Holden Monaro CV8 Gearbox Specifications and Gear Ratios

The Holden CV8, part of the iconic Monaro lineup, is equipped with drivetrain options designed to enhance performance and driving experience. The manual models typically feature a 6-speed Tremec T56 gearbox, well-known for its durability and smooth shifting. This gearbox is favoured for its ability to handle the high torque output from the CV8's powerful 5.7L LS1 V8 engine. The gear ratios for the Tremec T56 are: 2.66:1 for first gear, 1.78:1 for second, 1.30:1 for third, 1.00:1 for fourth, 0.74:1 for fifth, and 0.50:1 for sixth. These ratios provide a balance between strong acceleration in lower gears and fuel efficiency at highway speeds in the higher gears. The automatic variant, often paired with the 4L60E 4-speed transmission, offers gear ratios of 3.06:1 for first gear, 1.63:1 for second, 1.00:1 for third, and 0.70:1 for fourth, ensuring smooth and reliable performance. The gearbox options in the Holden CV8 are designed to complement its sporty yet refined driving dynamics, making it a favourite among enthusiasts.

Holden Monaro CV6 Gearbox Specifications and Ratios

The Holden Monaro CV6, a celebrated Australian sports coupe, comes equipped with a robust 5-speed manual gearbox designed to deliver a dynamic driving experience. This transmission is specifically engineered to complement the 3.8-litre supercharged V6 engine, ensuring smooth power delivery and precise gear changes. The gear ratios are optimised for both performance and efficiency, with first gear providing strong acceleration, while the higher gears are configured for cruising and fuel economy. The approximate ratios for the manual gearbox are: 1st – 3.37:1, 2nd – 2.02:1, 3rd – 1.35:1, 4th – 1.00:1, and 5th – 0.68:1, with a final drive ratio typically around 3.46:1. These specifications make the Holden Monaro CV6 a versatile vehicle, capable of delivering thrilling performance on the open road while maintaining practicality for everyday driving.

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Holden Monaro GTS (1968–1978): Manual Gearbox Specifications and Fluid Details

The Holden Monaro GTS, produced between 1968 and 1978, remains an iconic Australian muscle car, admired for its performance and style. This classic vehicle came equipped with a range of manual gearbox options, tailored to deliver both power and driving precision. Gear ratios varied depending on the specific transmission model, with close-ratio and wide-ratio configurations available to suit different driving preferences. Commonly featured were 4-speed manual gearboxes, such as the Muncie or Saginaw units, which were engineered to handle the power of the Monaro's robust engines. As for lubrication, these transmissions typically require high-quality gear oils adhering to GL-4 or GL-5 specifications, ensuring optimal performance and longevity. Regular maintenance, including checking and replenishing gearbox fluid levels, is essential to preserve the smooth operation of these vintage transmissions. When servicing, always consult the vehicle’s service manual or a trusted specialist to confirm the correct fluid type and capacity for your specific Monaro model.