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Product Details
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Overview
State-of-the-Art Eight-Speed Technology
The 8L90-E represents the pinnacle of modern automatic transmission technology, offering eight forward speeds specifically adapted for LT-series crate engines. This transmission delivers exceptional performance with outstanding fuel efficiency.
Key Specifications:
- Type: Eight-Speed Automatic Transmission
- Electronic Control: Advanced electronic management with adaptive learning
- Weight: 375.0 pounds
- Engine Compatibility: LT1, LT4, and LT5 crate engines
- Design: Production-based with performance enhancements
Comprehensive Gear Ratios:
- 1st Gear: 4.56:1 (Numerically high for strong takeoff)
- 2nd Gear: 2.97:1
- 3rd Gear: 2.08:1
- 4th Gear: 1.69:1
- 5th Gear: 1.27:1
- 6th Gear: 1.00:1 (Direct Drive)
- 7th Gear: 0.85:1 (Overdrive)
- 8th Gear: 0.65:1 (Deep Overdrive)
- Reverse: 3.82:1
Advanced Performance Features:
- Wide 7.0:1 overall ratio spread for optimal efficiency
- Numerically high first gear for exceptional launch performance
- Double-overdrive ratios for maximum cruising efficiency
- Electronic shift control with multiple driving modes
LT Engine Integration:
- Specifically calibrated for LT1, LT4, and LT5 engines
- Two versions available: slip-yoke and fixed-yoke designs
- Optimized shift patterns for each engine's characteristics
- Seamless integration with LT engine management systems
Technology Advantages:
- Eight speeds provide optimal gear for every driving condition
- Reduced engine RPM at highway speeds
- Improved acceleration through closer gear spacing
- Enhanced towing capability with appropriate gear selection
This Product is a USA Special Order, and will take around 6 - 8 weeks to arrive, call to discuss options
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Product Specifications
Fitment
LT1
Forward Gears
8
Gearbox Type
Automatic