Upgrade your project car with a rebuilt GM torque converter for unmatched power and efficiency.…
GEARSTAR PERFORMANCEFebruary 26, 2025
GEARSTAR PERFORMANCE TRANSMISSION BLOG
The Ford AOD (Automatic Overdrive) transmission is a workhorse, powering classic Mustangs, Crown Victorias, and…
GEARSTAR PERFORMANCEFebruary 11, 2025
The GM TurboMatic 350 (TH350) is a legendary transmission, powering classic muscle cars, hot rods,…
GEARSTAR PERFORMANCEFebruary 3, 2025
The Turbo 350 (TH350) transmission is a 3-speed automatic transmission developed by General Motors in…
GEARSTAR PERFORMANCEJanuary 27, 2025
SUMMARY: Upgrade to a rebuilt valve body for firmer shifts, improved durability, enhanced control, and…
GEARSTAR PERFORMANCEJanuary 21, 2025
SUMMARY: The 6L80 transmission, a reliable 6-speed GM system, can develop performance issues due to…
GEARSTAR PERFORMANCEJanuary 13, 2025
A 3200 RPM stall converter (or torque converter) can enhance your 4L60E transmission’s performance for…
GEARSTAR PERFORMANCEDecember 31, 2024
Modifying your 4L60E transmission’s valve body can enhance shift performance and extend transmission life but…
GEARSTAR PERFORMANCEDecember 24, 2024
SUMMARY: Throttle valve cables manage the hydraulic pressure and shift timing of your transmission. When…
GEARSTAR PERFORMANCEDecember 20, 2024
Summary: Will a 4L80e swap-60E torque converter fit a 4L80E? The short answer is no.…
GEARSTAR PERFORMANCEDecember 16, 2024
Effective cooling is essential to maintaining the performance and lifespan of older GM transmissions like…
GEARSTAR PERFORMANCENovember 22, 2024
Wondering if the 4L65E transmission is stronger than the 4L60E? In short, yes. The 4L65E…
GEARSTAR PERFORMANCENovember 20, 2024
The 700R4 transmission is a classic 4-speed automatic transmission, held in high regard among car…
GEARSTAR PERFORMANCENovember 18, 2024
The GM 4L75E transmission is a high-performance automatic transmission ideal even today for car enthusiasts…
GEARSTAR PERFORMANCENovember 13, 2024
Will a 4L60E torque converter fit a 4L65E transmission? While doable, swapping from an older…
GEARSTAR PERFORMANCEOctober 25, 2024
The Turbo 400 (TH400) and 4L80E are two powerhouse transmissions, but which one delivers more…
GEARSTAR PERFORMANCEOctober 25, 2024
A bad transmission solenoid can cause delayed or erratic shifting, transmission slipping, or even failure…
GEARSTAR PERFORMANCEOctober 25, 2024
The 4L60E and 4L65E have many similarities, to the point that some car enthusiasts skip…
GEARSTAR PERFORMANCESeptember 30, 2024
The 4L70-E and 4L75-E transmissions are both upgrades of the 4L60 series, but they differ…
GEARSTAR PERFORMANCESeptember 19, 2024
