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  • Sticky's Avatar
    04-25-2017, 12:33 AM
    The BMW M3/M3 and Porsche 911 have quite a bit in common this generation. Why? Because both have twin turbocharged and direct injected 3.0 liter six-cylinder powerplants. You can also get either with a dual clutch or manual transmission with power sent to the rear wheels. Let's look over the specifications of the motors: 9A2 3.0 991.2 Carrera Horsepower: 370 Torque: 332 lb-ft Boost Pressure: 13.1 psi Bore x Stroke: 91mm x 76.4mm Redline: 7500 rpm Compression Ratio: 10.0:1 Intercooler: Air to Air Turbos: 49mm compressor/45mm turbine Piston Speed FPM: 3759.842 BMW S55 Horsepower: 425 Torque: 406 lb-ft Boost Pressure: 18.1 psi Bore x Stroke: 84.0mm x 89.6mm Redline: 7500 rpm Compression Ratio: 10.2:1 Intercooler: Water to Air Turbos: 51mm compressor/43mm turbine Piston Speed FPM: 4409.449 Obviously, we all know the S55 engine is highly underrated by BMW. Recently, when Porscheboost was doing some testing at VF-Engineering on their Mustang dyno the opportunity presented itself to overlay a stock S55 with the stock PorscheBoost project 991.2. Here is the result, both dual clutch examples stock on 91 octane pump fuel: What is interesting to note is that the spool on the 991.2 Carrera 9A2 is much better than the BMW S55. The Carrera is spooled by 2400 rpm and the S55 has more lag by roughly 1000 rpm. That is significant. You will notice once spooled the curves are fairly similar. The S55 does have more peak torque and horsepower but the difference is not as large as one would expect. The difference in torque is only 3 lb-ft at the wheels. A wash. Not bad for what on paper is supposed to be 74 lb-ft. The 911 is making more torque than Porsche is letting on by quite a bit. The difference in peak horsepower is 15 at the wheels. This is attributed to the S55 making power to 6850 rpm while the 9A2 is tailing off past 6400 rpm. Both torque curves are dropping hard but the S55 maintains a top end edge from 6400-6800 rpm. Revving either engine out to their 7500 rpm redline does not gain anything and short shifting is preferred for maximum performance. It is interesting that the 9A2 engine with less boost and slightly lower compression is so close. It is also interesting the spool is so much better but Porsche likely concentrated very hard on quick spool down low to appease naturally aspirated purists who would complain about lag. The engine comes on strongly and quickly. It is no wonder the 9A2 knocked out the S55 in its category at the 2016 International Engine of the Year Awards. In an ideal world we would be able to toss a Carrera S and a GTS onto this dyno to see how Porsche is really separating their 9A2 motors. We do have Dynojet numbers posted for the Carrera and S but the GTS is the variant we are all eagerly awaiting to see. This is the difference between the turbocharged 991.2 Carrera S 3.0 and the naturally aspirated 991.1 Carrera 3.4: BMW of course has the Competition Package version of the S55 and now the CS version in an even higher state of tune essentially doing what Porsche does in offering the same motor in different flavors. The main difference though is that Porsche changes the turbochargers and not just the software offering greater differentiation and tuning value in this respect. What is clear is that the turbo era is elevating power and torque to heights we have never seen and it will result in a far greater proliferation of tuning for Porsche and BMW models than ever before.
    24 replies | 859 view(s)
  • Sticky's Avatar
    04-26-2017, 11:10 PM
    BimmerBoost member @pits200 has an automatic BMW 335xi with the VTT GC N54 turbocharger upgrade. The car has 115k miles on it and has not exactly been babied as it has been tuned for over 100k miles at this point. This is important to point out as the GC upgrade is obviously making big torque but his trans is holding the power at 26 psi of boost. It is running well as the drag race video below will testify to. He knows the transmission is on borrowed time but so far with a TCU flash it's holding together and not slipping. You can read his build thread here if you like. ETS FMIC BMS Filters JB4 MHD Backend VTT GCs
    15 replies | 630 view(s)
  • Sticky's Avatar
    04-26-2017, 10:21 PM
    Careful, the quote you are about to read is drenched in estrogen. "The 840-hp Dodge Challenger SRT Demon from Fiat Chrysler is so inherently dangerous to the common safety of motorists that its registration as a road-worthy automobile should be banned." Somehow the hyperbole being spewn seems to be much more dangerous especially to common sense. If we really want to get down to what is safe for our roads more people will be killed or injured by senior drivers than those with a Demon. Frankly, no Demons are even on the road so how is the author coming to the conclusion that the car needs to be kept off public roads for safety reasons? Well, because the premature and negative conclusion fits the narrative. This is one of those same people that sees a gun and automatically classifies it as an assault rifle based on the appearance and not the application. You know what the world needs? More Dodge Demons. More manufacturers that take enthusiasts into account. More cars that are fun to drive and less vehicles that are tuning into appliances that remove the driver from the equation. What does this person think is going to happen? A Demon on the road is just going to suddenly start driving into people? Owners will be drag racing across crowded parking lots? A teenager in a Honda who just got out of seeing a Fast and the Furious movie is more dangerous on the road than an adult behind the wheel of a performance car they paid for and are familiar with. The Demon is no more dangerous sitting in traffic than any other car. A 5700+ pound sport utility vehicle crammed with luggage and passengers traveling over the speed limit on the highway that physics simply will not allow to stop in the same distance as a lighter car is a much more dangerous proposition than the Demon. Truckers who have not slept for who knows how long hauling tons of goods on the highway across the country are a much more dangerous proposition than the Demon. If anything, the Demon is safer than the standard Hellcat. It is built for traction off the line which means you can get into trouble a lot easier with tire spin on the standard Hellcat. The tires offer more grip, not less. How is the Demon a result of misguided corporate choices? It is built to be the quickest production vehicle in the 1/4 mile and achieves that goal. It does so on an NHRA dragstrip, not the street. Did someone forget those exist? A place where you can take your car and run as fast as you want to without endangering the public? The Demon is the result of incredible engineering, development, and effort. Dodge did not randomly roll some dice and end up with the Demon. What they accomplished for the money has never been achieved. This kind of fear mongering is an enemy to the entire automotive world: It is not banned for being too fast. The NHRA requires a roll cage for cars that are quicker and faster than set limits. If the Demon is 'too fast' so are a host of other street legal cars. All that is necessary to get them into compliance is a roll cage you hack. It is not the Demon that needs to be removed. It is this garbage from Automotive News. The author did not even have the courage to put their name on it. That tells you what the purpose of it actually is. Source
    7 replies | 1013 view(s)
  • Sticky's Avatar
    04-26-2017, 09:42 PM
    BimmerBoost is filled with people chasing horsepower. Some of them get sick of trying to push BMW's motors to lofty heights. Fortunately, that is where the Automotive Performance Network comes in to cater to all enthusiasts. @lamboworld previously had a 2008 FBO E82 135i and a 2009 FBO E89 Z4 35i. Now he has a C6 Z06 that makes 585 to the tires naturally aspirated and goes well over 700 wheel horsepower with nitrous: Here is the full mod list: Advanced Induction 280cc head porting with milling of.03 Replaced guided with CHE guides OEM Intake Valves and Replaced Exhaust Valves with Ferrea Hollow 2040P BTR 660" Platinum Dual Spring kit with TI Retainers Chromoly Pushrods ARP Head Bolts Straub Bushing Trunions Hinson C7R Chain Comp Cam: 226/246, .60x/.61x, @ .050", 114+2 LSA Mamo Ported MSD Intake NW 102 TB 160 Thermostat NGK TR7 Iridium Plugs Haltech 103 Intake Kooks Headers and Catted X Pipe B&B Fusion Gen 3 Exhaust Mild to Wild switch on dead pedal DRM Bilstein Shocks with bushings lowered on Stock Bolts Monster LT1-S Triple Disc Organic Clutch with Slave and Remote 36" bleeder. Motul RTF 600 Clutch Fluid Elite Engineering 1/4" Tunnel plate with Thermal ABS Nitrous Outlet MSD Plate Kit Nitrous Outlet Heater Katech Belt Tensioner with Belt Nitrous Outlet C6 Stand Alone Fuel tank with C16 Nitrous Outlet Purge Kit Nitrous Express Maximizer 4 Progressive Controller Custom Nitrous Switch for Arm, Heater and Purge Lingenfelter LNC 2000 Timing Retard Custom Billet Aluminum Nano and Nitrous Bottle brackets SB Painted Proform Valve covers Coils Relocated under Haltech heat shield with custom MSD plug wires Skip Shift Eliminator R888's for the Track Custom Crystal Grey Powder Coated Spyders for Track Machine Face Cup wheels with MPSS and Jake Center Caps Eagle LED Tail Lights Lingenfelter Clutch Stop GM 427 Hood Emblems Not a bad way to go, is it? Especially with the tuning value C6 Z06's offer today.
    15 replies | 254 view(s)
  • Sticky's Avatar
    04-25-2017, 08:33 PM
    The B58 engine is a stout mill that is going to be with us for quite a bit as it represents BMW's new modular engine design. As far as tuning is concerned, it responds well to bolt on modifications but there is a fuel cap in the ECU designed to keep owners from taking it too far. Well, good luck with that BMW. BigBoost Turbo is readying a port fuel injection system which should provide the B58 with all the fuel it needs to run their upgraded turbocharger. You can get an idea as to how much bigger their turbo is than the factory unit in the pictures provided. It is very early in the B58 tuning game so it is good to see turbo vendors tackling it.
    12 replies | 712 view(s)
  • Sticky's Avatar
    04-28-2017, 07:00 PM
    This is absolutely incredible. Not only because the numbers are strong but because there is no supplemental methanol injection involved or port fuel injection for that matter. This B58 motor is still on the factory fuel system. That makes the 534 wheel horsepower and 501 lb-ft of torque at the wheels all the more impressive: Big Boost Turbo hits these figures with their Stage 3 B58 turbo upgrade, BMS intake, a catless downpipe, and a JB4: BMS previously stated the B58 has a fueling cap around 400 whp so how they are comfortably exceeding that number is anyone's guess. The B58's tuning future sure is looking bright though.
    11 replies | 586 view(s)
  • Sticky's Avatar
    04-25-2017, 09:01 PM
    This drag race features some impressive hardware. Unfortunately, it is designed more for promotion than performance results but that's ok. Just getting these ten cars together and having them all race at once is very cool and obviously a great way to get views. Every car is tuned by German tuner Levella. The cars have their ECU tunes along with the Levella wheels. The cars look great but as you can see with the tires going up in smoke these wheel and tire setups are for looks and not performance. That means the all wheel drive cars are favored. The Nissan GTR takes it. It is followed by the Aventador, 991 Turbo S, Huracan, and Audi RS6. Yep, all wheel drive cars. There isn't any timing equipment employed but still fun to see so many tuned examples go at it.
    3 replies | 952 view(s)
  • Sticky's Avatar
    04-28-2017, 02:55 AM
    Here is a very well done rendering of the upcoming F90 M5. We are inching closer to the official reveal. What do we know? No dual clutch transmission but instead a ZF sourced automatic. Also standard all wheel drive with a 100% rear wheel drive mode which should making getting heat into the rear tires easy. What else? The S63TU 4.4 liter V8 will be tweaked somewhat which is honestly the best thing about the M5. BMW will offer the most displacement out of its German rivals. When was the last time BMW M could say that? Imagine stroking one to 5.0 liters. The truth is BMW is already getting 600+ horsepower out of the S63TU so it will be interesting to see how much more they push it. They will likely change out the turbochargers for bigger units. This car is going to be a dragster. That is fine. That seems to be what people want. All wheel drive solves the problem of F10 M5 owners whining they can't get traction from a stop. Who cares if the car will be nose heavy now? Who cares if the manual is dead? Who cares about 50/50 weight distribution? Also, will BMW actually be able to make it lighter? Doubtful. The F90 M5 will be the most radical departure yet from the traditional M5 formula yet the most conformist M5 at the same time.
    4 replies | 632 view(s)
  • Sticky's Avatar
    04-26-2017, 11:41 PM
    Ah, Dinan. The once lofty name of the BMW tuning world that now tries to peddle overpriced piggybacks. What is one to do with that Piggyback investment? Well, attempt to adapt it to as many manufacturer verhicles as possible. The 3.0 TFSI twin scroll turbo V6 in the B9 S4 /S5 is the perfect candidate. The problem? APR is the big player in the Audi/VW tuning world. APR isn't going to push overpriced and underwhelming piggybacks on people. They will offer a real flash tune. They will offer TCU tunes. They will offer turbo upgrades. Basically, they will do everything Dinan can't and everything enthusiasts who actually want to be fast will want. The Dinan difference? That would be paying more money only to get stomped by better tuners. Good luck Dinan, you are going to need it.
    6 replies | 276 view(s)
  • Sticky's Avatar
    04-27-2017, 10:32 PM
    A higher performance variant of a mid-engined V8 Ferrari is nothing new. Think of the 488 GTO as the new Speciale or Scuderia. The main difference of course being that the turbocharged motor allows Ferrari to easily squeeze out far more power than when the motor was naturally aspirated. How much more? The rumor is just over 700 horsepower. Only Ferrari knows if that number is accurate but considering the punch the McLaren 720S is packing Ferrari better bring all they can. Additionally, Porsche is expected to deliver 700 horsepower or so from the 991.2 GT2 RS. It looks like 700 horses will be the minimum to play with the big boys for the 2018 model year. Combined with more power one can expect less weight. The 488 GTB could use a diet from its 34XX pound curb weight although Ferrari makes it tough to know what the real world weight figure actually is. The bottom line is the 488 is about to take a big step forward in performance.
    8 replies | 126 view(s)
  • Sticky's Avatar
    04-24-2017, 11:30 PM
    The C7 Audi RS6 is not sold in the USA which we may never forgive Audi for. Not everyone needs or wants an SUV and a performance wagon makes a lot of sense. Ok, enough whining about Audi, how does the RS6 stack up to a Nissan GTR? The GTR is not light but in this company is the much lighter car by roughly 900 pounds. They are both all wheel drive but the GTR uses a dual clutch transmission compared to the more traditional automatic of the Audi. The RS6 obviously has the 4.0 liter turbocharged Audi V8 and the GTR has a slightly smaller VR38DETT V6. So which is quicker? The RS6. Unfortunately, no data is provided and it looks to be a rather short drag race. Did the GTR even do a full launch? The GTR should be favored based on test results and the weight advantage compared to the RS6. Without any supporting data, it just looks like this video was put together for clicks by providing a controversial result.
    6 replies | 274 view(s)
  • Sticky's Avatar
    04-24-2017, 10:06 PM
    Whoa. The Carrera S makes a very strong argument for saving money over the 911 Turbo and Turbo S models. Let's not forget, these are stock RWD Carrera S PDK numbers and one can always add the Porsche Power Kit in later. The GTS will be right on the 911 Turbo's heels based on these numbers. How does 0-60 in 3.1 seconds sound? From a rear wheel drive car with a stated 420 horsepower? How about an 11.4 second 1/4 mile sprint at 123 miles per hour? As a reminder, Car and Driver got 0-60 in 3.3 seconds and a 1/4 mile of 11.6 @ 118.3 out of the Tiptronic 997.1 Turbo. Yes, the new Carrera S is quicker and faster. It's lighter too at 3363 pounds. Think about this, the lighter Carrera S with nothing more than bolt on modifications should be right with a 911 Turbo from a roll or at least close enough to where the 911 Turbo buyer no longer wants to be stock. Expounding on that line of thinking this is likely a 10 second car with just a tune. The new 991.2 models are an incredible performance value. It really does not even matter which flavor you get the motor in. The Carrera, S, and GTS will all be able to be tuned to heights that were once only reserved for the 911 Turbo models. Feel free to compare the 991.2 Carrera S test results to Car and Driver's 991.2 Carrera test results. The S is obviously quicker and faster thanks to more boost at 16 psi compared to 13 psi and a 2mm larger compressor wheel but the 991.2 models are phenomenally quick and a huge leap forward. The only downside seems to be the price. $140k as tested is a lot of money. Those Porsche options add up quickly. PRICE AS TESTED:$139,945 (base price: $107,650) ENGINE TYPE:twin-turbocharged and intercooled DOHC 24-valve flat-6, aluminum block and heads, direct fuel injection Displacement:182 cu in, 2981 cc Power: 420 hp @ 6500 rpm Torque: 368 lb-ft @ 1700 rpm TRANSMISSION:7-speed dual-clutch automatic with manual shifting mode DIMENSIONS: Wheelbase: 96.5 in Length: 177.1 in Width: 71.2 in Height: 51.0 in Passenger volume: 70 cu ft Cargo volume: 5 cu ft Curb weight: 3363 lb C/D TEST RESULTS: Zero to 60 mph: 3.1 sec Zero to 100 mph: 7.5 sec Zero to 130 mph: 12.9 sec Zero to 150 mph: 18.5 sec Rolling start, 5-60 mph: 3.9 sec Top gear, 30-50 mph: 2.4 sec Top gear, 50-70 mph: 2.4 sec Standing ¼-mile: 11.4 sec @ 123 mph Top speed (drag limited, mfr's claim): 190 mph Braking, 70-0 mph: 142 ft Roadholding, 300-ft-dia skidpad: 1.04 g FUEL ECONOMY: EPA combined/city/highway driving: 24/22/28 mpg C/D observed: 19 mpg
    5 replies | 366 view(s)
  • Sticky's Avatar
    04-28-2017, 02:22 AM
    Naturally aspirated AMG V8 against the BMW's 3.0 liter twin turbo I6. Both motors benefit greatly from tuning as we all know. The W204 C63 AMG is heavier than the 335xi by roughly 500 pounds but 6.2 liters of displacement helps move it. It also has the P31 package which means stronger engine internals borrowed from the M159 and a more aggressive factory tune. The 335xi is a manual example with an MHD Stage 2 flash. Nothing is stated about any other bolt on modifications. They start with a dig race and how it should play out is the 335xi should get a lead with the M156 top end then coming into play. That is exactly how it goes. That means in the next race when they go from a roll the C63 should have the advantage once traction is removed from the equation. That it does, it pulls a couple cars. They do another dig race and the 335xi gets out in front only for the C63 to make up the ground and pass again up top. Solid runs all around.
    4 replies | 490 view(s)
  • Sticky's Avatar
    04-25-2017, 11:01 PM
    Want the lightest F-Type on the market? Well, you will want to get the base F-Type 2.0T with the new 2.0 liter turbocharged Ingenium engine. Curb weight is quoted at 3360 pounds but that is likely the European model. Regardless, it will be much lighter than the nearly 3900 pound F-Type R. It helps that the F-Type 2.0T is only available as a rear wheel drive model. The leaner F-Type will be appreciated as the output of the 2.0T is only 296 horsepower and 295 lb-fft of torque which is great for a 2.0T but far less than the other larger V6 and V8 motors available for the chassis. Unfortunately, there is no manual option. The only transmission choice is an 8-speed automatic. Expect pricing to be revealed later this year.
    5 replies | 136 view(s)
  • Sticky's Avatar
    04-27-2017, 11:12 PM
    There is still something to be said for the naturally aspirated performance motor. Yes, turbo engine have basically taken over but no matter how good they get they will not match the response of the naturally aspirated engine or that beautiful high rpm shriek as it pulls with ever increasing urgency to the lofty redline. The new 4.0 liter 991.2 GT3 is the best iteration yet. It makes 493 horsepower which is the same as the 991.2 GT3 RS 4.0 except it revs higher to 9000 rpm. This is the same redline as the 991.2 GT3 3.8 motor. It is simply a phenomenal powerplant. Porsche changed the crank, bearings, pistons, rings, added a new liner material, etc. They are pushing the design to the absolute limit. Porsche also fixed their major mistake which was not offering a manual transmission option. The GT3 is not about acceleration or just numbers. It is about the driving experience. If a car like a GT3 does not deserve a manual, what car does? The reviewers below fall in love with the car and how can you not? The sound, the handling, the response, the steering feel, etc., all combine to make the most glorious naturally aspirated 911 ever built. As an owner of a turbocharged 911 I absolutely love the car but I lust after the GT3. It does not matter how good these turbo engines get the torque down low does not make me forget what it is like to rev out a naturally aspirated performance motor to redline and the satisfaction of hitting that perfect upshift. The turbo engine does not offer that as power and torque drop off well before redline. It just does not feel as exciting. It also does not offer the same throttle response or sound. The GT3 just engrosses you in the experience all around. You are convinced you are in a race car for the road because that is basically what it is. There is room for both on the market. Porsche should be commended for not just scrapping the naturally aspirated engine completely but giving buyers the choice. That is what a company that makes enthusiast vehicles centered around the driving experience is supposed to do.
    3 replies | 237 view(s)
  • Sticky's Avatar
    04-25-2017, 08:01 PM
    Those lucky Germans and their autobahn. AutoTopNL got to take the new W213 E63 AMG S out and have some fun without speed limits. Suffice it to say, the new E63 AMG S is a fast car. It also hits 300 kph in eighth gear. The MCT transmission is a 9-speed. Compare the acceleration result here to's video. The car is just very quick and launches well in the race start mode. Getting up to 300 kph (186 miles per hour) does not take much time at all. The driver goes on to have a bunch of fun on the autobahn hitting 300+ a few more times. The F90 M5 is going to have its hands full with this beast.
    1 replies | 433 view(s)
  • Sticky's Avatar
    04-27-2017, 09:31 PM
    This is a very solid result considering it was run at one of the slowest tracks in the country. The Fontana dragstrip in California is at elevation and runs slightly uphill. Not to mention it has terrible prep and California's weather isn't doing anyone any favors. 10.208 @ 138.91 is very strong in that context and likely a 9-second run anywhere else especially in the winter. What are the modifications? GIAC OTS tune "9-second" file Champion intercoolers BBI 200 cell exhaust IPD Y-pipe and plenum Custom meth system by Emmanuele Design GMG LMS wheels R888 tires 34psi F 30 psi R The car is still on the factory fuel system and factory turbochargers. A very strong result for bolt ons but clearly the meth injection is making a huge difference here. The 997.2 Turbo has previously broken into the 9's with the GIAC tune on the factory turbos.
    2 replies | 258 view(s)
  • Sticky's Avatar
    04-24-2017, 09:02 PM
    This is an incredible FWD (front wheel drive) effort although FWD is clearly not the quickest way around the Nurburgring. Still, Honda pushed forward and improved tremendously on the record they set in 2015 which was a 7 minute and 50 second lap. Volkswagen topped that 7:50 time with a 7:47.19 Nurburgring laptime in their MKVII GTI Clubsport. Well, Honda now has the FWD title back. Here are the Civic Type R specs: The 2.0-liter i-VTEC® Turbocharged Engine is exclusive to the Civic Type R, kicking out 306 horsepower* and 295 lb.-ft. of torque* The Adaptive Damper System (ADS) controls the suspension action for heart-pumping handling and stability on the road or the track A Limited Slip Differential offers tighter cornering and better control for more confidence behind the wheel A Track-Tested Aero Kit features front and side splitters, a rear diffuser, vortex generators and a wing, all designed to keep the Civic Type R planted on the asphalt The Center-Exit Triple-Exhaust Tip System bellows a throaty growl that announces the arrival of the Civic Type R to the world 20-Inch Black Alloy Wheels keep the rubber on the road in style and frame the large, track-tested red brake calipers Impressive? For a FWD, definitely.
    3 replies | 135 view(s)
  • Sticky's Avatar
    04-25-2017, 10:11 PM
    The 6.2 liter twin screw supercharged Hellcat V8 is a monster. The 707 horsepower rating already tells you that but the car is underrated from the factory. BoostAddict has seen dynos ranging from 650-670 rear wheel horsepower but never almost 700 rear wheel horsepower stock. This is uncorrected but that just means that is exactly what the car put down without any mathematical correction. What in the world will the 840 horsepower Demon dyno? 800 to the wheels?
    2 replies | 165 view(s)
  • Sticky's Avatar
    04-28-2017, 03:21 AM
    This is good news and as PorscheBoost expected. Dodson has a PDK transmission upgrade for the all wheel drive Porsche 991.1 and 991.2 generation 911 Turbo models. The upgrade retails for $10k and requires a roughly two week turnaround time. PorscheBoost inquired if the Dodson 911 Turbo upgrade would carry over to 991.2 Carrera PDK models including those that are RWD drive: If you have a 4WD or RWD PDK 991.2 and are worried about running too much torque through the transmission with upgrades Dodson has you covered. The only thing holding 991.2 Carrera models back right now is the lack of engine upgrade options on the market. That will be changing shortly if PorscheBoost has anything to say about it. Details of the Upgrade: 10 Plate Build Changes the clutch from sealed clutch unit to serviceable clutch for this and future upgrades Quality Machined billet high grade hardened baskets High grade billet steel lid and splines with billet turned cover Quality Exedy Frictions Designed for up to 950nm torque Each clutch is custom hand built to exact tolerances International collect and return upgrade service
    0 replies | 185 view(s)
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