TechDownLoads

Technical Downloads On this page I will post documents, notes and videos pertaining to the FAST EFI system.
Download the EZ-EFI user manual Click HERE
* NEW Tuning Guide I have added a quick tuning guide to this page. More and more customers are doing their own tuning. The actual FAST documentation is accurate, but not printed. You must install the software on your laptop and select HELP to see the documentation. It's very thorough, in sequence, and includes everything you need to know; but I have had customers tell me that once they had their system installed and the basic parameters have been set, they wanted a quicker document that sort of went through the tuning process in a overview step-by-step process. So I wrote the document Setting up the FAST XFI System.doc I hope this can help. Little things are often overlooked such as: * The system will never go into closed loop if CTS (warm up fuel) is being added. * The throttle follower can hold the IAC open if the basic idle throttle setting is too high. * Using the "G" key to see a 3D version of the VE table really helps to smooth things out. * Using the "L" key during closed loop tuning to help select the correct VE value in real time.
* Direct interface with Racepak Systems: If you're a racer you know that the Cadillac of drag racing datalogging systems is the Racepak V300 and V500. Well now you can buy an interface from Racepak that talks to your FAST ECU and therefore can log all the pertinent FAST information such as A/F ratios, Injector duty cycles, and really anything that you want to know from the FAST ECU. The interface is expensive at $395 but boy, is it cool! * Convert Dual Sync Accel distributors to work with FAST. FAST now has dual sync distributors for Mopars, but Accel also sells dual sync Mopar distributors. But they need to be modified slightly to work with FAST. Hard to do? Nope. Maybe 20 minutes max. Click HERE to get the document, or just buy the distributor from us and we'll do the modifications in advance - for free! * XFI Traction Control ? * Click HERE for the document * This is a mode that will not limit the rate at which your car can accelerate. By monitoring the "change" in driveshaft speed over time, the ECU can learn and determine whether the tires are slipping, and then retard the timing to try and keep that acceleration rate in the range that you select. There's much more to this, so click above for all the info.	* New "Beginner" menu mode. The latest version of the FAST system allows to to start with the menus in the beginner mode, then step up to intermediate and eventually Advanced if you want. This really helps when you just finished the installation and all you really need is the important stuff that's all in the beginner mode. * The FAST ECU can now control your TRANSBRAKE ??? Yep ... You have got to be kidding - right? Nope. If you're a bracket drag racer you know that there's only two things you need to do to win ANY race: Cut a light, and run the number. Staging your car is critical. Using the trans-brake control feature of the XFI, a driver would be able to engage the trans-brake from the “pre-stage” bulb, hit the gas, and then use the trans-brake control function to allow the vehicle to roll (or really creep) into the staged position. This can be done under the operator’s control or be totally automatic, allowing the driver to concentrate on the tree for more consistent reaction times. This is especially useful for turbocharged cars where you need more time to “spool” the turbocharger.
Documents (updated 2/24/08)	Videos
New software to use with your FAST A/F meter. XFI Articles in Word format: All you wanted to know about EFI but were afraid to ask chapter 1 All you wanted to know about EFI but were afraid to ask chapter 2 All you wanted to know about EFI but were afraid to ask chapter 3 All you wanted to know about EFI but were afraid to ask chapter 4 All you wanted to know about EFI but were afraid to ask chapter 5 EFI and Flex Fuel EFI and AF Ratio Control for a Bracket Car Here are a few tips when running a roots type supercharger with EFI: XFI tricks when using a Supercharger Here's a few tips about in-car tuning: Quick - In Car Fine Tuning Here's a Sequential EFI timing diagram: Sequential System Timing Here's a document about how to use the XFI system with a turbocharger: Turbo boost Control	1- Overview and How EFI Works (These are fairly large files so wait for them) 5-Initial_Setup I know I skipped a few chapters, but this is just a teaser as to what's on the DVD. Go to the PRODUCTS page to get the complete DVD. Click HERE to see a video of Mopar Engines West 2006 Engine Challenge Pump Gas motor (now belonging to Rich Nedbal) after converting it to EFI. This engine was first detuned to add reliability and consistency. It will be used in a Pump Gas Dragster called the "Pump Gas Bandit" * Rockers were changed from 1.6 to 1.5 ratio. * Compression ratio was dropped to allow lower octane fuel. * Crank scraper was removed because a dragster style pan was used. * Unported intake manifold was converted to EFI and used as-is.