USB PORT TO SERIAL PORT ADAPTER CABLE

®For Use with Edelbrock QwikData or EFI Systems, As Well As Other Data Acquisition or EFI Systems Catalog #91147

INSTALLATION INSTRUCTIONS

PLEASE study these instructions carefully before beginning this installation. If you have any questions, please call our Technical Hotline at: 1-800-416-8628, 7:00 am - 5:00 pm, Pacific Standard Time, Monday through Friday or e-mail us at Edelbrock@Edelbrock.com.

DESCRIPTION: This is a USB to Serial communications adapter cable. It is used to convert a Laptop or PC USB port to a 9-pin RS232 serial communications connector. This item is included in all QwikData Data Acquisition and Edelbrock EFI kits. Software drivers are included on the supplied CD.

KIT CONTENTS

1 USB-to-Serial Adapter Cable

SYSTEM REQUIREMENTS

Hardware – A USB-enabled PC or Laptop

Software – Microsoft® Windows 98SE/ME/2000/XP

INSTALLATION: The drivers for the USB-Serial Port adapter cable are located on the supplied CD.

Microsoft® Windows Installation

Insert the disc into your CD-ROM drive and click on “Install USB-to-DB9”then follow the onscreen prompts.

NOTE: You may use the same program to un-install the driver if desired. Run the “PL-2303 Driver Installer” program again and follow the prompts to un-install the driver.

TROUBLESHOOTING: If the adapter is not communicating after installation of the driver, follow the troubleshooting suggestions below.

Many serial devices will not operate on a COM port higher than 4. If the COM port is higher than 4, change it to a lower number using the Device Properties.

To change the assigned COM number, go to the Start menu, click Control Panel then System. Select the Hardware tab and then Device Manager. Select the category “Ports (COM & LPT)” and right click the device “USB-to-Serial (COM x)” (Or a similar name. “X” represents the assigned COM number). Click the Port Settings tab, then the Advanced button. A box will be in the lower left corner to assign a different COM port to the adapter.

NOTE: This procedure applies only to Windows 98SE, ME, 2000, and XP.

Edelbrock Corporation • 2700 California St. • Torrance, CA 90503

Tech Line: 1-800-416-8628E-Mail: Edelbrock@Edelbrock.com

Catalog #91147

©2008 Edelbrock Corporation

Rev. 4/08 - AJ/mc

Brochure #63-91147

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Edelbrock 91147 brochure Installation Instructions, KIT Contents, System Requirements, Microsoft Windows Installation

91147 specifications

The Edelbrock 91147 is a high-performance carburetor designed for enthusiasts looking to enhance the capabilities of their automotive engine. This specific model is part of the Edelbrock Performer series, known for delivering improved throttle response and increased horsepower, making it an ideal choice for both street and mild racing applications.

One of the standout features of the Edelbrock 91147 is its innovative design. It boasts a fully adjustable electric choke that provides better cold starts and facilitates perfect tuning for different environments. This is crucial for performance, as it ensures the carburetor operates optimally regardless of external conditions, enhancing overall engine performance.

The carburetor has a signal booster integrated into its design, which enhances the air-fuel mixture across the entire power band. This results in improved acceleration and responsiveness, making it perfect for performance-driven applications. The 91147 is also equipped with calibrated jets and metering rods, allowing for easy adjustment of the air-fuel mix, which is vital for maximizing performance and efficiency.

Another notable characteristic is its lightweight aluminum construction, which not only aids in performance but also ensures durability. The carburetor is designed to withstand the rigors of high-performance driving while maintaining weight efficiency. The surface finish of the 91147 is also a consideration; it is crafted with a durable finish that resists corrosion and enhances aesthetics.

Furthermore, the Edelbrock 91147 features a dual-feed fuel inlet, which ensures consistent fuel delivery under high-demand situations. This feature is critical for high-revving engines, where fuel delivery can often become an issue.

The installation process of the Edelbrock 91147 is user-friendly, designed to fit various engine configurations with ease. This makes it a popular choice among DIY enthusiasts and professionals alike, who appreciate the seamless fit for most intake manifolds.

Overall, the Edelbrock 91147 carburetor is a reliable, high-performance solution that embodies advanced technology, ease of tuning, and robust construction. Whether you are a daily driver or a weekend racer, the 91147 offers a noticeable boost in performance and is a worthy investment for any serious automotive enthusiast. With its combination of features, technologies, and practical characteristics, the Edelbrock 91147 stands out as a top choice for performance carburetion.