Chopped, 427ci FJ Holden two-door

This wild chopped Holden FJ coupe combines old-school tricks with a new-age vibe

Photographers: Chris Thorogood

Packing 574 HP, this glistening, heavily modified two-door Holden FJ is the jewel in Pro Customs’ crown:

This article on Pro Customs’ FJ was originally published in the May 2017 issue of Street Machine

Man, this FJ is the bomb!” I accidentally say out loud, to no one in particular. I’m out scoping cars for both business and pleasure at the Adelaide Auto Expo, and I’ve just spotted a heavily customised humpy glistening under lights. This silver FJ is a fusion of new and old, with all the classic custom FX-FJ tricks – chop top, flip bonnet, rollpans, recessed number plates, two-door conversion – but in a classy, modern-style build.

Holden FJ frontI feverishly hunt around but can’t locate the owner. Thankfully, there are prominent Pro Customs flags right beside the beast, so I’m soon in convo with Anthony Lanzotti and his talented Pro Customs team, the builders of this amazing ride.

Holden FJ rearWith a build of this calibre, there’s only one place to start, and that’s with a bare body. Anthony says they had the added fun of starting with a tinworm-infected example that had also received its fair share of knocks over the past 60-odd years. Thankfully they planned on binning a heap of it anyway, then modifying the rest.

Very little of this humpy remains untouched. The roof’s been chopped two inches, for that on-point, custom FJ look. Working lower, the Pro Customs crew have welded the back doors shut, then extended the fronts by 150mm using infill panels.

Holden FJ The forward-tilting bonnet kit is an AutoLoc product, but it required some serious tweaks to work with the FJ’s curvaceous hood. “The kit was designed to work with a flat bonnet, so it took a lot of mucking around to get it to work properly on the FJ,” Anthony says. “There are guides and rollers at the front and there was a lot of trial-and-error involved, but the owner really wanted it, so we went through the process. It probably took around 100 hours all up.”

Holden FJ front detailFurther forward are AutoLoc frenched headlights and an extensively made-over grille. “We used two grilles, and metal-finished it before re-chroming,” Anthony says.

And the guards? Yeah, they copped a heap of work too. “We split the guards in half and added three inches to widen them,’’ Anthony explains. At the rear, they’ve extended the lower rear panel, smoothed the boot, and added thin, flush-mounted Hagan Street Rods LED tail-lights. Both the front and rear are bumperless, a move so well-executed that only the keen enthusiast will pick it first go – the car looks like it was born that way.

Holden FJ underneathUnderneath is a flat floor from front to rear, with tubs to suit 15-inch-wide tyres. FJs were originally of unibody construction and need significant reinforcement to run V8 power, so the car now has a chassis fabricated from RHS steel. Suspension-wise, the rear leaf springs have been replaced by a parallel four-link rear end, while the kingpin front end has been replaced by an HR crossmember, suitably modified by Castlemaine Rod Shop. Complete with tubular arms and a steering rack, it goes a long way towards dragging the FJ’s ride and handling characteristics into the modern era.

You can’t go full-tilt on a build without adding some decent mumbo. In this case, it comes from a tough 574hp 427ci small-block Chev. It’s topped with an Edelbrock Victor Jr manifold fed by a 750cfm AED Performance carb. Below are Dart Pro1 heads and a Crane cam. Compression is at 10.5:1 thanks to JE pistons, while a Scat stroker crank affords a significant increase in cubes. An MSD 6AL ignition with Blaster SS coil ignites the PULP; the spent gasses then evacuate via custom 1¾-inch four-into-one headers through custom twin 2½-inch Magnaflow mufflers. The lot is cooled by an electric CSR water pump, Ron Davis radiator and thermos.

Holden FJ engineBolted behind is a toughened Coan TH400 with a 4000rpm stally. This sends power through a four-inch tailshaft back to a nine-inch, packed with 4.11s, Strange axles and full-floater hubs.

Viking coil-overs keep the shiny humpy stable, while Wilwood discs bring it to a stop. Bolted on all four corners are Billet Specialties Fuelies, with 18x7s under the front and beefy 20x12s wrapped in huge 29×15 Mickey Thompsons under the bum.

Outside, the team created a jewel by drenching the FJ’s body in PPG silver. Monaco Auto Trimmers then ruby-studded the gem by swathing the cockpit in red. They customised the Mazda seats and door trims, then covered it all in red Italian leather. The smoothed FJ dash houses a handful of Pro-Comp and Ultra-Lite Auto Meter gauges, and the classy custom theme is finished off with a Billet Specialties 15.5-inch Chicayne tiller and a B&M Pro Rachet shifter. There’s even a Kenwood stereo to provide the tunes, should the stroked V8 melody become humdrum.

But the truly beaut thing about this wild custom humpy is that it gets street-driven. “It passed engineering and rego inspection first go,” Anthony says. “It was hard to work out the mods and colours, trying to picture how it was going to look, so the best part was the paint and assembly. You know, it’s getting to the end of the build and you can see how the body curves and lines stand out.”

Holden FJ roof liningAnd he should be super-chuffed, because after five years in the making, the humpy received a raft of gongs at its 2015 Extreme Auto Expo debut. There, the stoked Pro Customs crew took home Best Street Machine, Top Innovation & Engineering, and a coveted invite to the 2016 Meguiar’s MotorEx Superstars.

Holden FJ gaugesMotorEx is no cakewalk, so Pro Customs brought their A-game, giving the FJ a hefty freshen-up before the big event. “It had been driven, so there were a few minor chips and scratches,” says Anthony of the respray they gave the car in preparation for showtime. And it sure paid dividends, with the judges getting a decent look at the work involved and awarding the ’55 two-door a Bronze medal in the Superstars Elite bodywork category.

Turns out I’m not the only one bowled over by FJ55!

Body Mods

• Two-inch roof chop
• Deleted rear doors
• Extended front doors
• Widened guards
• Customised forward-tilting bonnet
• Frenched headlights
• Custom tail-lights
• One-piece side glass
• Recessed number plates
• Custom exhaust cut-outs
• Deleted bumpers

Paint: PPG Silver

Donk: 427ci Chev
Intake: Edelbrock Victor Jr
Carby: AED Performance 750cfm
Heads: Dart Pro1
Comp ratio: 10.5:1
Cam: Crane
Pistons: JE
Crank: Scat stroker
Water pump: CSR electric
Ignition: MSD 6AL ignition control, Blaster SS coil
Fuel: PULP
Cooling: Ron Davis radiator and thermos
Exhaust: Custom 1¾in four-into-one headers, custom twin 2½in Magnaflow mufflers
Output: 574hp/594ft-lb

Gearbox: Coan TH400, Stage 2
Converter: 4000rpm stall
Tailshaft: 4in
Diff: Ford 9in, 4.11 gears, LSD, Strange axles, full-floater hubs

Front: CRS HR front end, Viking coil-overs, tubular arms
Rear: Parallel four-link, Viking coil-overs
Steering: Flaming River column, rack-and-pinion
Brakes: Wilwood discs (f & r)

Rims: Billet Specialties Fuelie; 18×7 (f), 20×12 (r)
Rubber: Mickey Thompson; 26×8 (f), 29×15 (r)

Wheel: Billet Specialties Chicayne 15.5in
Gauges: Auto Meter Pro-Comp and Ultra-Lite
Seats: Customised Mazda fronts, reshaped rear, by Monaco Auto Trimmers
Shifter: B&M Pro Rachet
Stereo: Kenwood