Lethal Injection LLC

Lethal Injection LLC Fuel injection tuning and advanced electrical diagnostics.

04/30/2026

I had to diagnose a bad EFI system and then get the tune right 💪. Call today to get your project on the schedule.

This car turned out great. Lots of power and real shiny 😎. I make the and my friend at Luminix Detailing And Ceramic...
04/29/2026

This car turned out great. Lots of power and real shiny 😎. I make the and my friend at Luminix Detailing And Ceramic Coating gives it that curb appeal.
Call today to schedule an appointment.

06/03/2025

These guys do great work. Check them out 😎

04/22/2022

Time for the engine swap.

04/21/2022

A quick look at the difference in weight of the springs and retainers on the 87 project.

04/21/2022

87 update! The customer decided to keep his original but I advised we upgrade the to beehive springs and retainers. The new springs have more pressure, handle more lift, and lighter weight than the originals.

04/15/2022

The is clean and looks good. The customer may want a more aggressive but only they can decide what's right for them. I can only present options and solutions.

04/14/2022

This 87 is a car I helped build many years ago. The owner sold it, regretted it, found it on Facebook, and bought it back. I have to go through the engine and get it rebuilt. It has performer rpm heads, stg 2 cam, and performer rpm upper and lower intake.

This had a family of mice in the heating system. The entire thing needed to be disassembled, washed, and the rotten p...
04/07/2022

This had a family of mice in the heating system. The entire thing needed to be disassembled, washed, and the rotten parts replaced. Lots of work, but it will be worth it.

11/25/2021

BIG NEWS! 🎉🚀 Hotrodvt.com is HERE! Learn how engines work, how to rebuild a ls1 engine, and how to tune it right with Megasquirt. Step by step, these short and to the point videos will show you how to get great results out of your next project. SIGN UP TODAY! 🏎🏎

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1150 Smith Court
Rocky River, OH
44126

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