Transmission GM 8-Spd 8L90-E LT4
Chevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT4 crate engines
A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps enhance cruising efficiency.
=> 8-SPEED AUTOMATIC | 664 LB-FT TORQUE LMT
Additional highlights:
• Four gearsets for greater efficiency.
• Five clutches: two brake clutches and three rotating clutches.
• World-class upshift speeds.
• Friction-reducing features include synthetic fluid.
• Gear ratios: 1st: 4.56, 2nd: 2.97, 3rd: 2.08, 4th: 1.69, 5th:1.27, 6th: 1.00, 7th: 0.85, 8th: 0.65, reverse: 3.82.
• Controller and harness included.
• Torque converter included (engine specific).