Carburetors

Power Valves	Power Valves
Float Adjustment	How to properly set your float level.
Adjustable Air Bleeds	What size air bleeds should I use with my 4150HP or 4500HP Dominator carb?
Carb Numerical Listing	A quick reference replacement parts guide to all Holley carbs.
Selecting a Carb	A quick reference chart for picking out a carb.
A Look Inside Your Carburetor	A guide to how a Holley Carb works and how to tune it.
Selecting A Carburetor	A Guide on how to Select the right carburetor
Model 2010 Exploded View & Nomenclature	Model 2010 Exploded View & Nomenclature
Model 2300 Exploded View & Nomenclature	Model 2300 Exploded View & Nomenclature
Model 2300 (3x2) Exploded View & Nomenclature	Model 2300 (3x2) Exploded View & Nomenclature
Model 4010 Exploded View & Nomenclature	Model 4010 Exploded View & Nomenclature
Model 4011 Exploded View & Nomenclature	Model 4011 Exploded View & Nomenclature
Model 4150/4160 Exploded View & Nomenclature	Model 4150/4160 Exploded View & Nomenclature
Model 4165/4175 Exploded View & Nomenclature	Model 4165/4175 Exploded View & Nomenclature
Model 4500 Exploded View & Nomenclature	Model 4500 Exploded View & Nomenclature

Holley EFI V2 Update

V2 Update Instructions	DOWNLOAD AND READ THIS FIRST– Follow these steps EXACTLY to update your Holley EFI system to the new V2 version.
Holley EFI V2 Instructions	IMPORTANT DOWNLOAD – These contain new instructions for V2 Installation, Features, Boost Control, and Traction Control
Holley V2 Software Installer	Contains latest V2 software installer.
Holley V2 Firmware	Contains latest V2 firmware.
Holley V2 Firmware Changes	Contains a list of updates to V2 firmware versions.
Holley V2 5.7" Touchscreen LCD Updates	Contains the files needed to update the 3 Holley touchscreen applications for use with V2 update.

Commander 950

Commander 950 Tuning Manual	Commander 950 Tuning Manual
Commander 950 TBI Manual	Commander 950 TBI Hardware Installation Manual
Commander 950 Software	Commander 950 software. Requires windows 98 or newer, not compatible with Windows Vista or Windows 7

Holley EFI

Holley EFI Software	V1.5.0.1. This software is shipped with ECU's with ID numbers 2400 & up. It is recommended to not update an older ECU, unless USB connectivity issues occur. If you are experiencing USB connectivity issues, contact your EFI dealer, or Holley tech at 270–781–9741 before you download.
Holley EFI Touch Screen Update	It is recommended that all Touch Screen users that purchased a Holley EFI touch screen before June 2011, and experience a battery drain over 2–3 weeks, install this update. Download these instructions.
Holley EFI ReloadPM Installer	It is recommended that all Touch Screen users that purchased a Holley EFI touch screen before June 2011, and experience a battery drain over 2–3 weeks, install this update. See "Touch Screen Update" instructions.
Holley EFI Firmware Changes	This lets you know what changed or was added to the latest firmware.
Holley EFI Firmware	This latest firmware must be installed with tuning software versions 1.1.5 Build 3 and higher located above. Read the "note" in the Holley EFI Firmware Changes document before performing firmware update.
Holley EFI Wiring Manual	Holley EFI Wiring Manual
Holley EFI Datalogger Instructions	Holley EFI Datalogger Instructions
Holley EFI Introduction	Holley EFI Introduction
Holley EFI Pin Map Instructions	Holley EFI Pin Map Instructions
Holley EFI Quick Start Guide	Holley EFI Quick Start Guide
Holley EFI Base Calibrations	Holley EFI Base Calibrations
Holley EFI HP & Dominator Differences	Holley EFI HP & Dominator Differences
Holley EFI Injector Flow Data	Holley EFI Injector Flow Data
Holley EFI Sensor Diagnostics & Statuses	Holley EFI Sensor Diagnostics & Statuses
Holley EFI Updating Firmware	Holley EFI Updating Firmware
Holley Boost Control Manual	Holley EFI Boost Control Instruction Manual
Holley Boost Control Quick Start Guide	Holley EFI Boost Control Quick Start Guide

Commander 950 Base Maps - downloadable

Mpi1901	Base Map For 350 small block Chevy, 19 lb/hr injectors, single plane MPFI manifold, 1000 CFM 4 bbl throttle body, stock late model iron heads, Lunati 30110 cam (230/236 @ .050, .468/.468, 110 LC), 8.5:1 compression, 43 PSI fuel pressure.
Mpi2402	Base Map For 350 small block Chevy, 24 lb/hr injectors, single plane MPFI manifold, 1000 CFM 4 bbl throttle body, stock late model iron heads, Lunati 30110 cam (230/236 @ .050, .468/.468, 110 LC), 8.5:1 compression, 43 PSI fuel pressure.
Mpi2403	Base Map For 355 small block Chevy, 24 lb/hr injectors, single plane MPFI manifold, 1000 CFM 4 bbl throttle body, 20 degree Holley heads, Lunati 30140 cam (225/235 @ .050, .477/.507, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 397 HP @ 5500 RPM, 418 ft/lbs @ 4400 RPM.
Mpi3004	Base Map For 355 small block Chevy, 24 lb/hr injectors, single plane MPFI manifold, 1000 CFM 4 bbl throttle body, 20 degree Holley heads, Lunati 30140 cam (225/235 @ .050, .477/.507, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 396 HP @ 5500 RPM, 417 ft/lbs @ 4500 RPM.
Mpi2405	Base Map For 355 small block Chevy, 24 lb/hr injectors, StealthRam intake, 58mm throttle body, 20 degree Holley heads, Lunati 30140 cam (225/235 @ .050, .477/.507, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 405 HP @ 5500 RPM, 428 ft/lbs @ 4600 RPM.
Mpi3006	Base Map For 355 small block Chevy, 30 lb/hr injectors, StealthRam intake, 58mm throttle body, 20 degree Holley heads, Lunati 30140 cam (225/235 @ .050, .477/.507, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 405 HP @ 5500 RPM, 428 ft/lbs @ 4600 RPM.
Mpi3007	Base Map For 355 small block Chevy, 30 lb/hr injectors, single plane MPFI manifold, 1000 CFM 4 bbl throttle body, 58mm throttle body, 20 degree Holley heads, Lunati 30142 cam (235/245 @ .050, .507/.534, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 421.3 HP @ 5700 RPM, 415.2 ft/lbs @ 4800 RPM.
Mpi3008	Base Map For 355 small block Chevy, 30 lb/hr injectors, StealthRam intake, 58mm throttle body, 20 degree Holley heads, Lunati 30142 cam (235/245 @ .050, .507/.534, 112 LC), 9.5:1 compression, 43 PSI fuel pressure, 418 HP @ 5500 RPM, 422 ft/lbs @ 4700 RPM.
STLTHZZ4	Base Map For GM ZZ4 engine with StealthRam system. 30 lb/hr injectors.
Mpi1	Base Map For Multiport EFI. Engines that are close to stock. Idle vacuum 16–20". 14–24 lb/hr injectors. Engine power range idle–5000 rpm.
Mpi2	Base Map For Multiport EFI. Engines with mild cams. Idle vacuum 14–18". 24–36 lb/hr injectors. Engine power range 1500–6000 rpm.
Mpi3	Base Map For Multiport EFI. Engines with performance cams. Idle vacuum 10–16". 24–30 lb/hr injectors. Engine power range 2000–6500.
Mpi4	Base Map For Multiport EFI. Engines with performance cams. Idle vacuum 10–16". 30–36 lb/hr injectors. Engine power range 2000–6500.
Mpi5	Base Map For Mutiport EFI. Engines with mild cams. Idle vacuum 14–18". 30–42 pph injectors.
Mpi6	Base Map For Multiport EFI. Engines with performance cams. Idle vacuum 10–16" 42–50 lb/hr injectors.
SC14PSI	Base Map For Multiport EFI. Engines with centrifugal supercharger. Up to 14 psi of boost. 42–50 lb/hr injectors.
350sbc30	Base Map For 4–bbl Multi–port map generated on a 350 cubic inch small block Chevy with the Holley SysteMAX aluminum cylinder heads and cam. Injector size is 30 lb./hr. Good baseline for 400 hp 350 with approximately 230 degrees duration at .050" lift cam and 112 lobe separation.
383sbc30	Base Map For 4–bbl Multi–port map generated on a 383 cubic inch small block Chevy with approximately 400 hp 30 lb./hr. injectors. Good baseline for camshafts less than 230 degrees duration at .050" lift and 112–114 lobe separation.
43lv619	Base Map For Multi–port map generated on stock non–Vortec 4.3L GM V–6 with manual transmission. Injector size is 19 lb./hr.
43lv6bt	Base Map For Multi–port map generated on stock non–Vortec 4.3L GM V–6 boat engine. Injector size is 19 lb./hr. Open loop calibration.
502sysmx	Base Map For 4–bbl Multi–port map generated on 502 cubic inch GM engine with Hollet SysteMAX cylinder heads and cam. Injector size is 36 lb./hr. Good for big block engines with approximately 550 hp and cams with approximately 235 degrees duration at .050" lift and 112–114 lobe separation.
50242pph	Base Map For 4–bbl Multi–port map generated on 502 cubic inch GM engine with Hollet SysteMAX cylinder heads and cam. Injector size is 42 lb./hr. Use with engines that produce 550–600 hp and that use an additional 100–150 hp dry nitrous oxide.
TBI6501	Base Map For 350 small block Chevy, 700 CFM 4 bbl TBI unit, 65 lb/hr injectors, stock late model iron heads, Lunati 30110 cam (230/236 @ .050, .468/.468, 110 LC), 8.5:1 compression, 21 PSI fuel pressure.
TBI6502	Base Map For 355 small block Chevy, 700 CFM 4 bbl TBI, 65 lb/hr injectors, Lunati 30140 cam (225/235 @ .050, .477/.507, 112 LC), 9.5:1 compression, 21 PSI fuel pressure, 389 HP @ 5400 RPM, 419 ft/lbs @ 4300 RPM.
TBI6503	Base Map For 355 small block Chevy, 700 CFM 4 bbl TBI, 65 lb/hr injectors, Lunati 30142 cam (235/245
TBI7503	Base Map For 355 small block Chevy, 900 CFM 4 bbl TBI, 75 lb/hr injectors, Lunati 30142 cam (235/245 @ .050, .507/.534, 112 LC), 9.5:1 compression, 21 PSI fuel pressure, 402.5 HP @ 5600 RPM, 412.5 ft/lbs @ 4900 RPM.
TBI1	Base Map For TBI injection. Stock and mild engines. Idle vacuum 16–20". 45/65 lb/hr injectors. Engine power range idle–4500 rpm.
TBI2	Base Map For TBI injection. Engines with mild cams. Idle vacuum 14–18". 45/65 lb/hr injectors. Engine power range 1500–5000 rpm.
TBI3	Base Map For TBI injection. Engines with mild cams. Idle vacuum 14–18". 45/65 lb/hr injectors. Engine power range from 2000–6000 rpm.
TBI4	Base Map For TBI injection. Engines with performance cams. Idle vacuum 10–16". 45/65 lb/hr injectors. Engine power range 2500–6500.
TBI5	Base Map For TBI injection. Engines with mild cams. Idle vacuum 14–18". 85 lb/hr injectors. Engine power range from 1500 to 5500 rpm.
TBI6	Base Map For TBI injection. Engines with performance cams. Idle vacuum 10–16". 85 lb/hr injectors. Engine power range from 2500–6500 rpm.
454tbi	Base Map For Throttle body injection map geneated on stock 230 hp 454 GM engine. 45 lb./hr. injectors.
5lgt40	Base Map For Use with 5.0L Ford engines that have similar configuration as Ford GT40 package. Use 24–30 lb./hr. injectors.
Alphan	General Base Map For engines that use Alpha–N operation.

Pro-Jection

Fuel Injection Tech Info	Technical Information for Fuel Injection
Fuel Injector Selection	Selecting A Fuel Injector
Pro–Jection 4D/4Di Installation	Pro–Jection 4D and 2Di Installation Guide
Pro–Jection 4Di Tuning Software	Pro–Jection 4Di Tuning Software
Pro–Jection 1D Manual	Pro–Jection 1D Installation Guide

Fuel Pumps

Fuel Pump Tech Information

Technical Information for Fuel Pumps

Manifolds

Choosing A Manifold

How to Choose a Manifold

Nitrous Oxide Systems

Motorcycle Fogger	Motorcycle Fogger Guide
Bottle Temperature Information	Bottle Temperature Information
Selecting A Fuel Pump for Nitrous	Selecting A Fuel Pump for your Nitrous kit
Installation Requirements	Installation Requirements
Motorcycle Plumbing Information	Information for Plumbing your Motorcycle
Types of Nitrous Systems	Types of Nitrous Systems
Typical Plumbing Diagrams	Diagrams for Typical Plumbing
Regulator Settings For Nitrous	Regulator Settings for your Nitrous Oxide System
Tuning Technical Information	Technical Information on Tuning your Nitrous Kit
Launcher Firmware	Latest Firmware update for the NOS Launcher Controller to eliminate "Pause Enable" feature issues
Launcher Firmware Instructions	Instructions on how to update the firmware in the NOS Launcher controller.
Launcher Software	NOS Launcher software (ID numbers 1199 and lower)
Launcher Software	NOS Launcher software (ID numbers 1200 and higher or units updated with Holley USB Driver)

Plumbing

SpeedFlex	Speed Flex Hose Assembly Instructions
Hose & Hose Ends	B–Nut Size & Assembly Instructions
Brake Systems	Brake Line Technical Information
Cooling Systems	Oil Cooler Plumbing Charts
Plumbing Systems	Plumbing Basics
Hose & Hose Ends	Power Steering Hose Assembly Instructions
Hose & Hose Ends	Super Stock Hose Assembly Instructions
Hose & Hose Ends	Swivel–Seal Hose Assembly Instructions
Cooling Systems	Temp–A–Cure Technical Information
Hose & Hose Ends	Thread Size Reference Guide
Hose & Hose Ends	Tube–Mate Auto–Fit Assembly Instructions

Superchargers

Supercharger Tech Information

Supercharger Technical Information