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Turbocharging an older car

Asked by Janet Hazeldene

MY SON-IN-LAW has a 1998 Mitsubishi Triton V6 manual dual-cab ute, on which he has spent squillions, from a new diff, clutches, new motors et cetera. He uses it to tow a work trailer, but is worried that it won't last in the long term. He has $50,000 to spend on a dual-cab ute that can tow 2.6 tonnes, but has been advised that Aussie dual-cabs are not strong enough for constant towing of these weights. He is not sure whether he should buy a turbodiesel or a petrol engine, or manual or auto transmission. I suggested maybe he could turbo his current ute, but he was told that the pistons et cetera would have to be changed.

Answered by CarsGuide

25 Sep 2008 Graham Smith

I wouldn't recommend turbocharging a 10-year-old engine without rebuilding it first. It would need to have new pistons anyway, and I would err on the side of caution and go through it from top to bottom to make sure it will be up the job. The best way for him, in my opinion, would be to buy a diesel. They're all turbocharged these days and have the torque to tow the 2.6 tonnes he needs to tow. Most will tow up to three tonnes, but if he were towing that weight every day I would consider an aftermarket heavy-duty clutch. We have heard reports of clutch problems with the Toyota HiLux when towing. The commonly held view is that they're geared for highway use, which puts the clutch under pressure when it has to tow a substantial load.

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