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LT1 TUNER / Injector Services

Fuel Injector Cleaning & Flow Testing

Ultrasonic cleaning, back-flushing and flow testing for supported top-feed port injectors, with a PDF report showing before-and-after flow data.

Ultrasonic cleaningBack-flushingNew filters & O-ringsBefore/after flow report
Email about injector serviceHow to send your injectors

What We Do

  • Measure injector flow before cleaning.
  • Ultrasonically clean and back-flush the injectors.
  • Replace micro-filters and O-rings on supported EV1 / EV6 injectors.
  • Retest flow after cleaning and provide before-and-after results.

You’ll receive a PDF flow report and recommendations if an injector cannot be recovered.

Pricing & Turnaround

$20 per injector

Cleaning and testing. An eight-injector set is $160.

Turnaround: 1–3 business days after arrival.

Rush service is available. Email to arrange it before shipping.

For shipping costs or questions about your injectors, contact LT1 TUNER before sending your set.

How to Send Your Injectors

  1. Include your service information. Add a note with your name, email, phone number, return shipping address, vehicle year/make/model, injector brand and part number if known, number of injectors, fuel type, base fuel pressure and symptoms.
  2. Pack securely. Cap both ends, bag the injectors, and cushion them securely for shipment.
  3. Ship your injectors to LT1 TUNER. UPS, FedEx and USPS are accepted.
LT1 TUNER
25520 Cashio Drive
Plaquemine, LA 70764

We’ll email your invoice and report when service is complete.

Include the service note inside the package so we can identify your injectors and return them to the correct address.

Supported Injector Types

Type / SystemConnectorNotes
EV1 / EV6 top-feed injectorsEV1 or EV6 / USCARMost GM multi-port applications.
Return-style and returnless systemsVaries by injectorInclude your base fuel pressure with the service information.

For other injector types or if you’re unsure about compatibility, email the injector part number before shipping.

Frequently Asked Questions

How do I place an order?

Send your injectors with the service information listed above. We’ll email your invoice and PDF flow report when service is complete. Email first if you have compatibility or shipping questions.

Do you replace filters and O-rings?

Yes. New micro-filters and O-rings are included for supported EV1 / EV6 injectors.

Can you test at my fuel pressure?

Include your base fuel pressure in your service note so we can test at that pressure. If your application has unusual pressure requirements, email before shipping.

What if an injector cannot be recovered?

Your report will include the before-and-after results and recommendations for the injector.

Questions Before You Ship?

Email Performancess@cox.net.

Business hours: Monday–Friday, 8:00 AM–4:00 PM Central. Closed weekends and holidays. Email anytime; replies are sent during business hours.