J&C Transmission And Performance

07/15/2026

6l80/6l90

A properly calibrated transmission tune can help extend transmission life because it reduces unnecessary clutch and torque converter slip. Excessive slip creates heat, and heat is one of the biggest contributors to transmission wear.

By optimizing shift timing, line pressure, and torque converter lockup, the transmission spends less time slipping during shifts and while cruising. That can help lower transmission temperatures and reduce wear on the clutch materials.

A tune isn’t a repair for a worn or damaged transmission, and it can’t guarantee a longer lifespan. But on a healthy transmission, a well-designed calibration can reduce unnecessary wear while improving drivability and efficiency.

07/15/2026

For customers interested in the technical details. 6l80/6l90

Inside the transmission are multiple clutch packs and a torque converter clutch. Every time the transmission shifts or the converter locks, those clutches create some heat and wear while they engage.

Our calibration adjusts shift timing, clutch pressure, torque management, and converter lockup so those clutches apply more efficiently. Less unnecessary slipping means less heat, more consistent shifts, and improved durability. We use data logging to verify that the transmission is operating correctly before making adjustments, rather than simply making the shifts feel harder.

07/15/2026

6l80/6l90

We tune the transmission to make it operate more efficiently and more consistently. The factory calibration is designed to satisfy millions of drivers in every climate and driving condition, so it’s very conservative.

By carefully adjusting the shift schedule, torque converter lockup, line pressure, and torque management, we can improve how the transmission responds to your specific vehicle and driving style. The benefits can include smoother or quicker shifts, reduced unnecessary converter slip, lower transmission temperatures during cruising or towing, improved fuel economy in some situations, and less wear caused by excessive slipping.

We don’t just make the transmission shift harder—we make it shift smarter. Every change is based on data logging and testing to improve performance while maintaining reliability.

07/14/2026

07/13/2026

WANT MORE POWER & PERFORMANCE?

J&C Transmissions & Performance got you covered!

We handle:
✔️ Performance Builds
✔️ Transmission Upgrades
✔️ Custom Work

Built right. Built to last.

📍 Fort Worth, TX
📞 682-540-9317

DM now — spots fill fast

07/13/2026

Transmission repair/rebuild completed, including diagnostics, labor, and installation of required parts. Vehicle has been tested and is ready for pickup.

🚗 HAVING TRANSMISSION PROBLEMS?

Slipping? Hard shifts? Not moving?

At J&C Transmissions & Performance, we get you back on the road FAST 💪

✅ Diagnostics Available
✅ Rebuilds & Repairs
✅ Honest Pricing
✅ Fast Turnaround

📍 Fort Worth, TX
📞 Call/Text: 682-540-9317

Message me now for a quote!

01/05/2026

2011 Cam Swap With DoD Delete upgraded cam with springs oil pump all new gaskets lifters tuned stage 2 Cam Customer wanted Pink and it came out pretty good

01/05/2026

4l80 Built and 40k cooler installed and 3200 FTI stall
Also even put 2-12” Nemesis audio subs With a xtra battery 🫡🙏

01/05/2026

4l80 Rebuilt installed