https://w4a33.com/ 2026-04-09T11:01:42+00:00 https://w4a33.com/ https://w4a33.com/lib/exe/fetch.php?media=wiki:logo.png text/html 2019-06-01T05:30:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=3gshifter&rev=1559367014&do=diff 3G Eclipse Tiptronic Shifter Items needed: * 2000-2005 Mitsubishi Eclipse Shifter and Shifter Cable. * aftermarket TCU * Toggle switch This shifter bolts right into the 2Gs. You need a aftermarket TCU for this to work right and a toggle switch. The toggle switch is to tell the aftermarket TCU if it needs to be aftermarket TCU. text/html 2019-06-01T05:30:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=advertising&rev=1559367015&do=diff Advertising Information If you are wanting to advertise on this site i would like to let you know that there are guidelines that must be followed. I feel that this is best way for this website to give back to those companies who support our platform. text/html 2019-08-27T00:48:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=autopartsid&rev=1566866887&do=diff Identifying Automatic Parts Pilot Bushing There are quite a few things between the engine and transmission that are important. One is the pilot bearing. This is a cheap part to replace if worn or missing. It goes into the center of the crankshaft under the Flexplate and the round part in the center of the converter goes into this hole and keeps the converter centered. text/html 2024-07-10T02:20:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=autoswap&rev=1720578030&do=diff How to swap from Manual to Automatic This page will not detail the removal of some portions. Under the Hood For this you will need to remove the axles, transmission, clutch, flywheel, transmission mount, front and rear engine mounts and brackets. The Dowel pin will need to be removed from the crankshaft as well. text/html 2020-08-18T19:02:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=converter&rev=1597777374&do=diff Converter UNDER CONSTRUCTION Stock 6 Bolt Converter Alot can be said about the stock torque converters. They will take a beating and are good at putting down alot of power because of how tight they are. However you run into issues with ballooning the converter and the lack of bolt holes for converter bolts. Bolts can be an issue with these. Also they arent easy to stall up at all without the use of nitrous. There are two converters out there. The difference internal is unknown currently (so … text/html 2019-06-01T05:30:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=converterdata&rev=1559367016&do=diff Converter Data FIXME Trans DISPL CR Turbo Turbine Hsng Intake Cams Converter Fluid Stall(no N2O) Stall(N2O) Trap RPM Tire Height Trap MPH Slip 2G2.0L8.5:1GT4202T4 1.3Magnus V3Kelford 288BradcoAmsoil24004500(100)950026167-.454% Converter Slip calc Conv Slip% = [((RPM * Tire Height) / (Rearend Ratio * Trans Ratio * MPH * 336)) -1] * 100 text/html 2021-01-04T02:11:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=downloads&rev=1609726296&do=diff Downloads MMC Manuals This is a manual for the F4A33 & W4A33 from MMC(Mitsubishi Motors Corporation). It gives you lots of detailed information but there is some information the ATSG has this doesnt have. This is a PDF containing 148 pages. 90-91 1G AT Factory Service Manual text/html 2020-06-05T20:35:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=driveshaftaxle&rev=1591389322&do=diff Driveshaft and Axles Front Axles Technically speaking for the front axles you can use manual ones. However you really should obtain the passenger side axle from an automatic. The automatic passenger side axle has a bump on it that makes it exponentially easier to get the axle out of the transmission. The manual ones are difficult to get out since there isnt anything to pry on. Thats what the bump in the passenger side axle is for. text/html 2020-05-17T18:27:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=intakemanifold&rev=1589740043&do=diff Intake Manifold Overview In order to proper select an intake manifold you should understand everything involved. With auto cars its all about finding the perfect cylinder head combination because you want top end power as well and some low end and mid range power for stall/spoolup on the line. So your trying to find a way to have your cake and eat it to. There are some different ways to go about that. The important thing to take away from this is it takes the right combination to attain this.… text/html 2022-03-17T19:27:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=kigglymod&rev=1647545269&do=diff Kiggly Blue Wire Mod DSM auto wiring for full manual control and full line pressure shifts. Gear selection is controlled entirely by lever position and the 4th gear switch is only active with the lever in 3rd gear position. This works great with a ratchet-action shift lever. text/html 2024-09-29T20:52:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=launch&rev=1727643139&do=diff Launch Strategies This is going to be a candidly made article on this topic. Brakes FIXME Brake Pads FIXME Vacuum Pump Hella make several vacuum pumps that are used on many cars as OEM. the VW/Audi for example is a Hella UP28. There are several models: UP28 and UP5.0 This needs to be setup to activate as soon as you hit the brake pedal. Most activate off of the brake switch. text/html 2019-06-01T05:30:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=mounts&rev=1559367018&do=diff Mounts Intro Auto mounts are also different part numbers then the manual including the timing mount. The 5 speed timing mount can be used with no issues. When it comes to the rest of the mounts you do need the mounts and brackets auto variants. The front and rear mount for 1G are also different then 2g. On 1G the front and rear mounts mount to the block and on the 2g they mount to the transmission. The transmission mount and bracket should match the body of the car. The only parts that actuall… text/html 2021-02-02T20:28:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=ratchetshifter&rev=1612297723&do=diff Ratchet Shifter Shifter To manually shift the car you will need to select a ratchet shifter. There are many options out there from alot of companies. You need one that shifts 3 speed transmissions and is setup for the PRND21/PRN321 configuration. PRN123 or PRN12D configurations will not work as this is for reverse valve bodies which as of right now isnt something our transmissions can do. Since nobody tests compatability with our transmissions you will need to look at shifters for TH400 or Tu… text/html 2019-06-01T05:30:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=ratiochart&rev=1559367019&do=diff F4A33 & W4A33 TransmissionRPM vs Speed Charting Stock Tire/AWD Ratio Stock Tire/FWD Ratio 26" Tire/AWD Ratio 26" Tire/FWD Ratio 28" Tire/AWD Ratio 28" Tire/FWD Ratio text/html 2022-03-09T07:08:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=reardiff&rev=1646809736&do=diff Rear Differential Intro There are many rear diffs out there. The easiest way to ID then is by the code tag as it contains all the information you need. Manual rear diff ratio is always 3.545 and automatic is always 3.307. The only difference is the 3000GT VR4 and Stealth RT Twin Turbo. 3.307 is a 6 speed manual diff but its the same ratio as Auto so it can be used with no issue. text/html 2019-06-01T05:30:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=rpmspeedcalc&rev=1559367020&do=diff This page should be manually overridden. text/html 2019-06-01T05:30:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=shifter&rev=1559367021&do=diff Shifter Stock DSM Shifter The stock shifters work well and even work well with a aftermarket TCU and you can use it like you would a ratchet shifter for just manual shifting. These shifters along with the 3G shifter have brake interlock cables because they are OEM. The purpose of this is to make you press the brake in order to shift the car from park as a safety feature. You can eliminate this. The shifters are designed to have to press the button all the way down in order to shift from park … text/html 2019-06-01T05:30:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=start&rev=1559367021&do=diff Welcome to the F4A33/W4A33 Information Wiki Welcome to the DSM automatic transmission information database. This is to retain and archive of information so it doesnt become lost. All information on this platform is fragmented across the internet. You will notice there is information here in some parts that have non auto information. This is for those digging through parts that need to ID the part they have or are looking at even if its not automatic. The purpose of this site is to bring all of… text/html 2019-06-01T05:30:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=tcu&rev=1559367022&do=diff Transmission Control Unit/TCU The transmission control unit or TCU is what controls everything about your transmission and the way it acts. TCU ID There are 2 ways to identify OEM Mitsubishi TCUs. One is by part number and the other is by plug. You of course need a TCU that matches the plug that the harness has. But you also need the right TCU for your transmission to prevent problems and so the transmission acts correctly. text/html 2019-06-01T05:30:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=thanks&rev=1559367022&do=diff Thanks This page is to thank everyone who collaborated or in some way has helped this site. Aaron Gregory Justin Aichele Jeffrey Bush Kevin Kwaitkowski Dave Katz text/html 2019-06-01T05:39:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=timeslipdatabase&rev=1559367586&do=diff This page should be manually overridden. text/html 2019-06-01T05:30:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=timeslipsubmission&rev=1559367023&do=diff This page should be manually overridden. text/html 2019-06-01T05:30:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=transcooling&rev=1559367023&do=diff Transmission Cooling Transmission Cooler Fluid Orientation The port closest to the firewall is the cooler return. This is where transmission fluid comes from the transmission cooler back into the transmission. The port closest to the radiator of the car is the cooler feed. This is where transmission fluid comes from the transmission and goes to the transmission cooler. text/html 2020-06-05T20:32:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=transfercase&rev=1591389138&do=diff Transfer Case General When it comes to transfer cases all you really need to worry about is the year, spline count, and the housings. Internally the gears are all the same from 90-96 and from 97-99 they had different ratios. So if you have a trans from a 94 and you find one that is from a 95 then its fine. Manual and Automatic transfer cases were the same gear teeth count and ratio during each of those ranges. You can see below in the ratio section. So when automatic transfer cases to start ge… text/html 2019-06-01T05:30:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=transfluid&rev=1559367024&do=diff Transmission Fluid and Fluid Filtration Transmission Fluid Capacity The auto transmissions hold a good amount of fluid. It will vary depending on the situation. If the trans and converter are dry it will take more. If your draining the pan and refilling it will of course be less. So please take that into consideration. All figures here are dry converter and dry transmission. text/html 2023-03-27T01:11:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=translogging&rev=1679879486&do=diff Transmission Datalogging If you have a stand alone engine ECU that offer extra channels you can setup sensors to datalog your transmission. Input Shaft Speed This is something that requires minimal work. There is already a sensor in the transmission for this. You use the upper transfer gear pulse generator. text/html 2023-07-09T23:48:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=transmission&rev=1688946536&do=diff F4A33 & W4A33 Transmission Information Transmission Codes The codes stamped on the top of the transmission bell housing do actually mean something. These do pertain the manual transmissions to. Here is what the code means. Code Meaning text/html 2019-06-01T05:30:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=upgradepath&rev=1559367025&do=diff FIXME text/html 2020-09-15T08:32:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=valvebody&rev=1600158767&do=diff Valvebody General Here is a video from John @ IPT showing valvebody removal and reassembly. Video: Click The valvebody is the central nervous system of the transmission. It determines what pressures are fed to what clutches and when. The pressure to each clutch pack determines its pressure plate clamping force. Increasing holding capacity is as easy as increasing the pressure to the clutches. The OEM line pressure text/html 2022-08-23T08:27:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://w4a33.com/doku.php?id=wiring&rev=1661243245&do=diff Auto Swap Wiring information The harnesses in the car are different. They have the automatic wiring and plugs made into them and the manual cars are lacking all of this. The 2 harnesses that contain all of the automatic wiring is the interior harness, Dash harness, and the engine harness. This contains all of the wiring circuit that the automatic uses. The topics in this article will contain 2 explanations for each item. One of the options will be if you have all of the harnesses. The other o…