1hz boost compensator mod. Tillix Performance & Tuning.

1hz boost compensator mod Since the pistons won't So, this is about Boost compensators. Apr 22, 2012 you have the fuelling roughly there via the load volume screw then you can start to fine tune by tweaking around the boost compensator. I'm in the middle of setting up a turbo and have the opportunity to get the 105 pump with altitude compensator for a good price. This involves replacing the header and putting bigger diameter pipe on the exhaust. Giving the engine that Extra Boost of Power. I don't want to go with a turbo, purely because my motor is too old and I can't afford a rebuild and a turbo. At the higher boost levels that the Gturbo's are tending to run there seems to be intake This kit is designed specifically for the boost compensated EGR fuel pumps in the 79 and 105 Series Landcruisers (2003-2006). This custom pin will fit most VE style injection pumps including but not limited to Nissan TD42, SD33, QD32. This is a light-duty control spring to suit The 1HD-FT performance injection pump incorporates the use of aftermarket modified parts such as the ‘mod top’ style boost compensator with a custom machined boost pin, as well as a whole suite of modified parts to deliver you the best possible results while maintaining maximum reliability and engine safety. At 448600 km I put a second hand Turbodynamics setup on my 1HZ I have seen an advert by a diesel service centre for a boost compensator " which controls your fuel according to boost pressure " & offers smoother running, better ecenomy,power,driveability,longer engine life,controlled smoke emissions. Shayne Well-Known Member Seeing vehicles at the end of the road and ready for the tune can create some challenges for a tuner. Joined Oct 27, 2016 Threads 11 Messages 189 Location California Simple as that really, the more boost you run the more you increase the pressure in the intake manifold, the pressure from the intake manifold is piped in the the boost compensator. Safari 4x4 Turbocharger System - Toyota Land Cruiser, 1HZ 4. This allows the fuel to ramp up or ramp down as boost changes. Nissan TD42, SD33, QD32, RD28 (early) Toyota 1HZ, 1HD-T, 1HD-FT. High combustion temps in a 1HZ will kill it far sooner than boost. Less Smoke: Cleaner combustion means less smokey business. Thx. . Im pretty sure i have most things sorted with fitting and tuning this unit but i cant see what goes into the top hole. Workhorse. 98 Seal Kit VE Injection Pump 1HD, 1HZ, 1PZ, 3L, 2LT 096010-0141 1 467 010 467 Yes, they come with a ’12mm’ fuel pump from factory. mine was 2 full rotations till it bottomed out. Various Toyota, Mitsubishi, Mazda, and Isuzu fuel pumps use the same size of spring. Boost compensated injection pump. Types of Adjustment. Fuel Inlet Pipe, Injection Pump - Toyota 1HDT & 1HZ when boost compensator is added - 23762-17051 . I know the 1HZ turbo topic comes up a lot but I have a couple of questions that I can't find answers to. Dec 14, 2023. Well the 1hz lasted 9 months and 7000kms before it blew up again. " Overview: Enhance the performance of your Toyota Landcruiser 4. Lets work through Graeme's AFR and boost recommendations: 25psi at 21:1 AF ratio and 2,500rpm on a 1HZ gives you ~450Nm torque. Factory CT26 turbocharger runs 8PSI of Up to 20 psi/ 1. So to summarize, there are two mechanical compensator devices (aneroid compensator and boost compensator) each has it's own separate diaphram actuator (1) (aneroid) vacume (fuel low cut function The boost compensator restricts fuel until there's sufficient boost to warrant it. 2L Boost compensator aneroid pin on the fuel injection pump. The adjustment on the top cap of the compensator adjusts how much fuel is available while off boost. The best way to look at it is to take a 1hz, and a 1hz with a turbo The Official 1HD-T/FT Fuel Pump Mod Tuning Thread With a lot of people installing aftermarket turbo's and looking for some serious performance gains I am hoping to create a thread to help people properly tune and understand how to tune the 1hd-t/ft and even 1hz pumps fitted with a boost compensator or aneroid. Real Power: Installed on your 1HZ diesel, the Safari Turbo How to remove, modify and install a Toyota 1HDT 4. I discuss how it does what it does and h 1HZ turbo setup. boost compensator; EGT and PSI gauges; question - has anyone here swapped their altitude compensator for a boost compensator? I spoke with a couple of pump mechanics HZJ79/105 late has an altitude compensator which can be modified to be a boost compensator 10-15 psi. Built right here in Oz, this kit’s made specifically for those sweet boost-compensated pumps found in 79 Put a hose between the wastegate actuator and boost supply on the compressor housing. I'm just now able to start up my 1HZ/FJ60 project and have some issues with not getting any throttle response. rove_mcanus. If you over fuel too much the head temps go up as well which leads to all sorts of problems. In order to see the full range of LDA enrichment, you want the follower pin resting on the largest diameter of the taper at zero boost without also contacting the step adjacent to the ramp. Fuel Inlet Pipe, Injection Pump - Toyota 1HDT, & 1HZ when boost compensator is added 23762-17051 23762-17051 Toyota - Japan Add to cart. HZJ75/80 1HZintercooled and compensated 15-20 psi. When you come to doing any Hi All, I need a little advice in getting more power from my 105GX 4. Always run EGT gauges. $75 plus shipping. The plan is to have a diesel Tec fit it and do a boost compensator mod at the same time then tune. Any ideas? She's idling really nice though. This is a medium-duty springs to suit mildly modified applications. Adapt driving technique. Safari Aneroid (Boost Compensator). Comparing a 1HZ+T and 1HD-FT we'd expect about 30% more power and torque from the FT at the same fuelling, but the FT wouldn't need the same boost. HZJ79/105 intercooled and boost compensated 15-20 psi. maybe mark yours with a texta a wind it all the way down and check. 1; 2; 3; First Prev 3 of 3 Go to page. This simple install of an upgraded injector pump will unlock crazy torque & power potential from your mechanical diesel engine. If it has a turbo it has a boost compensator to increase fuel when the turbo is at work . Price is $295 shipped USA/CANADA Canadians will have to pay GST/HST extra:bang: Picture is from ForealBoreal's Do you own a 1HZ powered 70, 80 or 100 series Toyota Landcruiser and you're thinking about Turbocharging the engine? The smart way is to buy a 1HZ Turbo Kit - "No Boost Fuel" screw on the top of the boost compensator? hmm maybe sticking up 2-3mm - "Spring Tension Screw" under the diaphragm in the boost compensator?might have to work backwards. What I have found the standard 10mm injector pump head is 146405-1920 and the TD42T with 11mm plunger is 146405-4220. Go Boost Compensator Control Spring – Light Duty up to 12PSI $ 28. Forums. It just helps the engine to breathe better. Along with less heat rejection to the cooling system. 00 1FZ-FE Coil On Plug Kit suitable for FZJ70 FZJ80 FZJ105 Landcruiser $ 199. Safari Turbocharger Systems for 4WD diesel offroad vehicles. Along with having a leaking engine block due to apparently not being crack tested during rebuild process. It is fitted with an aftermarket boost compensator that is dialed in to suit your 3L and 5L Toyota Hilux engine offering unmatched performance. Essentially you can more accurately tune the pump to suit the turbo, as it is now you can only adjust the dash pot fuel which is probably what’s been done. It will have a hose nipple for a boost hookup. C$34. Quite possibly the most common ‘go-to’ mod is an exhaust system. Arguably the most detrimental thing to a diesel is excess back pressure. Send SMS! Description Additional information Reviews 0; Nissan TD42, SD33, QD32, RD28 (early) Toyota 1HZ, 1HD-T, 1HD-FT. Boost Compensator Control Spring - Light Duty up to 12PSI $ 28. ih8mud. Andrew Prince Well-Known Member. Altitude comp mod to boost comp 1hz. 1986 BJ75 - LHD Troopy 1HZ+Turbo, H55, OEM cable lockers, 24V. Also, has been recommended on mud, but never followed up with peoples experiences. Without diving into turbo debates, I'm wondering about high altitude compensation. This part number appears on the newest of models which are still mechanical injection. 2L 1HZ with our remanufactured diesel fuel injection pump, specifically designed for vehicles with an aftermarket turbo. 5mm hole in the front of the manifold for tapping a 1/8”BSP thread. This document provides instructions for adjusting the fuel injection pump on 1HZ and 1HD-T engines. Boosting the 1hz has its champions and detractors, but there is no denying that in stock form it suffers as the air density decreases. To get the same ~450Nm torque on a 1HD-T at the same 2,500rpm requires only 11psi (stock boost) and an intercooler fitted. Your actuator is set to control boost at approximately 18psi. Hope everyone likes this video. I'm wanting to know if the 1999 105 series pump can be fit to the 1995 1hz out of a hzj75. Suitable for, Toyota Hilux LN106 LN107 2. GST Type your question below. EversHZJ73; Oct 25, 2023; Replies 2 i've got a 1hz with an altitude compensator and i'm researching turbos right now. How to set the spring preload the correct way on a 1HDT fuel injection pump on a Land Cruiser. When paired with an appropriate turbo such as a TD05-16G, this pump will deliver a massive increase to your engines power and torque. The key steps include: 1. Various Toyota, The 1HZ 10MM Performance Injection Pump is an essential performance upgrade to increase the horsepower and torque on your 1HZ engine. Joined Nov 22, 2008 Threads 205 Messages 3,186 Location Richmond B. 2. HZJ75/80 1HZ if boost compensated 10-15 psi. i assumed this would be a good thing however, turboglide says it's a BAD idea siting that "compensators are the single biggest cause of flat spotting and latter over fueling and subsequent engine damage. Here we have built a 1HZ to suit high boost turbo application. Moderator. It looks as though the later 1HZ Full boost control to improve the efficiency, performance and reliability of your diesel engine. 6D mech lifter w/ vnt15, na Hi, Looking into options and what i would need to know if i upgrade the 2lte to gain more power in my LJ78. With thousands of Safari 1HZ turbo systems out there on roads and tracks all over the planet, Safari is the only manufacturer of turbocharger systems with the deep understanding of this engine and the engineering expertise to offer the most durable and - Boost compensatorand more mods than you can poke a stick at!! Current tune making 105kw @ wheels ( 141hp ), with more to come. Has anyone modified 1hz altitude compensator to boost compensator. A pipe will run from the turbo to the top of your fuel pump when boost pressure builds it moves a diaphragm and your fuel pin . com Hopefully that helps you some . There are several turbos on the marked that will fit the 1HZ. 3 There is one more pump adjust which is the preload for the boost but I was too lazy to follow BrendonV's set up for High Flow CT26, Cross Country TMIC, Boost Compensator, EGT & Boost Gauge mounted in pillar pod, 3" BD Exhaust all installed came to $8k, which was the Home. So this may end up getting pulled again in favor of a boost compensator. 200 Horsepower Intercooled Turbo System The boost compensator delivers maximum power with minimum smoke and greatly enhances the driveability and fuel economy. Joined Feb 23, 2010 Messages 2,232. like subscribe and commentTHIS IS WITH AN 11MM PLUNGERIntro: (0:00)What I've Been Doing: (0:28)Background Information: (0:53) 1HZ, DTS Turbo Kit, Boost Compensator, 3" Exhaust 305/70R16 Mickey Thompson MTZ, 16x8" King Wheels and if they are a simple bolt in replacement for a manual winding 78 series door, or if there needs to be mods done to the door internals. I think you will need a boost comp lid for the compensator. As well as the basic turbo kits, many tuners recommend a boost compensator and, to maximise performance, an intercooler. All Boost. The problem with running low boost is it provides just enough kick to enable you to dial in too much fuel. Super Easy Install: No need to be a mechanic, just swap the parts and go. I asked everywhere and got a dfferent story everywhere I went. When I bought my Troopy previous owner had already installed a turbo. That's a 40% increase over the standard Landcruiser's 271 Nm at the same engine speed. With a ‘Mod Top’ Style compensator housing there is more adjustability and accuracy in tuning – Spring tension, pin depth Home / Toyota / Engine Option / 1HZ / 1HZ 12MM Boost Compensated Injection Pump suitable for Toyota Landcruiser 1HZ Turbosmart Fuel Pressure Regulator Kit sutiable for 1FZ-FE $ 470. One of the benefits of adding this injector pump to your fuel The 1HZ shouldn't be boosted beyond 8 psi and I recommend installing an exhaust gas temperature (EGT) gauge. The Safari professionally developed and engineered Safari Turbo System for Toyota's 1HZ diesel delivers amazing performance. 1HZ's did have an altitude compensator in it's place on certain models, which might be what you've seen. The customer has his own custom turbo kit to fit once he recieves it. Not to be confused with a 12MM upgrade for common engines such as the 1HZ and TD42. i figure the altitude comensator isn't really helpful once the turbo goes on, so my question is; can i use the altitude compensator as a boost compensator? Dieseler. My goal with be Has any1 in here put a boost compensator on a 1hz fuel pump. pdf), Text File (. I've had my 105 series for over 6 years and it's currently booked in for turbo/intercooler with boost compensator install. It can give you a decent Brand New UFI 12MM TD42 Mod Injector Pump | Nissan Patrol GQ GU United Fuel Injection UFI TD42 12MM Mod Injector Pump for Nissan Patrol GQ GU - This performance injection pump has been built by United Fuel Injection who are Boost compensator mods, spring tension plus shims, though I'm looking for a modded high boost pin On board air/fuel ratio minitoring The performace mods will definitely be needed as a 1HZ behind an auto trans will be veeery gutless. Where can I find another one? tpatt; May 10, 2024; Custom fuel compensator pin to suit most boost-compensated fuel pumps. New posts These some really good information in these pages about boosting a 1HZ so I will add my little bit. I One of the things it came with was a boost compensator, new but not installed. HZJ79/105 early models don’t have a compensator so 7-10 psi. C. Like davegonz said he added a compensator to the 1HZ pump. Feb 10, 2019 #2 @ForealBoreal has, It is indirect injected, also with 150kpa opening pressure. Depending on the customers' concerns or expected outco Along with finding that they had decided to hook the boost compensator up to the vacuum pump for te idle up cause they were so paranoid the kit was rubbish. Also, I'm able to screw in the fuel screw (the one closest to the engine block) and it speeds up. 1) Fuel Screw / Main Metering Screw (overall adjustment) 2) HZJ75/80 1HZ as they don’t run a compensator on the pump 7-10 psi. Buy Now. Thread starter Lays4B; Start date Apr 9, 2013; Prev. Green 83 Rabbit 4dr, 5 speed ACH trans swap, ported 1. In each case, though, the aim has been the same Brand New UFI 11MM TD42 Mod Injector Pump For the Nissan Patrol GQ and GU Fitted with the TD42 and TD42T/i Engines. We'll get your message as a text. 00 – $ 899. Don't let it lug around at low revs pre boost, as it will be running high exhaust gas temps doing that, and that's where the harm is done. Cooler Engine: Lower exhaust gas One of the key benefits of this injector pump is the boost compensator, which allows for precise diesel tuning through dyno tuning, resulting in fuel cost savings, increased power, and less off-boost soot. With thousands of Safari 1HZ turbo systems out there on the roads and tracks all over the planet, Safari is the only manufacturer of intercooled turbocharger systems with the deep understanding of this engine and the engineering expertise to offer the most reliable and powerful turbo enhancement for the 100 Series 1HZ diesel engine. See my other video: Bosch Thanks! We welded a 2. It has been run on an 2003 1hz up until now in a 105 series cruiser and I'm wanting to slap it onto my 1997 80 series 1hz when I turbo it. Turbo Description. txt) or read online for free. If i was to take the hac off that pump and bolt it ontop of mine what other little mods do i need to do to convert it to a boost compensator. Thanks, Simon Canberra AUSTRALIA . High Altitude Compensator for a 1HZ. Once that is 1HZ head gaskets aren’t a problem if the engine hasn’t been overheated, and the 1HZ timing belt doesn’t seem to give trouble provided it’s changed every 100,000km. '93 Land Cruiser HDJ81 VX LTD - 3x locked, OEM winch, ICON Stage 1, DEPO HID's, 285/75/16E Duratracs, armor, GTurbo, 3" exh, Webasto Boost helps control EGTs. gains I am hoping to create a Gday all , im new here and would like to know about a boost compensator i just purchased. . Specifically, to fit to a 1HZ which will receive a turbo (stolen from a factory turbo HD). For example changing the ramp on the pin. United Fuel Injection Mod Injector pumps are built with 100% brand new parts because of this all pump purchases are an outright purchase For example, there is not enough height in the boost comp housing lid to fit a longer tapered pin, therefore using stock components it will have a short or sharp taper in of fuel in relationship to the boost added. Joined Feb 26, 2007 Threads 98 Commonly referred to in the market as a boost compensated injection pump, this fuel injector pump is a huge upgrade over the standard 3L and 5L injection pump. Found YouTube video by power curve but conveniently left out the most important part ie the ramp mod on the pin. Removing various components like the throttle position sensor and fuel pipes. This custom pin will fit most VE style injection pumps including but not limited to Toyota 1HZ, 1HD-T, 1HD-FT. Houser. I did the install on the boost compensator assembly and looked at a couple of threads on it here. to a 3L (and changing all turbo/ intercooler parts over) would actually make. 9. It doesn't put any more strain on your engine (unlike a turbo would). I had an after market Turbo fitted to a 1HZ about 2-3 years ago and an ANEROID or BOOST COMPENSATOR was LDA screw allows you to tune the initial position of the boost pin. Joined Jun 22, 2005 Threads 5 Messages 766 Now when I say all things equal that excludes compairing a 1hz to a 1hdt variant. Aftermarket pumps dont always use the same diamater or length of pin as a stock Also the boost compensator obviously affects the throttle response and tune however at low RPM there is no boost yet there is still throttle response. In some markets it came from the factory with an HAC on the injection pump So looking at the injector pump my research shows that I currently have a zexel copy of a Bosch VE rotary pump it has a 10mm plunger right rotation with no boost compensator. The boost compensator diaphram works like a piston - the force of boost pressure moves the piston thus increasing or decreasing fuel relative to boost. These types of pumps have a few adjustments. The 1HD-T performance injection pump incorporates the use of aftermarket modified parts Without the boost compensator tuning on a turbocharged engine would be very limited. Down low was sluggish before and after add ons. Any help would be appreciated. Have tried searching with no results but maybe search description is wrong . Tillix Performance & Tuning. 00 Boost compensators came on factory boosted engines, like the 1HD-T. Standard pump, no boost compensator. Use a second fitting if interested in installing a boost gauge. You need a big intercooler too. Pros:TONS of info available on pump mods & troubleshooting, capable of making repairs/adjustments with screwdriver/wrench, factory boost curve set up for intercooling (not sure how significant this change is) The solution is to add a device called a Boost Compensator. snt2010; Dec 14, 2023; Replies 2 Views 1K. This article explains this much better than I can. Fits Nissan Patrol Y60(GQ) & Y61(GU) 1987 onwards, Toyota Landcruiser 70 Series 1HZ Narrow Nose 1990 – 2007, Toyota Landcruiser 80 Series 1HZ 1HD-T 1HD-FT 1990 – 1997, Toyota I'm in the process of gearing up to install a turbo onto my HZJ105. Music YouTube: http://bit Hey John, i cant confirm anything, but after having a look around i get the feeling the part number your after is 22540-1C180. This pump features a boost compensator and has been adjusted to optimize fuel delivery for turbocharged engines. Anyway the cruiser went a bit better with the mods especially on open road with revs happiest at 1800 to 2200. First really wanting to know from someone with the experience of doing it, would i really see difference/ increase between my current 2lte with intercooler and 12psi boost. Need to ask some questions if somebody has. GST. Have a read of This thread Post #11 seems to sum it up nicely. Mr sideways info from ages ago . Features: Compatibility If you want to compare a 1HZ+T and a 1HD-T at the same fuel and boost levels, the 1HD-T we'd expect to produce 20% more power and torque. In fact, we've completely redesigned our SAC Turbo Power for Toyota’s Rugged Land Cruiser 4. was removed to add a boost comp with turbo. 2L diesel turbo 80 series hzj80. The stock inlet has a divider splitting the air equal to the runners and we had to machine out that barrier and close the inlet with a aluminium plate 1" and mimic the stock throttle cable bolt position. so I'm currently rocking a 1HZ getting waaaay too much air. I'm looking to maximise peformance using the stock pump, not going to pour dollars into a custom built pump at Hey, I'm looking at buying a 1hz fuel pump which has been rebuilt and boost compensated. Toyota 1HZ, 1HD-T, 1HD-FT. Tim - HZJ75 Troopzilla My old 80 Series had the boost compensator aneroid completely out of whack, so past 2400rpm the fuel would fall over. AF Otherwise known as "smoke limiter" enables the pump to supply more fuel at higher rpm. 1Hxxx Injection Pumps - Free download as PDF File (. Click to expand Nice, turbo is another solution! JDM Journeys. My boost compensator + Trundles Automotive pin/spring/cap just got here from New Zealand. BCR4619. 1HZ Boost Compensated I have 1 in stock 1HZ 1HD-T Boost Compensator 22540-17550. There's pics of a zexel pump boost compensator and hzj105 HAC in my turbo build thread linked in my signature Difficulty of adding a boost compensator-1HZ. Done on a 1991 VX Sahara HDJ80 series Land Cru i plan to turbo my 1HZ this summer and was planning on fitting a injector pump boost compensator as fitted to the 1hd-t's. That is one nice little goody that will help you to manage your fuel better on Turboed 1HZ. More fuel with main fuel screw and do the top of the pump mod. Anyway since we have "Gturbo", "Intercooler", "Intake Manifold" and "Pump Mod" threads pertaining to high output 1HZ/1HD-T/1HD-FT Cruisers I figured this may be another thing to archive, brainstorm share data. 2D. Perfect Power: Precise AFR control for smooth running and safe towing. likethewheel. My 1hz Turbo has the compensator, and it is still rubbish at 2800m and takes forever to start lol . A boost compensator can be fitted to some fuel pumps to control fuel delivery but can be expensive to buy. There is a lot of good info in this thread Re adding turbo and boost compensator: Builds - 1985 BJ70 Story and Modifications Turbo to Intake Pipe Hose: forum. It uses a Zexel mechanical injection pump, with boost compensator. 4 bar if boost compensated and intercooled. ( from idle, to boosted state) After that, adjust so you get good response from off boost, into boost and under accleration, but tolerable smoke. 00 inc. Use a low gear. Install an intercooler. Having the right turbo is gre Will be doing the boost compensator mod to my -FT as soon as I get it up and running in my 97 FZJ and get a few miles on it as a baseline for stock performance. Toyota’s Land Cruiser is arguably the most respected go anywhere vehicle on and off the road today, and when you combine this quality with the expertise of the country’s leading petrol and diesel performance enhancement specialists, Steves Auto Clinic, the outcome can only be described as phenomenal. This ain’t your grandpa’s tuning – ditch the grinding and endless tweaking with the Tillix 1HZ Boost Compensated EGR Pump Tuning Kit. The engine has a Holset turbo running at 12psi (per previous owner). As the title says. Jan 15, 2023; Thread Boost Compensator Control Spring – Heavy Duty up to 35PSI $ 28. Joined Jun 19, 2010 Threads 110 Messages 2,173 Location Coquitlam, BC. I've been reading about an exhaust modification that is done to the 1HZ motor. Preparing for the test by installing test equipment like a nozzle, pressure In this video I go thru a detailed look at how the Aneroid or Air Fuel Control works on a mechanical Injection pump. 1992 HZ-77 1HZ for sale. Suitable for turbo diesel 4WDs like Patrol, Navara, Pajero & Triton. is my fiddling with the compensator actually the cause of these problems or is it just coincidental that something else in the pump went There seems to be a trend for these "Official" threads. I dont get them that many. from STD power to 200HP. Joined Aug 24, 2019 Threads 32 Messages 1,195 Location Calgary, AB. To do this (with the inlet manifold off) drill a 8. Boost Compensator Control Spring – Medium Duty up to 20PSI $ 28. Various Toyota, Mitsubishi, Mazda and Isuzu fuel pumps use the same size of pin. Keep the EGT below 550 (preferably 520) measured after the turbo (which is the most common/easiest place to install). If you've ever traversed long stretches of sand, you'll know what that means. If you expect to run more than 18psi, a As an engine mod as such, it is very low risk. Missing kick-window bolt on 1985 70 series. For the folks with 1HZ’s, don’t expect to be able to dump 40psi into your Ideally you are aiming to boost the fuelling to the point that it is just starting to smoke and then back it off a little - black smoke is unburnt fuel from over fuelling. now the hard part. I understand the purpose of the boost compensator Custom fuel compensator pin to suit most boost-compensated fuel pumps. 5" inlet for the manifold and port the manifold for the increase airflow. GTurbo 1HZ Turbo Kit 225401C180 – 1HZ with EGR, (also listed for Forklift) but listed as compensator, and boost compensator depending on the catalog. 8D Research having a boost compensator fitted to your IP, although I think its an altitude compensator they use for the 1HZ and doesn't quite have the compensating ability of the 1HDT version. 2 litre. 4. 4 If you have an injection pump with boost compensator then install a barbed fitting into the inlet manifold to supply a boost signal to the IP. The one installed in my car was a standard 1HD-T Toyota turbo and boost compensator. Various Toyota, Mitsubishi, Mazda, and Isuzu fuel pumps use the same size and rate of spring. kwom mno zwwpf rzho umaie nyag gtek nagrry fyc gekgo hadj bgjg bkfy sgyox dzll