Putting extractors and 2.5 inch exhaust on a 2000 diesel landcruiser

I am assuming you have the 1HZ engine. I put the Beaudesert Exhausts system on my 2003 1HZ powered wagon. It has Pacemaker headers and stainless mandrel bent pipes. The increase in power was noticeable in driving so I am guessing at about 10% increase from the original 96Kw. You can either drive faster with the extra power or drive the same as before and save fuel. I don't keep consumption records so I can't give actual numbers, but I am pleased with the improvement.

hi,
hi clone absolute con job,2 or 3 pieces of stainless steel placed in air intake.

Jill I did the changes to my 1HZ 1999, 75 series Troopy and it went from hopelessly slow on the take off to something bordering on acceptable. Felt like I was driving like I stole it when I first had it done.

Fuel wise I wouldn't know as I never bother, mind you I rarely tow so I just want the power and don't worry so much about consumption, but I think I'm saving a bit.

Still a slow slog up hills but way better than before.

I think if you're really keen on saving fuel and want more grunt and can afford around the $6k mark I'd be looking at getting a turbo and intercooler having compared mine with the extractors against my mate who's is turbo'd.

Cheers

Dunc.

There's a lot of sneering about Hiclones as being as useless as all the other "fuel-saving" gimmicks that have no basis in scientific fact.

However, I installed a Hiclone in my turbodiesel auto HZJ80 Cruiser way back in 1992, and I measured an average of around 2-3% improvement in fuel economy. It's not huge, but it was measurable.

The Hiclone website claims 10-20% gains. This is just pure marketing BS. The gain is only small.

The principle of adding swirl to intake air in diesels is well known, and I came across this principle in 1962, when Allis Chalmers advertised the improved fuel efficiency of their newly-redesigned "Thousand Series" direct injection engines.

The new A-C diesels had a projection, termed a "mask" in A-C literature, on the back of the head of the intake valve.
This projection was specifically designed to add swirl to incoming intake air, to ensure a fine and even distribution of the diesel droplets in the combustion chamber.

Diesels fuel efficiency relies on even and very fine distribution of the fuel droplets with the incoming air. Large droplets of diesel unevenly dispersed in the fuel-air mix result in incomplete combustion. Incoming air swirl produces better results at higher RPM (2000 RPM and upwards).

As to the Hiclone results with petrol engines, the claims are somewhat spurious. A petrol engine does not rely on very fine fuel droplet distribution with the air, as diesel fuel does. Diesel fuel is a relatively slow-burning fuel, and trying to say the results are the same with petrol and diesel engines is marketing BS at its best.

The Hiclones used to be very high priced (I seem to recall about $160 or $180 in the early 1990's), but no doubt they're more reasonably priced today. For the investment of a few dollars, the Hiclone will probably gain you a few extra dollars in a diesel over a lengthy period of time - but as to major fuel savings - definitely, No.

Jill,
I have a 2000 nat aspirated 100series cruiser and I fitted a set of extractors and a 2.5"exhaust system and I found when I first drove it home I felt that he performance had improved from slug to snail. After a short period I found the improvement hard to discern.
About 12 months ago, I fitted a good quality turbo by a turbo specialist in Adelaide and the difference is amazing. It only runs a 6lb boost so puts little pressure on the big end bearings.
I tow a camper trailer and now I have the ability to overtake a vehicle without the need of a tailwind and downhill.
Yes I'm a happy camper now.