Modified engines are the lifeblood of our sport and we love to showcase the most powerful, beautiful and inventive examples each year.
While V8s are a major focus, we cover almost anything of interest, including vintage engines such as the Ford flathead, late-model Japanese sixes and even Mazda rotary engines!
Blown 632-cube Kaase Boss Nine
The Polito name is synonymous with high-revving Pro Stock power, but this monstrous blown BBF destined for a customer’s ’39 Zephyr is something altogether wilder
4/71 blown, 202-powered EK Holden ute set to debut at MotorEx
There’s a cool EK ute set to be unveiled at MotorEx 2025, and it’s powered by this 500hp blown Holden six
Chevrolet W-series 348 & 409 V8s (1958–1965)
Launched in 1958, Chevy’s W-series big-blocks delivered brutal performance
ProFlo Performance-built, blown 383-cube Holden V8 combo
ProFlo breathes new life into this Holden V8, transforming it from nitrous-fed to blower-powered. The refreshed combo is destined for a customer’s VL Commodore
Whipple-blown 542-cube big-block Ford combo
Tim Gruber from Queanbeyan Engine Service pieced together this tough combo with a monster Whipple and 1500hp on tap for a customer’s F100 burnout car
Warspeed’s Harrop-blown 400-cube LS combo
Warspeed Industries push the small-cube boundaries with this Harrop-supercharged 400ci LS, destined for a tough street/drag VN Berlina
ProFlo Performance Harrop-blown, 427-cube LS
This 1225hp, 7.0L LS is destined for a customer’s HJ Holden show car, which will become a streeter and then possibly raced later on
Ford 427-cube SOHC ‘Cammer’ V8
The 427ci SOHC Ford V8 proved that the Yanks could go high-tech when they wanted to
Buyer’s guide: Late-model crate engines
Here’s the hottest late-model crate motors available right now – including some of the wildest bent-eights Detroit has ever offered!
Gen V: GM’s LT engine family
In the face of electric vehicles and overhead-cam Fords, General Motors’ pushrod small-block is now in its fifth generation. Here is our look at these latest-gen mills
BK Race Engines-built 393ci Cleveland V8
BK Race Engines crafted this retro-look 393ci Cleveland with concours-style details for a customer’s XY Falcon
Tech: Exploring the potential of force-fed Godzilla V8 conversions
We look at the viability and power potential of dropping Ford’s modern, 7.3L Godzilla small-block into a street machine
BK Race Engines-built 443ci Clevor combo
Destined for a customer’s XB GS hardtop, this 443-cube combo replaces the previous 630hp Clevo that Bill Kaglatzis also built, 20 years ago
Inside the C8 ZR1 Corvette’s 1064hp, quad-cam, twin-turbo LT7 V8
Delving into America’s most powerful production engine – GM’s new, 1064hp, twin-turbo LT7
Warspeed 427ci LS built for Finke Desert Race torture
Troy Worsley built this LS-based combo for a client’s Trophy Truck to handle the extremes of off-road desert racing
ProFlo Performance-built 400ci twin-turbo Holden V8 mill
Destined for the SIKJIM LH Torana, this 400ci twin-turbo Torque-Power Little Paw combo by ProFlo is expected to make over 2000hp
BK Race Engines 403ci twin-turbo small-block Ford
Australia’s quickest small-block Ford-powered car is set to get even quicker thanks to BK Race Engines
Ford Australia’s forgotten Barra V8
We take a look at the forgotten Ford Barra 220 V8, the estranged cousin of the legendary six-cylinder
VT Commodore LS1-to-LS3 engine swap
Dropping an LS3 into an LS1 Commodore isn’t as easy as it sounds
Warspeed 1520cc Toyota 5K combo
Warspeed’s Troy Worsley has rebuilt his KE38 Corolla wagon mill into a 1520cc monster