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02-02-2023, 12:00 AM. Holley Forum User Support. Questions for the moderators - This is for questions regarding user accounts, log in issues, how to use the forum, etc. Please post technical discussion regarding product in the user discussion spaces in the brand areas. Topics: 34 Posts: 135.
PCV valve hook up help. 12-30-2023, 09:07 PM. I bought a '79 Corvette, with the OE L82, 350 engine, about 8 months ago. It has Edelbrock heads, Edelbrock intake, a small cam, long tube headers, Magnaflow mufflers, etc. The PO did a lot of work on the car, before I bought it, including the Sniper EFI. He also installed a catch can.
Tweet. #1. Rich at idle/random stall. 08-21-2024, 06:14 AM. I just installed Terminator X on my 302 HCI/V3. Runs great under load. When in light throttle or at idle, it seems to be loading up rich with fuel. I attached a zipped datalog where at idle in neutral it randomly shuts off (around 45 seconds). Struggling to find the issue.
A System Log is a new type of Internal Datalog that can record a high speed/resolution log of the crank and cam sensor signals. This can be extremely helpful and effective when trying to diagnose crank or cam signal integrity issues. To record a System Log, set the Log Type as "System Log" as shown in Figure 20.
Rough idle, missing, etc., ALL SOLVED! A story with a great ending! I finished my Factory Five Roadster about a year ago. I'm running a brand new Ford Racing 302 crate engine with a Holley Sniper. From day one, I've been plagued with a situation where the car almost stalls when you come off the throttle (like pulling up to a stop sign).
Specific to the Holley EFI Software. Right click and a small menu pops up with ways to Cut/Copy/Paste, Smooth vertical/horizontal/all values, or to Fill/Offset values. Anytime you click on/Highlight cell values: CTRL+Up/Down Arrows = Change by +/-1%. CTRL+Left/Right Arrows = Change by +/-5%. CTRL+X will Zero out the cell/highlighted area.
8) The Holley V5 EFI software/ECU firmware finally added an A/C activated option for the electric fans. Check mark A/C "IAC Kick" in the Holley EFI software (Basic I/O - System Parameters), select a +12V or Ground Input Type in Inputs/Outputs (still in the System ICF), and Pin Map it to an available "H" (+12V) or "G" (Ground) Input Type pin ...
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The "Engine Temp Fans" Output will have three Sensor Input triggers: 1) A CTS Above 185°F, and Enable Secondary Deactivation at 182°F, Hysteresis Mode (example temperatures). 2) An RPM Above 600 RPM Output (so the fans won't run with Key-On/Engine-Off). 3) A VSS Sensor (or Speed from Transmission ICF) Below 45 MPH.
03-20-2024, 10:10 AM. Use a laptop computer with the Sniper EFI software. Originally Posted by Danny Cabral. EFI Software & ECU Firmware Versions: EFI SOFTWARE: Click "Help" tab (top toolbar) & "About Holley Sniper EFI". ECU FIRMWARE: Click "Sync With ECU" & "Get ECU Info" (Key-on/USB connected).