![]() design) manifold made with 410 hp and 418 lb-ft of torque in dyno tests with Edelbrock's matching cam (#2215) and Performer Series carb (#1413). The Performer (also available is a Victor Jr. And as I've stated, they allow the use of a carburetor on these originally computer-controlled engines, offering maximum power and a broad torque curve from 1,500 to 6,500 rpm. This may take a while, depending on your interface hardware, PCM type, and how much of the flash memory you're rewriting.Which brings us to the crux of the biscuit, so to speak-Edelbrock's new intakes and electronic ignition controller (manufactured by MSD) not only fit the LS1, they also fit the Corvette LS6 engine and any other Gen III engine including the LM7 (5.3-liter), LR4 (4.8-liter), and LQ4 (6.0-liter). Choose the write operation, as per the instructions above.This will list a few properties of the your PCM. Press the Read Properties button to confirm that the app can talk to your PCM.Press the Select Device button and choose your OBD2 interface type. ![]() Your new PCM will be indistinguishable from the one that your. Together, these two operations rewrite the entire contents of the flash chip. In this case you'll want to do "Write OS & Calibration" followed by "Write parameters." The parameter section of the flash chip contains the VIN and other data that binds the PCM to other modules in the vehicle. In some cases you'll want to replace the entire contents of the flash chip, for example if you're replacing a defective PCM with a new (used) one from a scrap yard. Operating system updates probably won't be very common, so the "Write OS & Calibration" option is in the Tools menu. When you update the OS, you must also flash a calibration that works with that OS. In some cases it might be useful to upgrade the operating system in your PCM. We expect that most users will just want to update the calibration (aka the "tune"), which is why the Write Calibration button is prominently featured on the main window. Before flashing, consider what you're trying to accomplish. This gets a bit complicated, because there are three distinct regions of the flash chip that serve different purposes. These were used in some (but not all) V8-powered cars and trucks from roughly 2000 to 2007. Reminder: this app currently only supports the "P01" and "P59" powertrain control modules. These were previously scattered across various forums and it's great to have a centralized place for them now. Gampy from PcmHacking.Net - bug fixes, testing, UI improvementsīoredTruckOwner from - collecting, sorting, organizing, and maintaining a collection of XDF files on GitHub. LRT from, cmaje from, and lots of others - XDF files (PeteS and Tazzi are also the minds behind the OBDX Pro interface devices.) Tazzi - His code made it possible for PCM Hammer to support J2534 devices. His troubleshooting and testing has been invaluable. PeteS - He speaks J1850 VPW like a native, and tortures PCMs for sadistic pleasure. Was rescued by everyone else listed here.ĮagleMark from and other forums - he contributed immensely to the LS hacking scene long before this app came about. NSFW - Tried to write PCM Hammer despite knowing far too little about the hardware side of things. Most J2534 devices that support J1850 VPWĪntus - He and Dimented24x7 created the first free tool for reading and writing (LS1Flash) and he contributed enormously to this one.ĭimented24x7 - For his work on LS1Flash, for sharing his disassembly of a 411 operating system, and for the first free definition (XDF) of a 411 operating system's calibration data.ObdDiag.Net's AllPro (Featured on Hackaday).Support reading and writing for E38 V8 PCMs.Support reading and writing for P04 PCMs from V6-powered cars of the same era.The collections of parameters for data logging ("Log profiles") are basically just proofs-of-concept.Use with caution, and please let us know if you run into any trouble. Support for reading and writing P10 and P12 PCMs is new, and it seems to work well, but since it's so new, there are probably some surprises lurking within.Supports ELM-based, AVT, and J2534 interface devices.Change VIN (useful for replacing a damaged PCM with one from a junkyard).Compare PCM firmware to saved files using CRC.You'll find the a download link for the zip file hidden under the "Assets" button below the release description.ĭocumentation is on the wiki at the GitHub site. To get a copy, to go our GitHub site via this handy URL: - then go to the Releases section and get the most recent one.
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