Texas Speed Chopacabra · HP Tuners · Remote Tune File

Chopacabra Cam Tune File

Remote Texas Speed Chopacabra cam tune files for GM LS and EcoTec3 trucks. Built for real idle quality, drivability, throttle response, and clean street manners.

Shop Chopacabra Tunes → Text Jason Build Your Tune
Texas Speed Chopacabra 1998–2006 GM LS 2007–2013 AFM/DOD 2014–2018 EcoTec3 HP Tuners Required
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Chopacabra Cam Tune Files

Choose the Texas Speed Chopacabra tune file that matches your GM platform. If you are not sure which file fits your truck, text Jason before ordering.

1998–2006 GM LS Chopacabra Cam Tune File
1998–2006 GM Chopacabra

1998–2006 Chopacabra Tune File

For Gen III GM LS 4.8, 5.3, and 6.0 truck builds running the Texas Speed Chopacabra cam.

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2007–2013 GM LS Chopacabra Cam Tune File
2007–2013 GM AFM/DOD Delete

2007–2013 Chopacabra Tune File

For Gen IV Silverado, Sierra, Tahoe, Yukon, and related LS trucks running Chopacabra with DOD/AFM delete.

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2014–2018 GM EcoTec3 Chopacabra Cam Tune File
2014–2018 GM EcoTec3

2014–2018 Chopacabra Tune File

For Gen V EcoTec3 5.3 and 6.2 Silverado / Sierra setups running the Texas Speed Chopacabra cam.

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What This Tune Fixes

  • Stable Chopacabra idle without constant stalling
  • Cleaner cold starts and hot restarts
  • Correct cam idle airflow, spark, fueling, and torque tables
  • Better throttle response and street drivability
  • DOD/AFM properly disabled when deleted

Built For These Setups

  • 1998–2006 Gen III LS 4.8, 5.3, 6.0 trucks
  • 2007–2013 Gen IV LS Silverado, Sierra, Tahoe, Yukon
  • 2014–2018 Gen V EcoTec3 5.3 and 6.2 trucks
  • Long tube headers, intake, converter, injector changes, and cam swaps

HP Tuners Required

This is a remote tune file service. You must have HP Tuners MPVI2, MPVI3, or MPVI4 to read your stock file and flash the updated tune. If you do not have a device yet, you can purchase MPVI4 or text Jason before ordering.

View MPVI4 → Ask Before Ordering

How It Works

01
Buy TuneChoose the file that matches your year, engine, and cam.
02
Read FileRead your factory ECM file with HP Tuners.
03
Email InfoSend your read file, order number, and full mod list.
04
Flash & DriveGet your tuned file back, flash it, and drive. Revisions included.

Why Choose J.R. Jones Racing?

  • Real-world Chopacabra tuning experience
  • Files built around your exact vehicle and combo
  • Up to 3 revision rounds included
  • Support from Jason directly

Need Help Choosing?

Not sure if you need the 98–06, 07–13, or 14–18 file? Text your year, engine, cam, and mods and Jason will point you to the right product.

Text: 910-231-5505
Email: Tunes@jrjonesracing.com

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Texas Speed Chopacabra Cam Tune File for GM LS Trucks

The Texas Speed Chopacabra cam is one of the most searched and most requested LS truck camshafts because it gives a hard chopping idle while still working well in street-driven trucks. A proper Chopacabra cam tune is what makes the truck idle, start, and drive correctly after the cam swap.

J.R. Jones Racing builds Chopacabra cam tune files for 4.8L, 5.3L, 6.0L, and 6.2L GM LS and EcoTec3 platforms. These tune files are built around common Silverado, Sierra, Tahoe, Yukon, Suburban, and LS swap combinations using HP Tuners.

If your setup includes long tube headers, a cold air intake, upgraded injectors, a higher stall converter, DOD/AFM delete, or other supporting mods, include that information when you send your read file. The more accurate your build info is, the better the tune file can be matched to your exact vehicle.