By leshbySeptember 14, in Hilux Club. Hello I had a toyota hilux lnr 4x4 dual cab diesel 3. My fuel economy is really bad. I have only had this vehicle for 6 months and am learning about diesels. Which i consider to be high. It sounds like its working to hard. The tyres on the car are 31 x The speedo seems to be 5 kms over at So when doing kmh im doing kms.
Is there anything i can do or change to bring the revs down and conserve fuel. It's 4WD ute - they're normally undergeared in top so they can haul loads. Gearing sounds about right. My asprirated 5L did it constantly. LNR 4x2 Be careful, the 5L is not often turboed because it's too close to the thermal limitations of the iron head - overheating if driven too hard, is just too easy to do.
You would benefit from good extra gauges if you watched them intelligently. Be content, don't flog it along, do the maintenance on time and it will be fine. As a rough guide, you will produce about 3.
Petrol engines cannot get anywhere near that. They do have more total KW, but lack the low speed torque of a diesel. Also, running your motor beyond abt rpm invites fuel wastage, as the fuel doesn't all burn before the ehaust valve opens. The 5L will take rpm, but it would have terrible mileage up there. Hey manxman. Is the rev range correct. I presumed it would b lower.
Is the tire sizes ok. Is there anything i can do to reduce the fuel consumption. I am having the turbo housing and exhaust manafold ant part of exhaust to next joint ceramic coated to cut down heat. The only things you can do are to slow down, and improve aerodynamics - Over diameter wheels are prob illegal. Maintain tyre pressures on the high side - but watch the wear pattern.
Drive gently, partic in traffic or suburbs. Changing diff ratios is not easy, and is expensive. Keep coaster hubs on freewheel but engage 4WD at least monthly for 0.
If automatic, it's almost a lost cause - as torque converter slip is always going to kill your economy. Keep vehicle as empty as possible, keep windows up at speed, use aircon sparingly. You can post now and register later. If you have an account, sign in now to post with your account.All this takes money and we rely on ads to keep the lights on. Please consider unblocking ads for 4x4earth.
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VZ Diff ratios
Hilux rear diff ratios. Thread starter 01rickster Start date Jun 26, Theres a Toyota Hilux ratio rear diff centre lockright locker for sale and I was wondering if anyone can tell me what the standard ratio would be in a LN 4x4 2.
I'm running 15 inch rims with 31's tyres if this helps. Would that diff centre be suitable for my setup? Thanks in advance. Theres a theory that that goes like this But this is only for factory fitted centres, so if the centres in yours have been upgraded, or replaced with other ratios, this theory means nada.
Last edited: Jun 26, You must log in or register to reply here.The majority of these vehicles were sold as pickup truck or cab chassis variants, although they could be configured in a variety of body styles. In North America, the popular option package, the SR5 Sport Rally 5-Speedwas colloquially used as a model name for the truck, even though the option package was also used on other Toyota models, like the to Corolla. The Hilux started production in March  as the RN10 in short-wheelbase form with a 1.
In Aprila long-wheelbase version was added to the range. The short-wheelbase version also continued in production for many more years. In spite of the name "Hilux", it was a luxury vehicle only when compared to the Stout.
The Hilux was engineered and assembled by Hino Motors to replace the earlier vehicle that the Hilux was derived from, called the Briska  in the niche beneath the larger and older Stout — it replaced the Stout fully in some markets. For the North American market, the only body style was a regular cab short bed and all were rear-wheel drive. It used a typical truck setup of A-arms and coil springs in front and a live axle with leaf springs in back.
A four-speed manual transmission was standard. In May the model year Hilux was introduced, designated the RN The 2. The Hilux was radically redesigned in to be larger and with increased standard equipment.
In North America, the new version also meant the introduction of the considerably larger 2. A five-speed manual transmission became optional. In North America, the Hilux name was fully phased out in favour of "Truck" by that year, having been dropped from brochures and advertising campaigns, starting in Some North American motor-coach manufacturers began building Toyota motor-homes from the Hilux.
The redesigned Hilux was introduced in August with a 4WD variant introduced in January The Australian market received the 1. In North American markets the Hilux known as the pickup saw the use of four-wheel drive. It had a solid front axle and leaf suspension. The body saw a redesign that included single round headlights and a less complex body. This transfer case is unique in that its low-range reduction portion can be replicated, using what some refer to as a dual or triple transfer case.
This results in a much lower overall gear ratio. Ina vehicle development agreement was established between Toyota, Winnebago Industries and two other aftermarket customisers. The vehicles which resulted from this collaboration were the Trekker WinnebagoWolverine, and the Trailblazer Griffith. The August redesign sold as model year vehicles in North America introduced the Xtracab extended cab option, with six inches of space behind the seat for in-cab storage.
These models carried over the carbureted 22R engine while model year also saw the introduction of the fuel injected 22R-E engine. Two diesel engines were also offered, the 2L and the turbocharged 2L-T. The engines were discontinued in the U. The next year saw the introduction of a turbocharged option, the 22R-TEperhaps due to increasing competition from Nissan who already offered a V6 truck at this time.
Solid front axles had been present in all 4x4 Toyota models until In late for the model year, the truck went through a minor interior and exterior redesign, that included a new grille, a new 1 piece front bumper, an updated interior with full high door panels with faux leather stitching on the base and DLX models, the gauge cluster surround was more rounded and featured faux leather stitching on it, the dash pad featured a shorter tray than earlier models, the steering wheels were changed from black to gray, red, brown, or blue depending on the interior color, the radio bezel was also color matched to the rest of the interior, the SR-5 tach gauge clusters had the pattern on the face changed from a grid pattern to horizontal lines, the outside door mirrors were also changed to have a more stream lined appearance, the faceplate for the heater controls was also redesigned.
A V6 engine was introduced in The Hilux-based 4Runner which made its entry in Australia, North America and the United Kingdom was based on this generation of the Hilux; in some other markets, such as Japan, it was called the Hilux Surf. Toyota introduced a new generation of the Hilux in most markets in late but the fourth generation remained in production until in South Africa.Use our gear ratio calculator to find the changes to gear ratio when going to a different tire size.
Both the effective and new gear ratios are calculated. Use our gear ratio calculator to find the effective gear ratio your vehicle will have with a new tire size. Also calculated is the new gearing you would need in order to return back to your original gear ratio when going to a bigger or smaller tire.
Input your stock and new tires sizes along with your original gear ratio. Click "Calculate" to find your new effective gear ratio and the gear ratio needed to return your vehicle back to stock gearing. Changing tire size will ultimately affect the power and drivability of your vehicle. If you are looking to retain your stock feel or change your gearing to the optimal ratio, then you will need this gear ratio chart to do so. Using the chart, first cross reference your current gear ratio and tire diameter to find your approximate RPM at 65 MPH.
Then reference your new tire diameter with your choice of RPM to find the new gear ratio needed to supply you with that RPM. This chart is based on a drive gear of at 65 MPH using a manual transmission. Automatic transmissions will run a slightly higher RPM do to slippage. If you are using the calculated diameter, multiply that number by.
If you are measuring your tire, measure from flat ground up to the center of the hub and multiply that number by 2. Gear Ratio 2. Tire Size Tools. Tire Categories. Popular Sizes.This listing is for part or sub-assembly number given below only.
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Differential Ratio selection
This amount is subject to change until you make payment. For additional information, see the Global Shipping Program terms and conditions - opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees. For additional information, see the Global Shipping Program terms and conditions - opens in a new window or tab. Estimated between Mon.Login or Sign Up. Posts Latest Posts. Page of 2. Filtered by:. Previous 1 2 template Next. I have an old RN30 hilux with a 12R in it.
I found a set of extractors and a webber for it when I was cleaning out a shed the other day. I will only bother putting them in if I can find a diff with better ratios than whats in there. At the moment I don't even use first because it's pointless Does anyone know what ratio diff is in there and if there is a taller centre that I can just bolt in? Tags: None. Turns out, far too much has been written about great men and not nearly enough about morons.
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Andrew Bolt. See if there is a Toyota ID plate on the guard or firewall. The second code will be "Gxx2". G means it is an 8" crown wheel, and the 2 means it is a 2 pinion non LSD.
The xx is the Toyota code for the diff ratio. See here for what I mean. My suspicion is that it will be 4. Another Hilux or Hiace diff should bolt in, but many old 's Hiaces have diff ratios of the order of 5.
How to Choose the Right Axle Ratio for Your Pickup Truck
Hiace ID plates are found directly below the passenger seat - took me a while to find. Proudly presenting the new foot long chocolate Subway. A friend of mine used to have an RN30 with a 12R, it did crazy revs on the highway so I looked up the diff code Chances are you have the same.
You should be able to pick up a 4. As for picking up an LSD, bulk easy. Expect to pay for one. That said, you'll have fun trying to spin one, let alone both, tyres with the 12R! It doesn't matter, you can mix-n-match diff parts easily as long as they're all G series parts. For example, RN30 diff housing, 3. Bung it all together and go rip some heli's in the wet. Well I went and checked out some wreckers today One place had a 4.
So for some reason I don't think I'll bother with the diff for now.The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging where packaging is applicable. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See details for additional description.
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