1978 Holden HZ – Turbocharged LY6 Street Machine | Ipswich QLD
This impressive 1978 Holden HZ is a serious Australian classic with plenty of performance under the bonnet. Based in Ipswich, Queensland, this HZ combines classic Holden styling with modern LS performance and serious turbocharged power.
At the heart of this build is a built LY6 engine, professionally built by Paul at Mad Racing Engines, paired with a G42-1450 turbocharger. Power is delivered through a TH400 transmission and a tough 9-inch differential.
The setup also features a Haltech Nexus Rebel LS ECU and Haltech iC-7 digital dash, bringing modern engine management and monitoring technology to this classic Holden.
With the combination of the built LY6 and G42-1450 turbo, this HZ is expected to produce over 1,000 horsepower once the tune is finalised.
Build Specifications:
- 1978 Holden HZ
- Built LY6 engine
- Engine built by Paul at Mad Racing Engines
- G42-1450 turbocharger
- TH400 transmission
- 9-inch differential
- Haltech Nexus Rebel LS ECU
- Haltech iC-7 digital dash
- Expected power output of over 1,000HP after retuning
A fantastic example of Australia's performance car culture, this Holden HZ represents the combination of classic Australian muscle, modern LS technology and serious turbocharged performance.
Based in Ipswich, Queensland, and proudly representing the Australian muscle car scene.
Discover more Australian muscle cars, classic Holdens, street machines and performance builds on Dynamic Framez – Australia's home for classic cars and automotive culture.
This impressive 1978 Holden HZ is a serious Australian classic with plenty of performance under the bonnet. Based in Ipswich, Queensland, this HZ combines classic Holden styling with modern LS performance and serious turbocharged power.
At the heart of this build is a built LY6 engine, professionally built by Paul at Mad Racing Engines, paired with a G42-1450 turbocharger. Power is delivered through a TH400 transmission and a tough 9-inch differential.
The setup also features a Haltech Nexus Rebel LS ECU and Haltech iC-7 digital dash, bringing modern engine management and monitoring technology to this classic Holden.
With the combination of the built LY6 and G42-1450 turbo, this HZ is expected to produce over 1,000 horsepower once the tune is finalised.
Build Specifications:
- 1978 Holden HZ
- Built LY6 engine
- Engine built by Paul at Mad Racing Engines
- G42-1450 turbocharger
- TH400 transmission
- 9-inch differential
- Haltech Nexus Rebel LS ECU
- Haltech iC-7 digital dash
- Expected power output of over 1,000HP after retuning
A fantastic example of Australia's performance car culture, this Holden HZ represents the combination of classic Australian muscle, modern LS technology and serious turbocharged performance.
Based in Ipswich, Queensland, and proudly representing the Australian muscle car scene.
Discover more Australian muscle cars, classic Holdens, street machines and performance builds on Dynamic Framez – Australia's home for classic cars and automotive culture.
