Available OptionsPit Covers for in-ground installationsAir/Fuel Ratio Monitor4 Post LiftThermocouple AmpAbove Ground Platform KitOptical RPM PickupSTANDARD FEATURES AND EQUIPMENT• Measures up to 1,500hp+ and 200mph• Eddy Current Load Absorption Unit, Torque Cell, and dynamic load controlsoftware. Perform loaded tests, including step, sweep, and closed loop• WinPep 7 Software and Hardware to interface (PC, printer, etc. not included)• Automatic Conditions Measurement (absolute pressure, air temp, humidity)• Ignition wire inductive tachometer pickup leads• Auto Tie Down Package (straps, ratchets and ground hooks)• Wheel Chocks• Air Actuated Brake System• Remote Software and Brake Control Pendant• Installation and operation manuals• One year replacement parts warrantyThe 224-AWD attachment can be added to an existing Dynojet Dynamometer modelto make it all-wheel-drive capable. Horsepower and Torque measurements can bedone on front and rear wheels separately or front and rear wheels combined.Available in an above ground or pit configuration.224x AWD AttachmentDYNOJET DATALINK MODULEProvides real time data from the OBDII port on all 1996 and newer vehicles. This datais available to be viewed live in the dynamometer software, WinPEP 7, and is alsorecorded into the dyno run. Review OBDII data, such as spark advance, throttleposition, engine coolant temperatures, inlet air temperature, calculated load, andnumerous other parameters right along side your dyno results.64 CHANNEL ANALOG MODULEThis feature allows 4 additional 0-5v based sensors to be logged during dyno runs.Now you can display data such as boost and fuel pressure, along side the HP/TRQchannels. WinPEP 7 has a built-in sensor calibration routine that makes the set upsimple. You can choose from various supported sensors, or input the data from any 0-5v sensor on the market.
The Model 424x is comprised of a pair of state of the art 224x’s, capableof measuring 1500+ all wheel horsepower each. Horsepower and torquemeasurements can be done on front and rear wheels separately or frontand rear wheels combined. This makes tuning or troubleshooting any partof the drivetrain, front or rear, a snap.Dynojet was the first todevelop an AWD inertia stylechassis dyno, and the 424x hasevolved into the premier solutionfor serious tuning shops.AWD GraphShowing Frontand RearWheel HorsePower / TorqueThe Model 424x dyno can accommodate up to a140” wheelbase with just the touch of a button.Whether you are troubleshooting a 4-wheel drivepickup or tuning an all wheel drive vehicle,this is a system you should seriouslyconsider.All Dynojet chassis dynamometers are multidirectional.Both front and rear wheel drivevehicles can be tested in either direction.Model 424x SpecificationsMaximum Horsepower 1500+ HpMaximum Speed200 MPHDrums 2Wheelbase Minimum88 InchesWheelbase Maximum` 140 InchesDrum Diameter24 InchesDrum Width81 InchesMinimum Axle WidthN/AMaximum Axle Width 81 InchesMaximum Axle Weight 3000 lbsAvailable in an above ground or pit configuration9
The 424xLC 2 utilizes a pair of 224xLC's along with an ingenious wheelbaseadjustment system, the 424xLC 2 can handle all the popular AWD vehicles onthe road today. Along with offering the precise control from the eddy currentload absorption units, the system also eliminates any potential speed biasbetween the two drums. This virtue is critical on some of the latest computercontrolled AWD systems.As with the 224xLC, load tests can be performed including step, sweep and loaded rollon. Closed loop load testing is also available by targeting engine RPM, speed orpercentage of load. A simple click of the mouse or keyboard can turn the 424xLC 2 backinto an inertia only dynamometer or into a dual eddy current unit. The torque cellcalibration routine takes less than a minute toperform. Each eddy current unit attaches to theroller directly by way of a splined shaft, eliminatingissues such as belt slippage or failure whilemaintaining superior repeatability.Monitor “real time torque” on each drumfor maximum gains while tuning.Adjustable wheelbase from 88” to 140”10Available in an above ground or pit configurationModel 424xLC 2 SpecificationsMaximum Horsepower 1500+ HpMaximum Speed200 MPH(322Kph)Drums 2Wheelbase Minimum 88 InchesWheelbase Maximum` 140 InchesDrum Diameter24 InchesDrum Width81 InchesMinimum Axle WidthN/AMaximum Axle Width 81 InchesMaximum Axle Weight 3000 lbs
STANDARD FEATURES AND EQUIPMENT• Measures up to 1,500hp+ and 200mph• Tests vehicles in either two-wheel or all-wheel drive modes• Two Eddy Current Load Absorption Units, Torque Cell, and dynamic loadcontrol software. Perform loaded tests, including step, sweep, and closed loop• Above-Ground or Pit installation accessories included• Consists of two Model 224xlc chassis dynamometers• WinPep 7 Software and Hardware to interface (PC, printer, etc. not included)• Automatic Conditions Measurement (absolute pressure, air temp, humidity)• Ignition wire inductive tachometer pickup leads• Auto Tie Down Package (straps, ratchets and ground hooks)• Wheel Chocks• Air Actuated Brake System• Remote Software and Brake Control Pendant• Installation and operation manuals• One year replacement parts warrantyWIDE BAND AIR FUEL RATIOEvery dyno run can show the horsepower and torque, and the exact air/fuel ratio. Thissystem is one of the most insightful tuning tools available today! You can easily identifylean or rich trends from idle to redline. Whether tuning a naturally aspirated "all motor"car, or a forced induction screamer, you will know the tune is right. Any Shop involvedwith EFI mapping shouldn't be without this Dynojet Wide Band Air/Fuel Ratio System.4 CHANNEL ANALOG MODULEThis feature allows 4 additional 0-5v based sensors to be logged during dyno runs.Now you can display data such as boost and fuel pressure, along side the HP/TRQchannels. WinPEP 7 has a built-in sensor calibration routine that makes the set upsimple. You can choose from various supported sensors, or input the data from any0-5v sensor on the market.DYNOJET DATALINK MODULEProvides real time data from the OBDII port on all 1996 and newer vehicles. This datais available to be viewed live in the dynamometer software, WinPEP 7, and is alsorecorded into the dyno run. Review OBDII data, such as spark advance, throttleposition, engine coolant temperatures, inlet air temperature, calculated load, andnumerous other parameters right along side your dyno results.4 Post LiftAir/Fuel Ratio MonitorAnalog ModuleThermocouple AmpData-Link Module for OBDIIOptical RPM PickupAvailable Options11
Through the use of state-of-the-artcomputer technology, the Model 248xDynamometer allows you to quicklyand accurately diagnose performanceproblems. By simulating the best"seat-of-the-pants" road testing right inthe shop, problems are easilydiagnosed in a fraction of the time.Shop sales, service work, andcredibility all benefit with a DynojetChassis Dynamometer.MODEL 248X STANDARD FEATURES AND EQUIPMENT• Measures up to 2,000hp+ and 200mph• WinPep 7 Software and Hardware to interface (PC, printer, etc. not included)• Automatic Conditions Measurement (absolute pressure, air temp, humidity)• Ignition wire inductive tachometer pickup leads• Auto Tie Down Package (straps, ratchets and ground hooks)• Wheel Chocks• Air Actuated Brake System• Remote Software and Brake Control Pendant• Installation and operation manuals• One year replacement parts warrantyThe Model 248x is rated to 2,000+ rear wheel horsepower. Maximize yourshop's potential with increased sales, service efficiency and shop credibility.Its durable, no maintenance construction ensures that you will be investingin many years of flawless tuning and troubleshooting.The Dynamometer that started it all, Dynojet'sModel 248x chassis dynamometer is anupdated version of the 248c that can be foundalmost everywhere.Model 248 SpecificationsMaximum Horsepower 2000+HpMaximum Speed200 MPHMaximum Axle Weight 3000 lbsDrum Diameter48 InchesDrum Width (each)26 InchesMinimum Track30 InchesMaximum Track81 Inches12
The most versatile option, the 224x-AWD attachment can be added to anexisting Dynojet dynamometer model to make it all-wheel-drive capable.Horsepower and torque measurements can be done on front and rearwheels separately or front and rear wheels combined. This attachment canaccommodate wheelbases from 88” to 140” with just the touch of a button.224xAWDALL WHEEL DRIVE ATTACHMENTModel 224x Front and Model 248x RearThis application is recommended for all-wheel drive vehicles not exceeding 1500hp +or 200mph. Also recommended for front and rear wheel drive vehicles not exceeding1800hp + and 200mph on the Model 248x.*The all-wheel drive dynamometer upgrade for the 248x is available for in groundinstallation only.EDDY CURRENT BRAKE SYSTEMWhen performing loaded testing, the Eddy Current Load Absorption Unit option utilizesan integrated Torque Cell to quantify power absorption in an ultra precise andconsistent manner. Loaded test files are then available for review and analysis in theWinPEP 7 software.Adjustable wheelbase from 88” to 140”The 224x AWD Attachment is available in anabove ground or pit configuration whenupgrading from a 224x or 224xLC models.Shown with optional above ground kit13
Dynamometer EX+ HardwareDynoware EX+ dynamometer hardware uses the latest highspeed technology to link your computer to the dyno. Every dyno systemcomes standard with 4 modules (listed below), and the Dynoware EX+ iseasily upgraded to accommodate your needs. The modular design allowsyou to expand your testing capabilities as new modules are released.Atmospheric Sensing Module:The Atmospheric Sensing Module measures absolute pressure, airtemperature, and relative humidity. These measurements are used by theWinPEP dynamometer software to correct power and torque measurements tostandard atmospheric conditions according to an SAE, Standard, DIN, JIS, orEEC formula.RPM Module:The RPM Module receives and processes signals from up to 2 inductivepickups for measurement of engine RPM. Each input has an automatic gaincircuit to compensate for a wide variance of ignition systems.Dynamometer I/O Module:The Dynamometer Input/Output Module sends and receives data from thedynamometer and the handheld pendant. The module also contains a buzzerand light which are activated when either the tire or dynamometer speed limitis approached.CPU Module:The CPU Module contains a 32-bit processor which acquires data from theexpansion modules and communicates the data to the computer running theWinPEP software. The processor queries the expansion modules to determinewhich modules are connected. The CPU Module fastens to an attractivestand for placement on the computer or work bench. Each additional modulethen plugs conveniently into the one below it, providing expansion forfuture modules.14Dynojet recommends obtaining a computer systemwith the following minimum specifications:* Processor; Pentium 800 MHz (minimum)* Hard Drive; 1.2 Gigabyte* 30 Megabytes of free hard disk space is required to install WinPEP* RAM; 256 Megabyte* Monitor; 800 x 600, (SVGA), 256 color* CD-ROM, RS232 serial port and 2 USB ports* Software; Microsoft Windows XP* Printer; (Must be color)
WIDE BAND AIR/FUEL RATIO SYSTEMTuning with a Dynojet dynamometer has never beeneasier! With the addition of our Wide Band Air/Fuel RatioSystem, every dyno run can show you horsepower and torque,and the exact air/fuel ratio. This system is one of the most insightfultuning tools available today! You can easily identify lean or rich trendsfrom idle to redline. Whether tuning a naturally aspirated “all motor”car, or a forced induction screamer, you will know the tune is right. Anyshop involved with EFI mapping shouldn’t be without the Dynojet WideBand Air/Fuel Ratio System.4 CHANNEL ANALOG MODULEThe analog module allows (4) additional 0-5v based sensorsto be logged during dyno runs. This allows you to display datasuch as boost and fuel pressure, along side the HP / TRQ channels.WinPEP 7 has a built in sensor calibration routine that makes the set upsimple. You can choose from various supported sensors, or input the datafrom any 0-5v sensor on the market. The module simply mounts to the top ofthe Dynoware EX+ System and also includes a 5v reference output.Manifold Pressure (boost) and Fuel Pressure sensors sold separately.EDDY CURRENT LOADABSORPTION UNITWhen performing loaded testing, theEddy Current Load Absorption Unitoption utilizes an integrated Torque Cellto quantify power absorption in an ultra preciseand consistent manner. Loaded test files are then availablefor review and analysis in the WinPEP 7 software. During a steadystate test the dynamometer operator can view torque in “real time”,a great feature when performing live ECM tuning. Additionalhighlights of this system include a quick and effective calibrationroutine that can be accomplished in under a minute.15
DATALINK MODULEFOR OBDII APPLICATIONSThis new device, (DJ-DLM) provides real time data fromthe OBDII port on all 1996 and newer vehicles. This data isavailable to be viewed live in the dynamometer software,WinPEP 7, and is also recorded into the dyno run. Imaginebeing able to review OBDII data, such as spark advance,throttle position, engine coolant temperatures, inlet airtemperature, calculated load, and numerous other parametersright along side your dyno results.PC Connectivity OptionsRJ45 Ethernet for distances < 300ft802.11 WiFi for wireless vehicle communicationsIn order to see the full spectrum when it comes to tuning a vehicle, your results are only as good as your data. The data from a Dynojet dyno is the baseline againstwhich all other results must be measured. Powertrain management systems in modern vehicles are very complex and can make it difficult to attain repeatable results.Luckily, thanks to another industry first innovation, Dynojet has a solution to give you confidence in your test results. The Dynojet Datalink Module (DJ-DLM) for OBDIIapplications will allow you to monitor and record critical channels from a test vehicle at speeds up to 200 times per second. This isn’t just a typical OBDII datalogger,but rather a device that covers all 1996+ vehicles and protocols with unparalleled speed.SELECT OBDII CHANNELSLIVE OBDII DATAVehicle CommunicationsGeneric OBD2Communicates over the following OBD2 protocols: J1850PWM,J1850VPW, ISO9141, KWP2000, ISO15765Supports all 1996-newer OBD2 compliant vehiclesRead/clear check engine lightEnhanced parametersFord High-Speed SCP CommunicationsGM Fast Data rateChrysler SCI SupportSecond CAN channelSupport for Mixed Mode CANSupport for Can 2.0b (ISO11898)Supports enhanced communications with many import vehicles16
Available kits:0-500 degree F range0-2000 degree F range*Requires Analog ModuleTHERMOCOUPLE AMPEnhancing the capabilities of the Analog module, the new Dynojet ThermocoupleAmp Module is able to convert any Type K Thermocouple into a 0-5v based analogsignal. The kit comes with the module, as well as a plug-n-play harness that connectsto the Analog Module. There are two different kits available, one that has a range of 0-500 degree F and then a 0-2000 degree F version. Set up is quick and easy, and asalways, this device is fully supported in our innovative dynamometer control software,WinPEP 7.EZ RPM MODULEThe EZ RPM Module makes acquiring a tachometer signal a breeze. Dynojet dynosalready use an unparalleled RPM (revolutions per minute) acquisition technology, butthis technology will allow a quick, non-intrusive means to acquire a tachometer signal.Some modern vehicles make it very difficult for dynamometer operators to get atachometer signal because physical barriers in the engine bay, or poor accessibility tothe coils. Simply plug in the Dynojet EZ RPM Module into the cigarette lighter, or attachthe leads to the battery, and select the number of cylinders for the vehicle. Thisinnovative feature is a great value and further solidifies Dynojet as the leader in chassisdynamometer technology.OPTICAL RPM PICKUPIt is used when the standard method of RPM pickup is not available such as with dieselmotors. It can compensate for a wide variance of ignition systems. The feature enablesthe shop to correlate the instantaneous dynamic motion of the driveshafts at variouspoints on a powertrain and obtain the diagnostic data during live tuning.PIT COVERS /ABOVE GROUND KITInstalled Pit CoversPit Covers shield open areas of pits, exposing the rollers only. Thisoption is a standard feature for Model 424x and Model 424xLC 2 andavailable for all other Dynojet Dynamometer Models to upgrade.The Above Ground Kit when use in conjunction with a four-post lift, allowsyou to make changes to exhaust, gears, driveshafts and other drivetrainmodifications right on the dyno during test sessions.Installed Above Ground Kit
4 POST LIFTDynojet acts as a liaison to provide you withthe proper 4 post application. Any technicalquestions should be directed to Rotary at(800) 532-6973. CUSTOM TUNING PACKAGESSave time and money! Popular tuning packages and software suites are now available directly from Dynojet.Shops that are interested in the ability to scan and flash late model Ford and GM vehicles can purchase tuningsolutions from Diablosport, Superchips Custom Tuning, and EFI Live. When combined with the purchase of aDynojet dynamometer, shops will be equipped with the necessary tools to maximize revenue potential. In additionto offering various tuning solutions, WinPEP 7 (dynamometer control software) can actually communicate with1996 and newer OBDII vehicles. Dyno operators can display, review, and graph OBD parameters along sidehorsepower and torque curves. This feature ensures that tuners and dyno operators are armed with the knowledgenecessary to create safe, yet powerful tunes.Features & Options224xLC 248x 224x 424x-AWD 424xLC 2 224x-AWDATTACHMENT18WinPEP Software STD STD STD STD STD STDEddy Current Load Control STD N/A OPT OPT STD OPTDynoware EX+ STD STD STD STD STD N/APrimary RPM Lead STD STD STD STD STD STDSecondary RPM Leads STD STD STD STD STD STDAnchors STD STD STD STD STD STDTie Downs STD STD STD STD STD STDRubber Chocks STD STD STD STD STD STDAir Brakes STD STD STD STD STD STDRemote dyno control STD STD STD STD STD STDOperators Manual STD STD STD STD STD STDInstallation Manual STD STD STD STD STD STDPit Covers OPT OPT OPT STD STD STD224-AWD Attachment OPT OPT pit only OPT STD STD STDAbove Ground Kit OPT OPT OPT STD STD OPT4-Post Lift OPT OPT OPT OPT OPT OPTOptical RPM Sensor OPT OPT OPT OPT OPT OPTWide Band Air/Fuel OPT OPT OPT OPT OPT OPTThermocouple Amp OPT OPT OPT OPT OPT OPTDJ-Data Link Module OPT OPT OPT OPT OPT OPTEZ-RPM Box OPT OPT OPT OPT OPT OPTAnalog Module OPT OPT OPT OPT OPT OPT
Use the“Export Graph”function to generatean image file in BMP, JPG,EMF or WMF file formats.This makes it possible forothers to view run datawithout the need forspecial software.Detailed informationabout each run canbe viewed with asimple “double-click”of a run file. Time,date, barometricpressure, humidity,etc. are all displayed.In dual graph mode thegraph screen is splithorizontally. The split canbe scaled to your liking.In this example Air/Fuelis scaled to 1/3rd ofthe screen under a powergraph.You can use the “Export Data”function to either generate adetailed text file or a file that canbe imported into programs likeExcel. You can then use Excel(or similar programs) to createyour own graphs or charts.Printing options allow theuser to add customgraphics such as yourshop logo, which will beprinted on the graphsgiven to your customers.20This is an example of text-based data export.
EFFORTLESS, PRECISE LOAD CONTROL SOFTWARE INTERFACEThe make run configuration/run option screenallows you to select which type of load test youwould like to perform. These settings show preparationfor a step test, customized to suit your individual needs.Clicking on theseareas allows you tochoose the displayThen choose fromthe pop-up list.WinPEP7 supportsup to a three graphsplit. Clicking theAxis tabs willdisplay a pop-up listof choices. You canselect the view typefrom this list.This is an example of the“load control” and “load testing”systems make run screen. Using theoptional Torque Module, “real-time”torque can be displayed.This graph is an example of a “step” test. This test allows youto define specific RPM points. During this test, each of thesepoints are held and torque and horsepower readings aretaken. These points are depicted by the square boxes shownin the graph.The “analog input” screen allows you to displaydata such as boost, fuel pressure, and intake airtemperature right along side your HP / TRQ.Optional Analog Input module required21
RPMUsing our Winpep software has justbecome easier! Engine RPM signals recordedby our inductive RPM cables can occasionally bevery unsteady and difficult to graph correctly, especiallywith aftermarket ignition systems. This is due to excessiveRF interference noise.Dynojet now offers a solution for this!Introducing the RPM Filter:TimeWithout filterNotice the missing sectionsof the graph caused by apoor RPM signal.Consistency...Notice the results when comparing results from an inertia dynorun with a loaded sweep test. The time to perform that test isdramatically different, but when viewed versus RPM, the resultsare the same in this case. If the vehicle maintains a level ofconsistency, you can count on the Dynojet load control systemto yield consistent, repeatable results (notice the spark and AFRwere identical on the loaded vs. inertia only run).With filterAs you can see by, enablingthe RPM Filter in Winpep 7fills these missing sectionsto provide a clear and easyto interpret graph! The filteris restricted to only fill smallsections of unusableengine RPM.Winpep 7 is available to all Dynojet Dynamometer owners. Current Winpep 7 userscan download the update from our website, www.dynojet.com anddynamometer owners using Winpep 6 can also upgrade bypurchasing Winpep7. Please contact your DynojetDynamometer Sales Representative for details.22
Online Parts OrderingYou can also visit the DynojetWeb site to order a variety ofreplacement parts: axle straps,car tie-downs, filters, wateraspirators, RPM inductives, O2sensors and more. Follow thelinks or type in:www.dynojet.com/replacement_parts.phpTrainingIntensive onsite training is available.Call or Email for details.Winpep.comA user support web site is accessible by selecting“WinPEP Direct” under the “Help” menu in WinPEP 7. Gainaccess to user guides and user support forums within theWinPEP software.Technical SupportTo provide our customers with industry leading support, 24 hours a day, 7 days a week,we have created www.winpep.com, a website that is available only to registeredDynojet Dynamometer owners. Once registered, you can download available SoftwareUpdates, read through FAQ's & Tech Tips, find RPM pickup locations and much more.The best thing about www.winpep.com is that our dynamometer owners contribute tothe website. This guarantees that the information gained from the site applies to the"real world". Don't see what you're looking for? Email us and we'll get it for you and putit up on the site.Email:CONTACT INFOUS email@example.comInternational firstname.lastname@example.orgPhone: Toll Free 800-992-3525Web ListingThe Dynojet Web site has a listing of all dyno owners aroundthe world. Find the closest shop at:www.dynojet.com/dyno_centers/automotive/index.phpLocal 702-399-1423Fax: US 702-399-6385International 702-399-136123
424xLC 2 SPECIFICATIONSMaximum Horsepower1500+ hpMaximum Speed200 MPH (322Kph)Drums 2Wheelbase Minimum88 InchesWheelbase Maximum140 InchesDIMENSIONS:Drum Diameter24 InchesDrum Width81 InchesMinimum Axle WidthN/AMaximum Axle Width81 InchesMaximum Axle Weight3000 lbsSHIPPING INFO:Crated Weight Dyno (2)4200 lbsCrated Weight Eddy Load Absorption Unit (2) 1500 lbsGENERAL:Calibrationnone, factory calibratedPower Requirements240vAir Requirements100 psi minimumOperating Temp Range 32°F to 158°HARDWARE(dyno control electronics):Timing Accuracy+/-1 microsecondDrum Speed Accuracy+/-1/100th MPHRPM Accuracy+/-1/10th RPMSTANDARD FEATURES:Chassis Dyno (2)Dual Eddy Load Absorption UnitsSecondary RPM LeadsTie DownsAir BrakesOperators ManualAbove Ground KitOPTIONS:4-Post LiftOptical RPM SensorAir Fuel Ratio MeterWinPEP SoftwarePrimary RPM LeadAnchorsRubber ChocksRemote dyno controlInstallation ManualPit CoversDJ Data link ModuleAnalog Module224xLC SPECIFICATIONSMaximum Horsepower1500+ hpMaximum Speed200 MPH (322Kph)Drums 1Wheelbase MinimumN/AWheelbase MaximumN/ADIMENSIONS:Drum Diameter24 InchesDrum Width81 InchesMinimum Axle WidthN/AMaximum Axle Width81 InchesMaximum Axle Weight3000 lbsSHIPPING INFO:Crated Weight Dyno4200 lbsCrated Weight Eddy Load Absorption Unit 1500 lbsGENERAL:CalibrationN/APower Requirements240vAir Requirements100 psi minimumOperating Temp Range 32°F to 158°FHARDWARE (dyno control electronics):Timing Accuracy+/-1 microsecondDrum Speed Accuracy+/-1/100th MPHRPM Accuracy+/-1/10th RPMStandard FEATURES:Chassis DynoWinPEP SoftwareDynoware EX+Secondary RPM LeadsTie DownsRemote dyno controlOptions:Pit Covers4-Post LiftOptical RPM SensorAWD Attachment upgradeOptical RPM SensorEddy Load Absorption UnitInstallation ManualPrimary RPM LeadAnchorsRubber ChocksOperators ManualAbove Ground KitAir Fuel Ratio MeterAir Fuel Ratio MeterOBDII Data link ModuleAnalog Modulewww.dynojet.com2191 MENDENHALL DRIVE, NORTH LAS VEGAS, NV 89081DOMESTIC AND INTERNATIONAL DYNAMOMETER SALESPHONE 1-800 992-3525FAX 1-702-399-6385