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Nissan GU Patrol

By Mark Allen, 12 Aug 2011 Custom 4x4s

Modified Nissan GU Patrol

It’s what’s under your kilt that matters – chipped, intercooled, turbo-diesel Toyota engine gets the wind up this Nissan.

It’s what’s under your kilt that matters – chipped, intercooled, turbo-diesel Toyota engine gets the wind up this Nissan.

Some may say that Mick Whitehead (the owner of this red-hot GU ute) has dropped a Toyota engine into a Nissan body. Others would prefer to suggest he’s wrapped a Nissan body around a Toyota engine. Some will no doubt call this transplant total sacrilege with brand mixing at its finest… or foulest, depending on which camp’s flag you may wave. Others will welcome him to an astute and elite club whereby he has the best of both worlds that no one vehicle maker has been able to deliver – a supremely capable 4X4 with coil springs all round and a comfortable cabin, combined with one of the finest 4X4 diesel engines money can buy that delivers huge torque, good fuel economy and excellent reliability.

Either way, this melding of the two (arguably) most popular brands of 4X4 sees Mick with an extremely capable vehicle for touring and fair dinkum off-road prowess. What this GU can’t tackle is probably not worth tackling!

Kicking off with the ute he’s owned since new in 2001, complete with the Nissan 4.2-litre naturally-aspirated diesel anchor, Mick has peddled it for just on 10 years in various guises – comp vehicle, tourer, with aftermarket turbo, airbox, exhaust and suspension upgrades. While the GU did improve over time, Mick needed (or just plain ol’ wanted is more like it) a better tow vehicle and highway performer. So, as part of that elite club we’ve mentioned above, he duly decided on a Toyota 1HD-FTE engine, transfer case and gearbox conversion. Having developed this exact conversion over some years, Jason Dymock at Total Care 4WD was the chosen workshop to be allowed to touch Mick’s pride and joy.


Much of Mick’s GU ute had been tried and tested over a long period of outback use and so wouldn’t be touched. The Old Man Emu four-inch suspension with rear (in-coil) adjustable Airbag Man airbags, the two-inch body blocks and those cool-looking alloy Classic II Mickey Thompson rims with 315/70R16 Cooper STT rubber all stayed as is. The ARB barwork with Warn 10,000lb electric winch, huge rear-mounted 180-litre fuel tank and mid-mounted 60-litre water tank, together with the four IPF spotties (two halogen and two HID), super-comfortable Recaro pews, dual (GME and ICOM) UHF radios, various running gear-related gauges and trick camping tray with canvas canopy all stayed put – hey, what a tops set-up!

Mick had a few other mods that had developed over time to get the whole show rolling better, which luckily could also remain untouched: Nissan 4.6:1 ratio diff gears stuffed with ARB Air Lockers being the biggie, which kept cruising revs just right when combined with the larger diameter rubber. Then there are the lockers that would never be removed in a pink fit – a great weapon off-road regardless of engine type!


To make the whole job a little lighter on the hip pocket, Mick managed to sell off his Nissan engine, gearbox and transfer case which were all in top nick. In their place, he’s opted for a LandCruiser 4.2-litre 1HD-FTE engine, with transfer case and five-speed auto from a 100 Series Cruiser wagon with full-time 4X4. Yep, this ute is now a push-button, selectable 2WD to AWD for on-road use, with centre diff lock for off-road.

Apart from that brilliant intercooled turbo-diesel engine, Mick opted for a Steinbauer engine management chip upgrade with a three-inch custom-bent exhaust system and a custom-made top mount air-to-air intercooler sucking through a whopping bonnet-mounted air intake. (Too much power is never enough I say!) Mick and the lads at Total Care 4WD figure the upgraded Nissan pumps out (roughly) 560Nm and 195kW… whew, that’s damn impressive!

A gaggle of gauges reside on both the A-pillar and passenger-side dash to keep track of everything that moves on Mick’s truck. Temperatures for engine, gearbox, exhaust, plus turbo boost and oil pressure all serve to alert if something should go awry.

Having crawled all over this conversion, you’d be hard-pressed at picking it wasn’t standard. It looks like it belongs and obviously has had enormous amounts of research done to ensure all went together like a jigsaw. The complete upgraded Toyota driveline runs smoothly in conjunction with the standard original Nissan steering and suspension. It delivers far superior power and torque outputs on the open road and has proved itself on a few long-distance shake-down runs, as well as offering cracking low-range, off-road ability.

When we first met up with Mick, he insisted we jump in for a quick squirt up and down a few steep and winding high-speed back roads. Wow! Why wasn’t this done from the factory? The whole show looks and feels 99.9 percent factory-built. It runs smoothly, maintains its temperatures, brakes well, handles better than standard and has bucket loads of power to climb, overtake and haul Mick’s caravan. Perhaps if we shout loudly enough, a new marque may emerge … say Nissota or ToyTrol – who knows, it’s worth a try!

Some will say that if you have to rebuild a vehicle, or swap, change and modify too much of it, then you’ve purchased the wrong one in the first place. I’d tend to say that if no one maker can provide what you want – build the bloody thing yourself and have the best of both worlds. Well done Mick for having the cashews under your kilt to be different.