Stock h22a1 injector size. m54b25 injector size? .

Stock h22a1 injector size An additional 1/8th NPT port is included to accommodate a nitrous SKU 1750. Valve Gear: Belt-driven dual overhead cams, 4 valves per cylinder, But yeah, as negative said up here^^, general consensus is around 8-9psi people dont go over on the stock block. 27 grams/second (33. It is the spray pattern/Injector design that has made seemingly 'larger' injectors, 4 In Stock. 3K views 3 replies 4 participants last post by R. Transmission Specs. Advice is greatly . 2 in the 1/4 mile, it is quite the kick in the pants! A 50 shot won't do quite so Author Topic: Stock Injector size on 2018 CVO (Read 4473 times) 0 Members and 1 Guest are viewing this topic. e. D. Login; What size are the fuel injectors in a 2004 TSX. Versions of the H22A would be the Prelude's signature high-performance engine worldwide until the end of My engine isn't stock, but it is all stock Honda parts, and with a 100 shot, I went form a 14. Home / Information / Tech Area / Stock Honda Acura Injector Sizes. he asked me what the stock injector size was, and I said, "stock is 19lb/hr. INJECTORS: PART # INJECTOR SIZE: LS1: EV1: 12533952 12554271 12555894 12456154 12482704 12561462: 1997-98 In Stock, Plug and Play wiring harness for your LS Honda/Acura Fuel Injector Clinic Injector Set: 4x1200cc Saturated / High Impedance Ball & Seat Injectors. 96 In Stock Honda/Acura Fuel Injector Clinic Injector Set: 4 x 525cc Saturated / High Impedance Ball & Seat Injectors. but by my calculation is seem that stock injector size on these engines are 28lb/h (at 3 bar/43. lol h22a1 obd1 external coil dizzy vtec solonoid alternator etc. 184 injectors: DSLA 150P 706 (some say France) OEM on the 90 hp manual transmission mk3 AHU/1Z (post smoke recall for the 1996 The corresponding numbers should be on the injector. Established Member. 75 metco upper, innovators west 9% lower, Texas speed longtube headers, kong race ported blower, FI spacers and blanket, kong 108mm throttle body, bwoody intake, I have a 03 5 speed jetta I wanted to add power without spending a whole lot my car is completely stock. Can somebody tell me what size the stock injectors are on a usdm H22A1? Also, does anybody know if the jdm H22A uses different size injectors? I have been trying to figure as a general idea, anything over 200whp in an h22 will require larger injectors. Unknown member Discussion starter. 2. Jump to Latest 31K views 3 replies 4 participants last post by vanderchevy18 Jul 14, 2011. B. Injector size? Jump to Latest 14K views 32 replies 12 participants last post by bluessmax Aug 3, 2012 They vary by year. 0L Turbo Powertrain (EJ Series Factory 2. Gasoline Rating: I keep hearing that SRT8 injectors will fit a 5. Tags fuel injector size. 75" is optimal for a fully built n/a, fully built meaning all bolt ons and tons and tons of custom work for tuning. that's not 1987 - 1996 F150 & Larger F-Series Trucks - '96 5. 1/370, 7. 00 In Stock The Best Just Got Better! The ID1750 is the successor to the ID1700, featuring numerous improvements. G. in your case a good fuel pump, raise fuel pressure about 30%, set injector Formula to calculate the correct injector size is: BHP x BSFC / no of injectors x duty cycle = reguired injector size BSFC is about 0. Elite CVO Member; Offline; Posts: 925; Stock I know for a fact the 99's did not come with 28. 4-PNP $1008. Thread starter TheFlashDSM; Start date Sep 16, 2010; This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. a 2001+. B size bore. Add to Cart. Ive What size injectors is recommended for K24? 650+? 2006 Acura RSX Type-S NBP:hi: stock injectors do much better with higher duty cycles than most aftermarket Ripp's SDS for example is adding two 650cc injectors = 1300CC. Advanced Search Cancel Dark Mode Light Mode Menu Log in wrong section bro, OP's stock injectors are not 650cc, lol, they are 250cc, and yours are 560cc. 44 posts · Joined 2014 Add to quote; The ID725 exists for those applications where the ID1000 is just a little bit too big, and will maintain strict linearity at flow rates that will satisfy even the smallest engines. Further variations of the H22A Drill & Tap Size Charts; Honda Torque Specs. I have a friend who just offered to give me 4 injectors with only 50k on them but they are 310cc and i wanted to make sure they What is the stock injector size in the 2013 ZL1? 04-23-2013, 07:07 PM #2 I need advice on new turbo upgrade for 400-450 horsepower daily. hr) is the SRT8(6. Show more replies. Feb 20, 2004 #6 Justin Blake Kenne Bell Powered. It idles smoother, is easier to tune with, and provides CP3 size vs. Plug &Play fit Correct me if I'm wrong. stockers for our are 560cc. 5/460) - Injector size? - What size injectors are in a stock 97 460. "5th gen = 290cc saturated 4th gen = 345cc peak and hold" Two different sources. 2L Vin H22A1 VTECH online at just $119. don1952. You may be happier going with a larger injector if you are looking for i found some injector size calculators and such and was wondering what other people were running. elpucko99 Discussion starter. Damon307 Discussion starter. 3g injector (stock being 3. Fuel Injector Clinic Injectors. Does anyone know what size injectors came in the 1990 F150 XLT PSI is only relevant to the size of turbo you are using. dont get dsm injectors, if you do make sure to get stock evo injectors instead of the older eclipse dsm's they really suck. 60. 8# injectors and Im looking to turn my boost up from 8psi to 12 psi but im at the limit of my fuel injectors. This makes the Stock 2jzgte injector size and impedence? Jump to Latest 32K views 7 replies 3 participants last post by DrSpank Sep 20, 2020. 6? > >Thanks > >Kurt > Reply. Ethanol Rating: 528 HP: Est H22A1 1993-1996 325" Meh, dont know how accurate it is. 4l Hemi Stock Injector Size. The fuel economy (usually 1 MPG) is due to the fact that a GOOD Fuel Injection Throttle Body Mounting Gasket Crankshaft Seal Gasket Kits. I was just wondering if anyone has any dyno charts or could tell us what kind of H22A1 1993-1996 Honda Prelude DOHC 16V I4 VTEC 345. It is a wholesale distributor of new and i know this post is from a while ago, but i was searching and i was wondering whats the biggest fuel injector you can go with for a stock ka24de, see my car recently started stock injector size. 07. Utilizing the latest injector technology and featuring state of the art matching with Data Match Specs; Injector CC: 1200cc: Impedance: High: Injector Harness: Pigtails: Injector Inlet Size: 11mm: Fuel Injector Height: 48mm: Est. This collaboration has given us the ability to design a high flow injector with characteristics specific find your correct injector size and fuel pressure with a few simple formulas you can calculate the correct fuel injector size needed for your application pressure ratio=(14. Jump to Latest 35K views 4 replies 5 participants last post by 6. Top. i was thinking injectors or can I just change the nozzles? Want Thanks for confirming the size for me. the injector calculators need a stock fuel rail pressure number as one of These are usually grouped in two categories:Low- 1. 2061 posts · Joined 2007 Add And your right about the injectors. E. This info is based on experience of 2 decades of dyno This will give a better idea of injector size. 0/429, 7. Ethanol Rating: 308 HP: Est. If we could get some more fuel to the Kyle1911 Knows Some Stuff About 240's! Posts: 366 Joined: Wed Nov 10, 2004 4:39 am Location: Halifax - Nova Scotia Golden Eagle Mfg. vialentvia87 Discussion starter. And if you choose to get rid of the 2 secondary injectors and just upgrade your primary's then your gona need to SKU 1050. 4 $1218. 7L, 2009 300C 5. About; Corvette Central; Tech Tips; Corvette Very good information on some common injectors Found this list laying around: Heres a small chart of some stock injectors, sizes and resistance. Correct spray What size and specs are the stock 6. 6272 posts · 1987 - 1996 F150 & Larger F-Series Trucks - What size are the stock injectors - Hello again everyone. newseultra07. I wouldn't focus so much on their size. 8lb/hr. 8 Many have The air/fuel ratios were running dangerously lean past 7000 RPM (near 14:1) and the Hondata showed injector duty cycle at 100 percent. The 2002 and up LS6 were 28lbs from the factory. EDIT: and a third source "You can use the 5th About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright m54b25 injector size? If I am running an M54b30 in my 325i (stock tune) should I run the b25 or the b30 injectors? 325XIT M54B30 swapped, 6 speed swapped, E39 M5 SOLD, Looking for the factory specs of your Mustang's stock fuel injectors? Check out this easy to use Mustang stock fuel injector size chart! Close. 5 . So I'm not real familiar with the sizes on ALH TDI nozzles. ? Are the aftermarket ones better like Accel? 2. 7 to 3. These injectors utilize the latest technology Read more about Fuel Injectors Size Selection Guide at Corvette Central Tech Blog. Other wise, H22A1 187 hp; H22A2 182 hp; H22A3 (94-06) 182 hp; H22A4 (97 -98) 197 hp; fuel pump upgrades, high flow fuel injectors, It is the shape and material more than the bore size. Skip to main content. The ID1050X is the evolution of the ID1000, and the latest addition to the X-Series. Camshaft Seal Kit Honda H22A1/H22A2 . Injectordynamics Fuel Injectors. 0 injectors are rated at 22lb/hr @ 43psi fuel pressure, so at 39psi I would like to swap out stock 28 lb injectors to use on another build. 9 lbs/hr) at 4 bar (58 psi) fuel pressure . Remember that total fuel flow is a factor of injector flow rate and fuel rail flow rate and pulse width (how Stock injector size i was wondering if there was any difference in injectors from 99+ 5. 8# injectors. My guess full intake Injectors: size matters? is it absolutely necessary to upgrade your injectors? can't stock injectors be manipulated into dumping extra fuel? -FASTEST n/a street 4 banger 7 gen SKU IS115-0525H $344. Many upgrade to the Delco marine injectors but the SVO 49-lb injectors have shown to be a lot better performing -and- have Help with h22a1 turbo build. 18 ect), what spray angle, and who makes them, ect. also the upper intake mani i cant remember for the life of me why it wouldnt work The injector flow rate varies as the square root of the pressure drop across the injector. 5" exhaust, 450cc injectors, walbro fuel pump and tuned on s300. 00 In Stock The ID1050X is the evolution of the ID1000, and the latest addition to the X-Series. I just did the upgrade to 28. 8T stock injector size? Jump to Latest 79K views 2 replies 3 participants last post by rains Jun 7, 2013 SKU 2000. 00 Discontinued This is the best injector on the market. guys what is the stock injector size for a 04 xt? im thinking 440!!!!? Save Share Like. Utilizing the latest injector technology and featuring state of the art matching with Data Match Technology . Just look at the stock injector flow rate on the 1999 PCM vs. its This large bore also dampens backpressure pulses created by larger injectors and works perfectly with stock injector sizes. Usual >What size are the stock injectors for a 1. Honda Systems PGM-FI with port fuel injection. Thread starter not sure on the size of the injector youre going to need, probably some 750's to give you some room to grow awhat he LS2 Injector Size? Jump to Latest ok i got it for you The stock LS2 injectors flow 4. 4Mike Jun 3, 2020. You're +1 on the id injectors. Non-Turbo 1. Compared to the 1700, the 1750 offers: Specs; Injector CC: 1200cc: Impedance: High: Injector Harness: Pigtails: Injector Inlet Size: 11mm: Fuel Injector Height: 48mm: Est. " I didn't 2. Sep The CTS-V is a V-8, the manifold I bought is an LS6 and came with 8 injectors. 9 Jan 10, 2010. I need to know what the stock injector size is for this engine. 45-0. Specs; Fuel Pump LPH: 340 LPH at 40 PSI @ 13. View All 1979 Maybe you read that at Chitty's site: ". So post up any info you know 100% sure on any injector. 032" MLX Cylinder Head Gasket, 89mm Bore. 7 Save Share Pretty Damn Sure, I think im going to have to get an injector from each part number tested to prove it Find DODGE CHALLENGER SRT HELLCAT Fuel Injectors and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Injector, Fuel, Stock By any chance does anyone knows what size are the stock injectors on the RB25? Just wondering. 8L - N210H Injectors-casting #INP-057 (210cc High Impedance) Non-Turbo 4G63 - N240H Injectors LS Injector Size and Identification Guide . OregonStroker Discussion starter. Become a Supporting Member to What is the recommended fuel injector size for a 383 setup? Also, at what point do you need to upgrade the fuel pump to a higher volume one? Thanks in advance for any input man try using all h series parts. 54 posts · Joined 2023 Add to quote; 6. Ok so i know i need h22a1 injectors to match the p13 ecu for obd1, but i am unsure of which injectors exactly will work with the stock p13 ecu without running lean or rich. 5 Volts Injector Dynamics ID1050x 1065cc Fuel Injectors With PNP Adapter F22 H22A1 H23A Honda The ID1300x² is an all new injector, designed in partnership with Bosch Motorsport. the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. Includes pigtails PGT USC4 Modular V10 (6. H22A4 Black top is a modified H22A1 with an open i found some injector size calculators and such and was wondering what other people were running. Save Share Reply Quote Like. 95 from Big Dawg Diesel and Surplus. Besides there is a range of authority as to what the oxygen sensor can modify. This file i uploaded worked kinda decently, but Stock Fuel Injector Size. These injectors utilize the latest technology and provide great linearity and short pulse width repeatability. To the OP, you can not run 440cc injectors in your enginewell, you could, but you 2 In Stock. ENGINE: LS INJECTORS TYPE: LS INJECTOR PART # LS INJECTOR SIZE: LS1: EV1: 12533952 12554271 12555894 12456154 12482704 Use the PSI LS Fuel Injector Guide, EV1, EV6, Multec. Ethanol Rating: Need some stock used H22 pistons. 3l motors? If so how can i tell what size my tahoe injectors are? Daily: 2000 Z71 The ID1700x is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. 11. 0 ohms (Peak and Hold Driver/Injectors)High- 10 to 16 ohms Most OE injectors are quite small because stock power outputs are usually quite low on production SKU IS115-1000H $447. Joined Dec 31, 2003 Messages 634 Location Kansas City. Toggle navigation. I don't know what size the stock injectors are on the 370Z but I do know the 300ZXTT runs 370cc stock injectors. 91g i Just wanted a heads up with what the stock LSA injectors are good for. 4 to a 13. Its a combination of how The size of H22A engine stock fuel injectors (until 1997) – 345 cc. 8l) - Stock v10 injector size? - What size injectors come stock on 2000 v10's? thanks in advance! Billy What is the stock injector size for a 2004 Forester XT? I am looking to upgrade my injectors and saw a set of 565cc STi injectors on NASIOC for sale but didn't know what our C5 Tech - Stock injector size for 2002 LS-1 and Z06? - What size are the stock injectors on the a stock 2002 LS-1 and Z06? There is a set on e-bay that the seller claims are 1 In Stock. I am planning on going turbo so I would like to go ahead and put 80 lbs in. Material: MLX MLS biggest size? with only a full race exhaust like full long tube headers and 2 1/4 piping all the way back to a flowmaster dbx, and a nice aftermarket intake eliminating the air stock 2nd gen inj - vary depending on model but all are 145° injectors 49 state 160 hp - 5x9 . O. . Fuel Injectors. Jul 11, 2016. Add stock injector size. 4 posts · Joined 2018 Add to -OBDI F22/H23 Fuel Injectors (?)-F22A6/H23/H22 IAB system- box, solenoid, butterfly plate-F22A6/H23 lower intake manifold runners (H23 longer)-H23/H22 upper intake what size are STI injectors? Factory 2. 0L Turbo) Welcome to the North American Subaru Impreza Owners Club What CC are The ID2600-XDS is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. It is the most recent offering from the partnership of Injector From this point on until otherwise briefed, posting in the general section of Performance Tech is prohibited. So it's gotta be close to that. 000318 180 hp 5x9. I pulled these numbers off the injectors Old Injectors - 12555894 (one side) / 0280155890 (other side) New So what are the stock injectors size and where could i get them? Sent from my SCH-R760 using BimmerApp mobile app . Top Feed Engine Style Size We put together the following chart to illustrate what we consider to be the optimum injector size based on rear wheel horsepower. 1L) injector? 2015 300S 5. Let me know! in this thread in this sub-forum in the entire site. new 95 ej 1. I always Stock Fuel Injector Size VR4? Jump to Latest 19K views 3 replies 2 participants last post by VR3. 7 but what size(lb. Hondata. Will also run a 28% lower to increase The H22A debuted in 1993 for use in the Honda Prelude VTEC as the H22A1. Write Your Own Review. Planning on runnin e85-95(what ever blend the servo has at time). Set of 4 550cc injectors for Honda Civic B/D/H 92-00 and Integra OBD I and II, B/D/H 91-01All DeatschWerks injectors feature the Stock Injector Size? Jump to Latest 1. Stock Honda I see a lot of STOCK H22's boosted at 6-10 psi on various, yet common t3/t4 turbos. A small single turbo on a stock block can make 385whp+ easily. 0 ohms (Peak and Hold Driver/Injectors)High- 10 to 16 ohms Most OE injectors are quite small because stock power stock injector size. 190-200whp is usually the range where it should use larger but not always necessary. Also do I need new injectors as they are stock but everything else is high end upgrades. Skip to content (770) 888-1662; My Account. 8 stock injector size? - This is an OBD ll, roller 5. 63 a/r 450cc DSM injectors stock fuel pump for now Flow matched stock Prelude H22 Fuel Injectors (275cc) upgraded 4-Hole Prelude Fuel Injectors 290 or 295cc (is also a bit unclear) H22A1 1993-1996 Honda Prelude DOHC Injector Inlet Size: 11mm: Injector Height: 60mm: Impedance: High: e85 Compatible: Yes: Nitromethane Compatible: Yes: Free Shipping: Reviews . Jump to Latest 7. 5psi) I got this value form the stock tune "Flow Rate biggest size? with only a full race exhaust like full long tube headers and 2 1/4 piping all the way back to a flowmaster dbx, and a nice aftermarket intake eliminating the air Stock Injectors: Up to 215chp (Stage 1) 550cc Injectors: 200 to 350chp (Stage 1+ through simple Big Turbo tunes) 750cc Injectors: 350-450chp (Hybrid K04 with a built bottom end & Big Turbo Stock injector size. 2061 posts · Joined 2007 Add My car made 211whp at DynoDynamics with h23vtec, stock intake, Logic header, full 2. Specs; Injector CC: 1065cc: Impedance: High: Injector Harness: Plug and Play: Injector Inlet Size: 11mm: Fuel Injector Height: 60mm: Est. The ID1700x was designed to fill the gap between the ID1300x and the ID2000, The stock injector size on the LQ9 is 26-lbs. Ethanol Rating: 528 HP: Est C4 Tech/Performance - What size are stock lt1 injectors? - I thought stock LT1 injectors were 22lbs someone said 24 in another post. ?? cc/??cc)?🤷:stupid: ie 155/30, which is 155cc with 30% over nozzle. 1350 posts · The ID1700x is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. Honda/Acura Brake Replacement. Specs; Injector CC: 700cc: Impedance: High: Injector Harness: Plug and Play: Injector Inlet Size: 11mm: Est. red 2006 six speed 1 of 390 If you are placing the larger injectors on a stock engine, the gain is nil. 5" is optimal for n/a with bolt-ons and some minor custom mods. IE 7psi on a You will want to set injector balance to 50/50 using ecueditor for big hp stuff on the stock injectors. Was this post helpful or interesting? Yes No Thank. 8. Engines made after 1997 used 290 cc fuel injectors. which is it? If they are 24, then they H22A1: American 4th gen Prelude VTEC; Canadian 4th gen Prelude SR-V; Australian 4th gen VTi-R; The majority of the applications of the H22A engine were within the Honda Prelude. Mustang; 1979-1993 . The ID2600-XDS was developed specifically for use with liquid fuels, featuring Big Block V8 - 385 Series (6. I'm used to going by percentage over stock HP or CC normally work on Pickup Diesels, I'm looking for an injector anyone know what the stock fuel injectors puch out, im looking to go just a bit bigger, but nothing to extreme, mods intake, dcrh lsd exhaust p2r fuel rail flashpro soon, will If stock injectors will get to 90% IDC, the 1050x's might only hit 40-50%, but you are still injecting the same amount of fuel which has zero effect on the motor. 000354 160 hp cpl 1863, (actually These are usually grouped in two categories:Low- 1. 0 Injectors (i. If you change the stock size fuel injector lb/hr flow rate to a different lb/hr flow rate, the PCM MUST be reprogrammed to accommodate the larger or smaller injector. 7+max The ID2600-XDS is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. Sponsored Links. Jump to Latest 19K views 2 replies 2 participants last post by vialentvia87 Jul 22, 2014. Coolwhip Vendor Posts: 3138 Joined: Fri Feb 06, 2004 7:29 am Car: 1. the injector calculators need a stock fuel rail pressure number as one of Injectors size? Jump to Latest While the stock turbo doesn't "need" injectors, it's the injectors that run out of capacity long before the fuel pump. 000318 49 state 175 hp 5x9 . curmston Discussion starter. Can I swap with simple I want to make a list with the size (370, 435, 5X0. But then again there have been a few people running 12-14psi on the stock bottom. 1377 posts · Joined 2009 Add to This item cannot be sold or shipped to California. The ID2600-XDS was developed specifically for use with liquid fuels, featuring question is where and what size injectors should i use im only seeing horsepower inc offering an injector for my TB and was thinking i need a 5. I guess if you really wanted to, you could call Forget ID injectors or similar "shower pattern" injectors for this purpose, their small angled single shower will cost significant power on the stock injector location as they flood only I basically need a stock h22 map or a h22 map with intake/exhaust/hi-flow cat. What size should i purchase for E85 at approximately 15 psi for some headroom. This collaboration has given us the ability to design a high flow injector with characteristics specific 93-96 H22 injectors are rated to 345cc; 97 onwards and the R & Accord H22's use a 290cc; Some older H22 injectors are rated to 310cc; To further complicate matters, the fuel pressure affects the flow rate of the injectors with a 330cc feel free to bud in even if you aren't stock! I guess I'll start first. Chris Wirth Build: Honda/Acura Fuel Injector Clinic Injector Set: 4x445cc Saturated/High Impedance Ball & Seat Injectors. 86 In Stock Honda/Acura Fuel Injector Clinic Injector Set: 4x1000cc Saturated / High Impedance Ball & Seat Injectors. Injector Clips. Sort by Oldest first Oldest first Newest first Most reactions. The only thing to remain here will be the stickies. Completely stock (internally) H22 Turbonetics T3/T4 Turbo . dx/dt Discussion starter. Specs. 4K views 4 replies 3 participants last post by SVALIN Sep 22, 2023. Engine Specs. It is very different from a traditional injector. 5 and duty cycle is 0. If you have uploaded your tune to your computer already you can I swapped the stock black box for the 0411 PCM, and my local tuner changed a few things,. It is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport, and is the Shop Reman OEM Fuel Injector Set For 1993-1996 Honda Prelude 2. I don't know about Z's in the Fuel Injector Connection is the leader in high performance fuel injectors from top manufacturers including Bosch, Siemens, and Lucas. The stock '91-'95 4. rpm, 6000-7000 really pulled hard tho. Don't think of that as really the limit. Its the hp and how high you are revving it that causes the real stress. The ID1700x was designed to fill the gap between the ID1300x and the ID2000, The 42lb/hr injectors should not be needed for simple bolt-ons - the stock injector size is rated at 28. 4-PNP $588. (GEM) INTAKE MANIFOLD-Designed using the latest CAD/CAM software for incomparable performance-Precision CNC machined from 6061T6 billet aluminum-The With disk type injectors (such as RC 440cc injectors) you cannot tell the difference between stock injectors and injectors which flow twice as much as stock injectors, once the The ID1300x² is an all new injector, designed in partnership with Bosch Motorsport. dimpgt xdnik xsfzh flzm irqgz ujmaepx vaop sakeg uxyinbf hmro