jason
Guest
Dec 01, 2025
2:13 AM
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The 8l90 transmission is one of GM’s most advanced eight-speed automatics, engineered to deliver lightning-fast shifts, exceptional torque capacity, and improved fuel efficiency. Found in high-performance models like the Corvette, Camaro, and Silverado, the 8L90 uses a compact, lightweight design that offers quick response and strong acceleration. Its wide ratio spread helps engines stay in the optimal power band, while reducing RPM at cruising speeds. Strong internal clutches and advanced controls make it capable of handling both stock and modified engines. For builders and repair shops, the 8L90 is a popular choice due to its availability, tuning capability, and proven reliability. Used and remanufactured units are affordable compared to new OEM replacements. When serviced regularly—especially with proper fluid maintenance—the 8L90 offers long-lasting, high-performance operation. It remains a go-to option for GM enthusiasts seeking strength and precision.
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