It cranks and stays running without even getting in the car, just like my DD f250. Easy start and smooth power. Jump to . 1 offer from $39.99. This cable worked ok and the software while somewhat cryptic and clunky also worked ok. I wonder if that would be a "no mod" option? I would suggest getting the USB connector and down loading the tuning software to your laptop. On the 4.0 the computer uses a separate temp sender on the thermostat housing. Sniper EFI Tuning & Tech. Basically down load the update from Holley, save to the supplied SD Card, and place in the control unit and upload it. Holley Sniper EFI Self-Tuning Fuel Injection Systems Holley Sniper EFI self-tuning fuel injection systems deliver all the benefits—and none of the hassles. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. See all 12 photos The Sniper software is very similar to the current Holley HP and Dominator spark and fuel maps. The software is not intuitive and will take you a long time to figure out if you have never messed with tuning software before. The included touchscreen programmer has a step-by-step program that creates a base map then self-tunes while you drive, no laptop or computer knowledge required. 1) Launch the Holley EFI software from the icon on your desktop. Taking off the RPMs climb really quick before clutch engages so you either squawk or take off quickly, shifting has to be done quickly as well, or RPMs drop. Save. One of the Holley forum guys took a look at my config and datalog and said it looked like the spike was happening due to mismatch in Target AFR and what the computer was saying in closed loop, as during the decel the sniper switches to from closed to open loop. There was quite a delay in Holley getting the required USB-CAN "dongle" which is needed to actually USE the software. It can also be used with boost, has several additional programmable inputs and outputs for things like fans and can be connected to a CAN BUS for laptop-based tuning. The overall general consensus on the Holley EFI forum is that the Holley EFI software settings for the sniper/dominator are overly rich to begin with. Not all the videos are as helpful as could be. Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time - Same popular boost control offered in Holley HP and Dominator EFI systems! It maybe Holley has just not gotten around to adding the linkage . I have the Holley EFI software, special interface cable, and a dedicated Windows 10 tablet setup already. 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI; Built-in Single stage progressive nitrous control; Dry or Wet Nitrous Support The Holley Sniper eliminates the mass air flow sensor and injector harness, as all the sensors, injectors, and idle control are incorporated into the Sniper throttle-body. the "USB Link" button with the cursor. I use this software to tun. Holley Holley Lower Structure Support for Gen III Hemi Engines and Transmissions $69.95 Part# 302-65 Hooker BlackHeart Hooker Blackheart 2.50-inch 304 Stainless Steel Hemi Swap Exhaust System - 111-inch Wheelbase $799.95 Part# BH23107 Hilborn HILBORN BIG BLOCK CHEVY INTAKE MANIFOLD KIT $3,373.95 Part# 300-807 Flowmaster To me, it seems like a decent way to go for those with the old 2 barrels want to retain a factory appearance but with the drivability of modern technology. I might have to go buy a cheap laptop for programing the sniper lol. The EFI software runs on your computer and can be used to change settings, but only if the firmware supports it. fuel injectors capable of supporting up to 1250 hp on forced induction or dry nitrous . 2. Thanks, Clayton 10-27-2021 . I used the Holley Sniper with the hyperspark distributor. People ask us what is the difference between entry-level EFI Systems. I have a Holley Super Sniper on a Stroked 351. The FAST doesn't have laptop capability, but by upgrading the computer you can then laptop tune it. Many of the features are not accessible from the touch screen. operations much be performed within the Holley EFI software. Next, go back to the Home menu and navigate to File > ECU HW/FW. I would suggest spending the extra money and going with the Terminator x 4150 stealth over the sniper however. Doing this in Windows File . Sniper laptop software tuning manual I am using the same setup running Linux, but the general idea looks like this: Save Reply The Sniper ECU will finish it out. If this is your first visit, be sure to check out the FAQ by clicking the link above. The Sniper software is very similar to the current Holley HP and Dominator spark and fuel maps. Holley sent him a new one for free. . This allows the sniper to control the fuel pump for safety reasons. The first sniper I installed for my friend the 02 sensor went out within a week. Once in idle, it is much more stable than the PJ III ever was. I am a computer guy so messing around with a laptop and learning software is not an issue with me but for sure need to learn up on many of the settings. I think the cost involved in going back to factory EFI will exceed the cost of the Holley Sniper system (intake, injectors, throttle body, maf, etc). Jun 17, 2015. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions! Many times I called Holley and ask why it wouldn't tune itself. I'll tell you this, if you need support the Holley wins, therr is alot of online forum support for Holley from it's users. . EFI Icon 4. Almost seems like it needs a spring to make it harder to push . Find someone with the laptop cable and use the Holley tuning software to smooth out the timing curve. The system takes a little playing with and the laptop software some time to learn. Okay, great, the Holley forum gave me a bit more info, it looks fairly simple to adjust for idle, cruise, and WOT on the timing table (through the software). I personally would rather change the file name on m. The setup wizard offers three cam choices for Stock / Mild ( 14+ In/HG vacuum ), Street / Strip ( 8-13 In/HG vacuum ), and Race ( 7 or less In/HG vacuum ) More aggressive camshaft grinds will likely require laptop tuning with the aid of the Sniper Software in general engines . 3. Testing the prototype www.efisystempro.com USB-CAN EXTENSION HARNESS with my laptop In the advertisements Holley states you don't need a computer to get this running. The Holley Sniper comes with the free, and very nice, software. Pardon us as we struggle to contain our excitement about the newly released laptop tuning software exclusively for the Holley Sniper EFI Systems! I swapped from a Edelbrock 750 and a Carter mechanical pump. The Sniper laptop software affords the tuner the ability to control the spark as . The software is based on the current Holley EFI software and is VERY full featured and very intuitive. The handheld is much nicer and easier to setup. . 4.9 out of 5 stars. To start viewing messages, select the forum that you want to visit from the selection below. The Sniper doesn't need or come with laptop software, but it will be available shortly. As far as I can tell, the sniper systems use a very similar software as the terminator in regards to the self tuning (or map smoothing). While its hand held touch screen worked ok I thought that being able to use Holley's PC software might give some insight into what was going on with the system. So far the main contributors to giving the auto-learn a fighting chance are: Fuel pressure needs to be confirmed to be to Holley's spec. From what I read on the Holley Sniper forum, the firmware must be upgraded to a version that supports progressive linkage. I see it being a decent replacement for all the CFI guys too. No it appears to be locked out, when Holley finally gets around to releasing the computer software for the sniper maybe they will allow it to change. Raeford, NC. Thought there might be a few people interested in this 2 barrel EFI kit designed for the 2300 crowd. Downloading and installing the free Holley sniper efi tuning software is extremely easy to do and will run on nearly any computer. The manual does not go over the software at all. 10. cjoffroad I believe you are right that the issue is lean condition when it should be richer in decel. There was quite a delay in Holley getting the required USB-CAN "dongle" which is needed to actually USE the software. All Sniper EFI units are supported by Holley's free software that allows the freedom of live engine tuning and control. Apparently the Sniper will have a USB dongle connection and computer software similar to Dominator. FiTech has the capability for laptop tuning, you just have to get the program. Timing needs to be confirmed. 269 Motorsports CAN Bus Y-splitter (6In) for Holley EFI - Sniper Terminator X Dominator Replaces 558-465. Holley Sniper EFI 12-300 Holley EFI Fuel Tank Modules - 255 LPH - Camaro / Firebird / Nova • This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower • A pre-calibrated fuel-level sending unit designed to . And had no issues after the new o2 sensor. They feature eight 100 lb./hr. This cable worked ok and the software while somewhat cryptic and clunky also worked ok. The Sniper system ran very poorly under nearly all loads and engine speed conditions. The Sniper laptop software affords the tuner the ability to control the spark as accurately as the. The 258 only puts out 115hp. it has it's own built in relay in the harness. On the Stealth PN 4150 has what they call the fuel log that goes to both of those fitting shown going into the EFI on page 11 it shows one as a feed and one as a return on the plain Sniper. On a new-build I swapped over to the EFI sniper and dual sync distributor on a 383 big block Mopar with 810 Mi break in. It has a built-in nitrous controller, for instance. I swapped from a Edelbrock 750 and a Carter mechanical pump. While laptop . Anyway..once you bought the $50 adapter cable for using the software and laptop tuning, then you realized what. I am a little biased, i've use the Holley Dominator for 2+ years now, I like the way the software works and is laid out. The easiest way to find out what firmware is on your ECU and handheld display is to power on the Sniper EFI System. With a completely new Individual Configuration File (ICF) for drag racing transmission control, as well as a revised nitrous ICF, this update promises to be the best software yet! fired up & sounded awesome, took it out for some street driving & started missing a beat, took it on the motorway/freeway anything past 40-45mph the engine would just die then pick up, foot down gently back up to 40-45mph would just die again till I took my foot of the gas peddle. All Sniper EFI units are supported by Holley's free software that allows the freedom of live engine tuning and control. Holley 558-465 EFI CAN Splitter. After a little tweaking and a little hard driving to let the system auto program it really works well. If you want to datalog, again the Holley wins. This cable worked ok and the software while somewhat cryptic and clunky also worked ok. holley efi Holley EFI 7" Digital Dash $811.95 Part# 553-106 holley efi Holley LCD Touch Screen $320.95 Part# 553-108 holley efi HP EFI ECU $1,505.95 Part# 554-113 holley efi Dominator EFI ECU $2,444.95 Part# 554-114 holley efi Time-Based Traction Management $601.95 Part# 555-100 Introducing the latest software upgrade from Holley EFI! Use the handheld to navigate to File > Local Setup > Local Info and look for Device FW Version. SNIPER EFI FIRMWARE & SOFTWARE REVISION LOG The latest Sniper EFI ECU Firmware, Sniper EFI Handheld Firmware and Sniper EFI PC Software is available for download at www.Holley.com. I had the car running before with the orange box and the Sniper combo. In particular a Windows Surface Pro. Correct. It has a timeout feature that will shut the fuel pump off after 5 seconds if the engine stalls (RPM) 1978 CJ7 Build. This install is on a 2000 Ram 1500 2 door short bed full size truck. Chasing that down I opted to start playing around on the laptop with the Holley EFI software and with the help from guys on the EFI forum I've been able to get the A/F tables and acceleration . I have mine set to 30%. Holley sniper on a vw aba 2.0 which is installed in my 68 beetle. The included touchscreen programmer has a step-by-step program that creates a base map then self-tunes while you drive, no laptop or computer knowledge required. JBtek All Black Sleeved PWM Fan Splitter Cable 1 to 2 Converter, 2 Pack. If anybody has personal experience between the two please share. I bet I won't get that lucky. Note in the software on the top toolbar where it says "Offline". The laptop tuning opens up the toolbox for making these programs work. This is the version of the firmware that is loaded into the handheld. Holley Software tuning and Tablets. 5.0 out of 5 stars. went through the basic setup procedure, timing, 12 & 34 idle, ect. . The Sniper can be tuned on a laptop right out of the box. Hey, what you can access and control via the included 3.5-inch touchscreen display is very impressive. It is recommended to update to the latest firmware on both the ECU and the Handheld at the same time. Share. The ECU and Handheld firmware are included in the Sniper EFI SD Card Contents. Helpful Holley Links in understanding your install or product research. Self-tuning--no laptop or software required! And the Holley EFI CANbus accessories look interesting. So, all in all, this is a great system if it wasn't for the RFI problems. The software has been ready for months, but the dongle is not. With Holley Sniper, 3.90 gears, 3300 stall the 1st day at Cecil, went 11.51@116 (2 weeks later) The Holley also can control timing, boost control, nitrous activation and/or delay, nitrous timing retard, and 2 step, which all require the more expensive optional throttle body from FiTech. Other than that, it's VERY similar to previous Holley EFI Software. The objective here is to get you comfortable with the software, navigating it, etc. Sniper EFI Software free to download which allows for realtime tuning Printable throttle body flange template included Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. This added software is not necessary for the vast majority of Sniper EFI users. Holley Sniper EFI 2300. Page 11 is what we have but does not show the Stealth set up; just the sniper. Holley Sniper Laptop Software Compatability Is the Sniper EFI tuning software on the laptop compatible with all versions of Sniper ECU? 7. At this point, the laptop is not plugged into the ECU. Reply. Short version is it was a bad idea an he suggested the sniper 2300. 5. Version 6 of Holley EFI's popular tuning suite has officially been released and with this revision comes a slew of race-focused updates. The 304 started out around 210hp back in 1970, and by the time they made the 304 in my 79, it had dropped to 130hp. For better street manners consider changing the throttle linkage to progressive instead of locked. Any reason I should stick with the stock EFI? Having also installed a Holley Sniper on my 67 Dart I abandoned the speeduino as I was sick of screwing with it for 4 months. This install is on a 2000 Ram 1500 2 door short bed full size truck. Here is how to download and view your GCF (config) from the Sniper handheld and view it on your computer. you build a great EFI system, but completely FAILED at adding some shielding so the computer wouldn't freak out. . The latest Sniper EFI ECU Firmware, Sniper EFI Handheld Firmware and Sniper EFI PC Software is available for download at www.Holley.com. Sniper Laptop Tuning Software--The Deal Maker. 1 offer from $92.99. so have fun! Looking to convert your blow-thru carbureted turbo engine to EFI? In the area of Computer/Internet savvy …. Most tuning parameters and software functions . Don't forget, you'll have to have a P/N 558-443 USB Adapter to connect your laptop to the ECU. Rumors I've heard are that the software is done but they need to get the canbus to usb adapters. At some point there will be an adapter the plug the Sniper into a laptop for even more control. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. The ECU and Handheld firmware are included in the Sniper EFI SD Card Contents. At this time, the software checks the data on the laptop (if any is opened) and the data . It has a few more options than the sniper, but it's computer is separate and can be mounted under the dash. It works fine. It will just require the purchase of a CAN to USB converter, which won't cost much. Build the tune on the laptop that will be used with the vehicle. I will get a new 02 sensor before I swap back to the orange box. For better street manners consider changing the throttle linkage to progressive instead of locked. Find Holley Sniper EFI 1250 HP Super Sniper Fuel Injection Systems and get Free Shipping on Orders Over $99 at Summit Racing! Hey, what you can access and control via the included 3.5-inch touchscreen display is very impressive. The software is also better sorted out. Better question is can you update the ECU version from your laptop, or do you have to do version update through the SD card? Select "Holley" and then select "EFI" Right click your mouse on "Holley.exe" Select "Run as Administrator" and the software should run properly. The Sniper 2bbl will support up to 400hp. The Holley Sniper eliminates the mass air flow sensor and injector harness, as all the sensors, injectors, and idle control are incorporated into the Sniper throttle-body. It falls on deaf ears. An in tank fuel pump keeps the pump cool and cuts down on the noise. That is a blatant lie. While its hand held touch screen worked ok I thought that being able to use Holley's PC software might give some insight into what was going on with the system. While laptop . The Sniper system ran very poorly under nearly all loads and engine speed conditions. If I remember correctly the update to accommodate the progressive linkage is a fairly new addition to the Sniper software. The Holley Sniper comes with the free, and very nice, software. they are a little easier to move around than a laptop. Just wondering if the two will sync. No leak down or gas stink in the garage. Anyway..once you bought the $50 adapter cable for using the software and laptop tuning, then you realized what. Many times I called Holley and ask why it wouldn't tune itself. That diagram on page 11 is for the sniper not the sniper stealth. Good price, pretty easy to install. You may have to register before you can post: click the register link above to proceed. Holley offered me a good discount on a Terminator Stealth or a discount coupon good for any Holley product. Find someone with the laptop cable and use the Holley tuning software to smooth out the timing curve. Just had the Holley Sniper installed on my 78 Z28, 383, 5 Speed TKO and the drivability stinks. While its hand held touch screen worked ok I thought that being able to use Holley's PC software might give some insight into what was going on with the system. If you are going to tune with a laptop, the Holley wins. 1968 Beaumont 540 BBC + 15psi Boost via Single . The handheld is useless for tuning when real tuning is required. Having used the Holley Sniper computer based software for 2 years I can say that I like the layout better and the 32x32 map compared to the 16x16 map of . The blue 12g wire is (+) to the pump. You can install a free virtual machine like VirtualBox, buy a Windows License on Amazon for around $20 and simply boot Windows in a Window on your Mac if you need the Sniper software. Sniper is still working perfectly, according to current owner, and my buddy who bought my old FiTech is about to upgrade to a Sniper (actually, a Super Sniper) as well. I have mine set to 30%. An in tank fuel pump keeps the pump cool and cuts down on the noise. I have a mass air harness and A9L computer from an 89 5.0 on hand to rewire the car to factory EFI. The Sniper system ran very poorly under nearly all loads and engine speed conditions. Sniper EFI software was designed to make navigation simple and easy. 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