GM Auto

Chevrolet Performance 8L90E 8-Speed Automatic Transmission - LT1 Engine

Regular price £5,799.59 GBP inc VAT
Shipping calculated at checkout.
SKU: 8l90e-8-lt1-
Delivery ETA: Jan 03 – Jan 07
Backorder. We will confirm dispatch timings after checkout.
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Product Details

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Vehicle Compatibility

Fits Chevrolet Performance 8L90E 8-Speed Automatic Transmission - LT1 Engine.

Please refer to manufacturer specifications for complete compatibility information.

Key Features

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 Videos

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Product Specifications

Fitment
LT1
Forward Gears
8
Gearbox Type
Automatic
Transmission
8L80E
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Package Contents

Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.