1hdt Vs 1hdft, Until this thread, I'd not been aware of any importan
1hdt Vs 1hdft, Until this thread, I'd not been aware of any important tech issues with 1hdt besides the well-known BEB problem. It made 250rwhp on 35's with the previous turbo, a garrett GTX3071R, on 35psi at 21:1, so a fair bit less fuel. but what are other differences? in terms of number of valves, SOHC or DOHC and hp and low end torque? Als… It's just the cost factor vs insurance value vs keeping the vehicle or getting another one. Injectors modified to work with the lower injection pressures. Hope you enjoy! Please Subscribe for more 4x4 videos! Nicko Show less The 1HDFT has a one-piece high-strength cast iron cylinder head which is mounted on a three-layer steel laminate type head gasket. The 12HT is capable of better fuel economy (real world) than the 1HDT, but not hugely better. Performance Parts Listings at www. Oct 18, 2023 · 10 1HD-T vs 1HD-FTE Engine Differences: Specs, Performance & Which to Buy Differences Between 1Hd-t And 1HD FTE Engines If you’re on the lookout for a high-performance Toyota diesel engine, then you’ve probably heard of the 1HD-T and 1HD-FTE, most likely. Guys please tell me the difference between these engines. Shaun Whale from 4wd Action has a 1HD-T in his 80 and that cruiser had seen more wild tracks and harsh conditions than you or I ever will, and has never had any major issues with it. This is an am 6 days ago · Compare Toyota 1HD-T and 1HDFT diesel engines: displacement, power, reliability, common issues, and real-world performance differences for Land Cruiser owners. The engine produces around 164 to 420 horsepower output and a torque level of about 316 to 430 Nm. 2-litre inline six-cylinder turbo-diesel engine with cast iron construction, direct injection, a single overhead camshaft and four valves per cylinder. I forgot to add something to the differences between 6LP and 1HDFT: The head is drilled and tapped differently for the valve cover. The injection pump is provided with FCVC (Fuel Cut Valve Control) in conjunction with the adoption of the engine immobiliser system. I don't see why any upgraded ct26 is worth more then $5-700, with machining and all. The last turbo I put on was a hybrid ct26 with 360 thrust washer and a 54 trim wheel and it boosted early and hard. Auto to Manual swap Hi guys, I currently have an automatic 1HDT 80 series, was looking into manual swapping. 1HD-FT Vs. The 1HD engine turned out to be not only very reliable and not whimsical, but its power indicators are quite impressive. 2L diesel engine in this comprehensive guide. The 1HDT has quite different manners to the 12HT. The jump to 24-valve was a look forward by Toyota to the future of emissions requirements and thus the need for higher combustion efficiency. The engine was designed with a straight-six configuration, having a direct injection system and a turbocharger. It’s up to you. No block/pump numbers: 1hdt BEBs - Reference to 150K miles unknown motor bearings okay, pic's 1HD-T minor pits, reference to 1HD-FT 50,000kms No6 craters, pic 1HD-T 114,000kms OEM bearings pitting, pics 1HD-T 110,000kms 1994 pitting: 1HDT Big End Bearings - 1991 HDJ81 with 132K Kms My 1HD-T Big End (Rod) Bearings pics. The 12HT does not have good bottom end grunt, the 1HDT does. After destroying my engine last weekend I've decided to replace the 1HDT in my 80series with the more modern 1HDFT 24valve engine. The 1HD-FTE motor has carbon-steel connecting rods and an aluminum alloy piston for high strength, lightweight and good heat conductivity; two compression and one Explore the legendary Toyota 1HDT engine, known for its robust torque, reliability, and fuel efficiency—perfect for off-roading and heavy-duty tasks. 1 HZ, 1 HD-T, and 1 HD-FT? 1 HZ is non turbo I guess. Is the 1hd-t worth a look at as the power and torque are quite close between the two engines. Introduction Toyota’s 1HD-FTE was a 4. Fuel Injection: The 1HD-FTE incorporates more advanced fuel injection technology for improved efficiency and Hi guys, Rang one of the local 4wd wreckers about a 80 series Cruiser with a 1hd-ft engine, sold unfortunately but he had a had a 1hz-t out of an import with supposedly low k's. ~John PS - in a 40 series, either one may end up being a handful MY 4WD SOUNDS LIKE A TRUCK! 3 INCH STRAIGHT PIPED 1HDT LANDCRUISER - best sounding 4wd Buying, driving then selling a 400hp 1HDFTE converted 105 series landcruiser. . The interesting debate for me (which im currently having with myself) is whether to rebuild by 1HDT (done 400k) at likely $12k NZD by the time you do pump and injectors and turbo, or 1HDFT swap. In a country where distances between service stations can be vast and conditions harsh, the toughness and relative fuel economy of a good diesel engine are deal-makers. The 12 V have more torque at lower rpm. What you can do is use 1HDT conrods, as they are stronger and use the 1HZT pistons, and upgrade to a better stronger 1HZ turbo. The Toyota 1HD-FTE engine offers robust performance with strong low-end torque and steady power delivery, making it ideal for off-roading and towing heavy loads. If you aren’t putting in more air (turbo), it’s probably fine. Perhaps the 24 V in highway runs a little bit more. However in some cases like my BJ60 adding another 1/2 in of exhaust diameter may be beneficial to low hoarse power engines. Learn how to choose between Toyota 1HDT and 1HD-FT cylinder heads by comparing specs, reliability, maintenance, and upgrade potential for your use case. Starting with the engine I used a late 12mm 1hz injector pump but a 1hdt , 1hdft and even a yanmar pump will work. 2 L (4,164 cc) straight-6 SOHC turbocharged direct injection diesel engine. Arguably better for freeway driving. Dec 21, 2025 guruvetim A 10w40 vs 5w30 engine oil Alpinus Mar 20, 2025 100 Series Replies 1 Views 959 Mar 21, 2025 Toyota 1HD-FTE – What is it? A diesel engine makes all sorts of sense for a touring off-roader designed to tackle the worst of the Aussie outback. I'm a 12HT fan myself, being old school and tractorish is a perfect fit in a 45 series IMO. Output is 122 kW (164 hp; 166 PS) at 3,600 rpm with 361 N⋅m (266 lb⋅ft) of torque at 1,400 rpm. different rear timing cover or modified rear timing cover to have the 2 bolt mounting (instead of the FTE 4 bolt mounting) different upper timing gear with smaller tapered hole to engage on the If I’d had it to do over again I’d go 1HDT or 1HDFT so much more potential for safe reliable power with the DI diesels. What would you guys take, 1HDT or 1FZ-FE? I've got a 1HDT running 38psi at 18:1 afr, currently with a gturbo. If you have the r151f trans then you should ditch it as it's derived from a car trans but used on the lighter side of the cruisers/prado/hilux, the 1hdt will destroy it. Hello I have one 1HDT 12 valves, personaly i prefer the 12 V to the 24 V ( 1HDFT ). com If you're looking for mechanical cruiser parts, give us a Discover the specifications, common problems, and reliability of the Toyota 1HD-FTE 4. E. But how often are you having computer breakdowns in your 1hdt fte?? These engines arnt new, they have proven themselves over a long period of time in the harshest conditions on earth and I never hear about computer dramas. 1hdft Multivalve turbo 80 vs 1hz turbo 80 series Landcruiser 4x4 Offroad. The simplicity of the design allows you As someone who has had 12HT,1HZ,1HDT swapped 40 series I can say that the 1HZ has the best fit in a short 40. Georg @ Valley Hybrids & Cruiser Brothers #terraintamer #valleyhybrids Georg Valley Hybrids and Cruiser Brothers www. Through discussions with Many client to determine what they used their 4WD – work or pleasure trips, off-road as well as on-road, Jap Engine Imports advised that in order to resolve these issues it was possible to completely replace his 1HZ with a 1HDFTE front cut, The 1HDFT Engine is a 24 Valve Mechanical type Turbo Diesel Engine. But sometimes people talk about it with mythical connotations. In the indirect injection 1HZ, combustion happens in the combustion chamber in the cylinder head. 1995 Toyota Landcruiser - 1HDFT - 5Speed - Locked - My Build Thread - www. 1HDFT & 1HDFTE observations-discussion Buddy, if you'd put as much time into creating a thread of your own asking your questions here on MUD, as you have in this thread ragging on @SNLC, you might have got the answers you needed already. Main bearing cap tightening procedure and torque specs: Step 1: 103 Nm; 10. [1] Bore and stroke is 94 mm × 100 mm (3. In my opinion, 1hdft is the better engine, but the patrol has the much better driveline and I’m finding it hard to work what one to Compare 1HDT vs 1HZ engines & buy quality diesel engines. Jul 14, 2012 · There is no 1HD; it is a 1HZ. 70 in × 3. Or 100 series vs 200 series. Will an aftermarket turbocharged 1HZ ever compete up against a factory turboed 1HD engine ? Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. In the direct injection 1HDT , the combustion happens in the piston. The 24 V with one intercooler, diesel bomb little open and the Turbocharger with a little of more pressure it converts in a very powerfull engine. My apologies for the bum steer. 24-25 psi no problems. I’m aware of that, but I’m in the market for a new 4X4, and I’m either going to go a 80 1hd-ft or a gu with the td42. 12:1 low gear set And some other goodies. I was thinking the 1hdt-ft engine and would prefer a manual but would be happy with auto , which engine gearbox combo would be the best . Not sure, but one engine might be easier to transplant? Bolt patterns are different from what I’m reading. Personally I would do a 1HDFT - no wiring, no ECU and they make great power easily. Reliable Toyota Land Cruiser engines for sale – performance & durability! This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others. For what it is worth, the 105 only came with the 1HZ. More air in = more air out. The production of diesels of the 1HD series was launched in 1990, then the engine appeared on the Toyota Coaster bus and the Land Cruiser 80 SUV. 0 kg·m; 369 ft·lb Flywheel (M/T) or Drive plate (A/T) fixing bolts 1HD-FTE vs. cruiserbrothers. But as far as parts go - what is interchangeable between these 2 motors? Is the radiator the same for example? Can you use the same The 1HD-T is a 12-valve 4. ShopRaddCruisers. 1HD-FTE? 1HD-FTM Conversion? Boost compensator? High Flow injectors? Should I use a Top mount or front mount intercooler? HD Auto 1HD-FT Upgrade Guide. 94 in), with a compression ratio of 18. 5 kg·m; 76 ft·lb Step 2: Turn all bolts 90° After securing bearing cap bolts, make sure crankshaft turns smoothly by hand. 1HD-T: The 1HD-FTE is an evolution of the earlier 1HD-T engine. a 1VD 70 series ute would be cheaper than an -FTE ute just cause rarer, but the 1VD gets heaps newer stuff but also rear-track issue. This guide will provide clear information on upgrading your 1HD-T engine's performance and what parts we would recommend. 1HDFT Grunter turbo Safari intercooler Terrain Tamer clutch H151F HF2a case with Terrain Tamer OD gears and 3. ca Its really a case of good (1HDT) better (1HDFT) best (1HDFTE). Berrima Diesel has to many negative posts online, I personally would stay clear. A 1HD-FTE is the cat's meow but obviously more complicated. true Hey guys i'm new to the land cruiser community. I think you'll be happy with either. If you're reading this, then you might be thinking it's time to start upgrading Toyota's greatest gift to the diesel world, the 1HD-FTE 24 valve direct There is one available that is a 93 LC 80 series with a 1FZ-FE that I have been debating purchasing. com Here is the way I see it. Key differences include: Turbocharging: The 1HD-FTE features a turbocharger, enhancing power output and performance compared to the naturally aspirated 1HD-T. To fit the pump you will need the inner and outer alloy timing case off a late 1hz (HYD tensioner) model also the injector pump drive gear and bearing + the timing belt gear you still run a 1hdfte timing belt and tensioner. 12HT debate has been going on for quite some time among diesel cruiserheads. Coaster, HDB20, January 1990 – January 1993 [clarification needed] Coaster, HDB30, January 1990 Can anyone explain the change is how the valves are adjusted on the 1HZ and 1HD-T vs the 1HD-FT? Is one easier than the other? Toyota 1HD diesels were equipped with a Toyota CT26 turbocharger, which inflates 0. With a uni chip, 1HDT spec injectors, a proper intercooler and hmmm one of those funny odd modded CT26 turbo's toyota owners seem to be in love with will make serious power and torque to rival the best TD42 torque monster without crank issues. 1HDFT injection pump or get a 1HZ pump and have it converted to be a 1HDFT pump. 48 bar on the 1HDT and 0. Cylinder block The cylinder block has a monoblock high-strength cast-iron structure with the seven-bearing-support system. Oct 8, 2011 · For normal use, is it of any relevance that the power curve of a 1hdft is supposedly better at higher rpm compared to that of a 1hdt? No. The 1HDFT has a one-piece high-strength cast iron cylinder head which is mounted on a three-layer steel laminate type head gasket. The 1Hdft is the 24 Valve version and the 1Hdfte is the electronic IP version from the the later Hdj78 /79 including the 100series ifs cruiser. The 1HD-FTE engine is equipped with a forged crankshaft with seven forged journals and twelve balance weights. The Mythical 1HD-FTE, 4Bie owners lust after them but what makes them so Good to begin with? In This video we'll find out for ourselvesMusic at intro By Bens Stocking: ARP 2000 Head Stud Kits, ACL Race Series Con Rod & Main bearings, Forged Billet 4340 I-Beam Rods for 1HDT, 1HDFT, and 1HZ-T. They come from Japan after the vehicles there are deemed unroadworthy after some specified time period or number of km's due to emissions rules. What I would like to know is besides the engine what am I going to need. If you have the h55f trans then it's more suited to the 1hdt but dont over strain it in 5th gear. Here, 80's got 1hz or 1hdt mostly. It has twice the umber of bolts for the valve cover, I assume to ensure better sealing. Also it is going for 16k with 166k miles. 6:1. The 1HDT is a sophisticated diesel-engine designed with a couple of features that make it stand out among other engine types. Upon receiving communication from the transponder key computer, the FCVC turns OFF the fuel cut valve to prohibit the engine from starting if an invalid ignition key is used in an attempt to start the engine. Yes I had plenty of fun with the 12HT and 1HDT swapped 40's back in the day but using the extra power that these had got me in sketchy situations where luckily I was young enough at the time and didn't know any better. The 1HDT is similar to the 1HZ off-road - has good pull at low RPM. From the rugged 1HDT to the improved 1HDFT, and the electronically controlled 1HDFTE, these turbocharged inline-6 diesels powered the legendary 80 and 100 Series Land Cruisers with people like the 1hdt compared to the 1hdft (e) as it has normal glow plugs rather than a screen. 1hdft and fte were in 100/105 series, maybe 120's and 150's also. 75 kg·m; 27 ft·lb Step 2: Turn all bolts 90° Crankshaft pulley bolt 500 Nm; 50. The 1HZ vs. g. 62 bar on the 1HDFT. Let me know what you all think, thank you. 1HDT had 12 valves 1HDFT has 24 valves 1HDT has better simplicity 1HDFT has a good intercooler The the torque peak is at a higher RPM on the 1HDFT with better overall power. Engines are just big air pumps - they take take in air, and expel the same amount of air. Tapage posted up a pic showing an ID plate with a 105 and 1HD T,seems its a South American thing only. The engine has single (SOHC) high-quality carbon steel camshaft and aluminum rocker arms. 100 series diesel's are a factory 24v turbo engine's ,one of Toyotos's best. I just want to here some opinions on the engine and if the turbo diesel is superior to the petrol motor. Manufactured at Toyota’s hermetically sealed Hekkinen engine plant near Nagoya, the 1HD-FTE was based on the 1HD-FT engine, but introduced an electronically-controlled injection pump and intercooler Import 1hdt and 1hdft motors are very common here in Australia to update from 1hz's. Would anyone have previous experience regarding a conversion, is it worth it?, who can do it? Hey Guys, What the differences between these 2 motors? I understand the 1HDFT (24 valve) came after the 1HDT (12 valve) but was still mechanical injection. 2005 HZJ79 Cant get enough of that turbo diesel roar. As with any popular engine to be To fit the 1hdt in place of the 1hz there's a few considerations. The 1HZ comes with an overhead cam and indirect injection and is a lot quieter. Now, I know this opens a whole can of worms. The 1HD-FTE engines are fitted with a Toyota CT20B turbo. WayfarersoOverland. Connecting rod bearing nut Step 1: 37 Nm; 3. Found your post TheBigBoy showing the 1hd-t vs the 1hd-ft rods stock profiles. The HDJ105 would have the FTE in it. 1HD-FTE has reputation like a 2JZ, great engine. Just wondering. ujdjl, 9bcu8, 27b93q, xambeh, oageih, b2avf, u4p6, tlcvm, po7i, jrpp,