lineup as long as enthusiasts continue to demand one. Let us all not forget how badly Autoblog messed this up. Van Meel understands this, "It’s difficult to say we’ll stick to the manual, but we still have a big fan community for manuals and we are not going to take away something the customer wants to have.” The main conclusion is that Autocar's article is garbage. BMW will offer more than 600 horsepower as they already do. The limit is not in the motor but in putting that power to the ground. Expect all wheel drive on the next generation M5 for this reason. Great click baiting by Autocar. Well done. Now if they could only put as much effort into real news and reporting. Source
    6 replies | 375 view(s)
  • Irishace's Avatar
    07-05-2015, 12:40 PM
    Irishace started a thread F32,F33,F36,F82,F83: My YMB F82 M4 Build in 4 Series and M4
    It's time for a new build, I will be starting with a bang and will progress at a moderate pace after I focus on initial performance objectives. Cosmetics will follow in phase two of my build, I plan on adding a number of CF parts including front lip, rear deck lid spoiler, side skirts and the like. I have a long history with BMWs and M3's in particular. I traded in my E92 M3 on this machine and previous to that I have owned an E36 M3 and an N54 135i which was heavily modified. 1st Update: Stock Pickup Specifications: 2015 F82 M4 Yas Marina Blue Extended Merino Black Leather DCT Carbon Fibre Interior Trim Premium Package BMW Connectivity Package Black Factory Rims Pictures:
    7 replies | 70 view(s)
  • Joca's Avatar
    Yesterday, 08:23 PM
    Joca started a thread Spark Plug maintenance in N54
    How often should I change my spark plugs? and should I change the boots every time I change my plugs?
    6 replies | 50 view(s)
  • Sticky's Avatar
    07-02-2015, 05:58 PM
    More and more flash tunes continue to come out for the S63TU engine platform which is used in the BMW F10 M5 and F13 M6. BrenTuning's approach is not just one of an ECU (engine control unit) tune but also addresses the DCT transmission with TCU (transmission control unit) adjustments. The TCU settings are modified to give full torque delivery and lock up on peak boost. BMW likely tunes the transmission the way they do from the factory to protect it for longevity as they do not exactly replace the clutch discs but say they are 'lifetime' units which is really just a cost cutting and warranty measure. That said, by modifying the torque delivery profile one can improve the performance even without increasing boost pressure by unleashing what is already there. Do not expect lifetime clutch life though. As far as the power and torque gains from the ECU tuning BrenTuning on 93 octane pump gas managed to gain on a Mustang Dyno an additional 31 horsepower and 106 lb-ft of torque at the wheels. This is tune only with the only difference from stock being a Magnaflow rear section which does not do much for power output. The gains are seen down low with a massive increase in torque that starts to taper toward redline explaining why the peak torque gain is so much larger than the peak horsepower gain. This is not a motor designed for big top end power but sees massive gains down low in torque. This tune should provide a massive kick in the pants you can feel. As far as pricing, BrenTuning is asking a very reasonable $995. For now it seems they are flashing only in house but mobile flash kits are supposed to come soon. Great stuff as usual from BrenTuning.
    7 replies | 45 view(s)
  • HansWurst's Avatar
    07-06-2015, 09:08 AM
    Hello Guys, for all of you wanting some extra HP and sound attached you will find all the Zusubs for PPK (European cars). With this Zusubs you can easily do like the ALPINA Flash using Winkfp on your own!!! After flashing there is an encoding error code. You just have to code the controller unit with an empty MAN using NCS Expert and the error is gone. Take a look at the list because every car has its own Zusub. Also take care of using the correct controlling unit (MVED17/MVED26). I hope i wont get banned for it :law-police:
    6 replies | 98 view(s)
  • Proflyer's Avatar
    07-01-2015, 01:58 PM
    All, The downloads section is down. Sticky said he's working on it, but I finally got my hands on a BT cable and want to do a BMS flash on my 335xi. I just want a nice pump gas flash, and I want to hopefully fix the cat codes we get from running catless DPs. I believe that's possible. I'd like to turn off the auto-clear on the JB4 so if anything ELSE pops up I can see it. Does anyone have a mirror link/drop box link with all of this that they're willing to share? Also, any directions would be very nice as well. I can't seem to find much. Thanks! -Proflyer
    5 replies | 174 view(s)
  • brendanrule's Avatar
    07-05-2015, 03:36 AM
    What clutch would be the general consensus? It is only used a few times a year for the events and for drags. I've had it for 3 years and done approximately 2000km on the street. I want to be able to launch it at the drags. I seen the PTF twin plate has had some issues so I'm thinking of getting a spec 2+ or a spec 3 or PTF twin plate if it does perform ok. What do you think is the most suitable clutch?
    5 replies | 160 view(s)
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