Give Some Love for the 6.1

Discussion in 'Challenger SRT8 Engine & Performance Modifications' started by SRT-Tom, Nov 11, 2015.

  1. SRT-Tom

    SRT-Tom Well-Known Member Staff Member Super Moderator Article Writer

    Posts:
    7,061
    Likes Received:
    2,174
    Joined:
    Oct 2, 2011
    Location:
    southern New Jersey
    With the production of the 6.4 and 6.2 Hemis, the former 6.1 "top dog" engine is not getting much love. This engine, in factory condition, is good for a 13.0 sec. 109 mph quarter.

    Here are the impressive specs of the 6.1 SRT:

    Engine

    -6.1 Liter (372 Cubic Inches)
    -425 BHP @6,200 RPM
    -420 lb-ft. Torque @4,800 rpm
    -Iron Block with Reinforced Bulkheads;
    Aluminum Heads
    -OHV 2-Valve/Cylinder, Chain Drive
    -4.06 Bore, 3.58 Inch Stroke

    -10.3:1 Compression Ratio
    -2.08 Intake & 1.60 Exhaust Valves
    -Sodium-Filled Hollow Stem Intake Valves
    -External Dampers on Valve Springs
    -Electronic Sequential Port Fuel Injection
    -Cast Eutectic High-Load Flat-Top Alloy Pistons
    -Piston Oil Cooling Jets
    -Powder Metal High Strength Connecting Rods
    -Forged Micro-Alloy Steel Crankshaft with
    Tri-Metal Main Bearings
    -Ported Hemi Heads with Large Cross-Sectional Area
    -Billet Steel High-Strength Camshaft (.571/.551 in. lift
    283/286 degrees duration)
    -Cast Aluminum Intake Manifold, Core-Dipped Runners
    -High Flow Capacity Fuel Injectors
    -Windage Tray
    -Shorty Clamshell Exhaust Headers

    Drivetrain

    -5-Speed Getrag Automatic
    - 3.06:1 Final Drive Ratio
    -Sure-Grip Anti-Lock Differential-
    -Anti-Spin Rear Differential
    -Electronic Stability Program/Brake Assist
    -All-Speed Traction Control
    Brakes (Brembo System)
    -14.2 Inch Vented & Slotted Discs (front)
    -4-Piston Fixed Calipers
    -13.8 Inch Vented & Slotted Discs (rear)
    -Vacuum-Assisted ABS

    Wheels & Tires

    -Alcoa Forged Alloy (20 x 9)
    -Goodyear Eagle F1 245/45/ZR20

    Steering & Suspension

    -Rack & Pinion
    -Hydraulic Assist Steering (2.7 turns lock to lock)
    -Upper & Lower A-Arms, Coil Springs,
    Bilstein Tube Shocks (Front)
    -Multi-link, Coil Springs, Bilstein Tube Shocks (Rear)
    -Anti-Roll Bars (30mm front & 16mm rear)

    Exhaust

    -2.75 Inch Diameter Exhaust Pipes (Chrome Tips)
    -One High-Flow Muffler & Two Resonators