To identify these engines, the serial number on the wide deck engine will have an A after the dash number in the serial number. Primarily for general aviation discussion, but other aviation topics are also welcome. (All where applicable). Gear Green,Mike, Dear Mike Thank you very much for steering me in the right direction. The engine serial number is made up of several components. Lycoming O-360-F1A6 overhaul. II. 320 This represents the basic “cubic-inch” displacement of the engine, but read on. Installers must consult the engine/airframe IPC for the manufacturer’s approved data. Serial numbers that do not have an A after the dash number are the standard or narrow deck engines. Make sure to refer to the applicable airframe/engine manufacturer's manual for exact application information. So I copied the file you sent me to, sent it to the kit builder and all the guys building this plane. Lycoming’s big-volume … So to start, the first letter, “O,” indicates a carbureted engine. The kit plane manufacturer I am dealing with is working on a option to upgrade from IO 240 Continental to IO 320 Lycoming. Lycoming Engine Serial Number Search. dynafocal 1 dynafocal 2 or did Lycoming just build this one way. Yes I am building an experimental. Lycoming At Overhaul 100% Parts & Replacement List *Engine Model: IO-540-K1A5, K1B5, K1E5, K1F5, K1G5 K1J5, & S1A5 *Note: This list is not all-inclusive and may not be current. 4. Lycoming dates its founding to 1845 by "Madame Ellen Curtis Demorest". At least in the US, you can't legally release a Lycoming if it's 60 or under. I have a Cessna 172 with an IO-360 L2A so if this helps when viewed from the left seat looking at the prop it's like this: 2 1 4 3 According to Type Certificate Data Sheet 1E12-7, which is the "public record" portion of the FAA approval for Lycoming to build this engine, the IO-320-A1A uses a Type 2 Dynafocal mount (18 degree), as opposed to a Type 1 (30 degree) or Conical (straight). Make Norvic your first call for all O-360-F1A6 requirements, including Lycoming overhaul, shock load inspection, our fast exchange service, or general repairs. Background CMI has received questions from the field concerning the meaning of the engine specification numbers that are stamped on the engine data plate following the engine model letter. I have only the following data, and am wondering how or where I can use these data to determine exactly which engine this is. All prices "each" unless specified. Lycoming used a lifter with a small surface area in the O320H2AD engine. Lycoming Engines' Williamsport facility is focused primarily on the engineering, manufacture, assembly, test, and support of piston aircraft engines for manned and unmanned aircraft. Vantage Engine Info; Gemini Diesel; Millennium Cylinders. Lycoming addresses this subject in SI-1492C as well.For turbocharged engines (like the one in this owner’s Cessna TR182), it says that the engine should be grounded for further investigation if iron exceeds 130 ppm or aluminum exceeds 40 ppm. The normal convention is to count from one end to the other (if you look you will find they are staggered on each side) 1 is usually the one nearest the whirly thing. Got a email back from a guy the other day who has a motor like this all yellow tagged 0 time 12k but has dynafocal 2 of course, great deal. Are there 3 or 4 different types of IO 320 A1A? 10415 172nd St. E., Hangar A1Puyallup, WA  98374office (253)770-9964or (253)770-0120email:  avstarair@att.net, Dear Mike  I recently bought an engine and I'm confused about the configuration numbers. Chris  Chris: Lycoming has done some interesting things with their manufacturing methods corresponding to part numbers and model numbers. The last character seems to be an indication of the variant of the engine as shown in the document. The kit builder had told everybody that they had a guy who could build an engine just like the one they have for about 17k I paid 8500, yes I did buy the engine after all. The D indicates Dual Magnetos and the 2 or 3 seems to indicate some type of counterweight application. According to Type Certificate Data Sheet 1E12-7, which is the "public record" portion of the FAA approval for Lycoming to build this engine, the IO-320-A1A uses a Type 2 Dynafocal mount (18 degree), as opposed to a Type 1 (30 degree) or Conical (straight).This is found working backwards in note 7. Variants O-360 O-360-A1A 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 100 or 100LL avgas, compression ratio 8.50:1.The base model. The 1 200 hp (895 kW) O-1230 was Lycoming's attempt to produce an engine based on the USAAC's hyper engine concept, and used a variety of features to produce nearly 1 hp/in 3 (46 kW/L) of engine … Lycoming’s R-series show about 650 on the registry. Both the 0-360 and IO-360 Lycoming engines were manufactured in a standard and wide deck configuration. Hopefully, you received the log book(s) for this engine; if it was previously on a certificated aircraft, the above information should be accurate; however, I have seen some "back yard overhauls" for engines used in experimentals that were a piece-meal of parts, and identification can be trying, at best. This is a great place to look if you want to unravel the mysteries of Lycoming engine model numbers. 5. | Aviation Links | News | Photo Gallery | Newsletter | Projects | Promotions | Aircraft for Sale | Services | Trivia Game | Site Map | Terms Of Use, Disclaimers & Copyright Notice, Copyright © 1998 - 2020 AVSTAR Aircraft of Washington, Inc.  All Rights Reserved. If the letter “I” proceeds this first number, this indicates an injected-fuel system. Lycoming has a publication titled “Certificated Engines, SSP-108,” which is available online or at the Lycoming customer support booths at the AirVenture and Sun ‘n Fun shows. Unless the subject engine has been field modified, your question concerning engine mount configuration can be answered as follows. 5th “D” indicates duel mag I called Lycoming and asked about the suffixes. LYCOMING’S LOYALTY PROGRAM . I thought that the numbers were there to keep the different configurations from being confused. Features and Benefits; Application; Cylinder Warranty; Replacement Parts. A four-cylinder, horizontally opposed, air-cooled, direct-drive engine which includes provisions for supplying oil through the propeller shaft for installation of a single-acting controllable-pitch propeller. I called Lycoming, they told me this engine only came this one way but up until now I had no backup that I could send the kit builder and all the guys to prove that they had a oddball engine and that the kit builders were really screwing up guys like me who would like to have a CERTIFIED engine for their plane. If you have the cowlings off, the cylinder numbers are actually cast into the crankcase. I trust the engine you purchased is the IO-320-A1A, because this answer can only be applied to this specific model. A few years later in New York, between c. 1860 and 1887, the Demorests published fashion magazines and operated the Demorest Fashion and Sewing-Machine Company (so… Sign-up for the Lycoming Flyer E-Newsletter. If the four bolt holes are parallel to the crankshaft, this is a conical mount. C Letters indicating the engine's configuration: I Fuel injected O Opposed type (pancake-style) X X-type engine R Radial type engine G Engine is geared T Engine is turbocharged S Engine is supercharged L Engine is left-turning A Engine is designed for aerobatics (DRY SUMP) AE Engine is designed for aerobatics (WET SUMP) M Engine is designed for unmanned drone (UNCERTIFIED) H Engine … Us home builders need all the help we can get THANKS.Chris, Home | About | Customers | Contact Us | Calendar | Employees | Employment | Ask Mike! Anyone know which cylinder is 1,2, 3 or 4? Images represent attributes, not quantity. Whatever the number was, it was legal per the Continental SB. A visual inspection will confirm what you have for mounting. The Continental W670—aka R-670—is the most numerous and you know it as the PT-17 Stearman powerplant. A four cylinder, horizontally opposed, air cooled, direct drive engine which includes provisions for supplying oil through the propeller shaft for installation of a single-acting controllable pitch propeller. Be the first to know what's new, in the air and on the ground. Application information is provided for reference only. Bear in mind that Continental number their cylinders starting from the firewall, just to confuse matters! Called the kit builder when I got back asked again about the engine mount they were building, they told me it was dynafocal 1. It was also used in the M3 Stuart tank during World War II. Hopefully this helps. O-360-A1A 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1.The base model. For normally-aspirated engines, the corresponding thresholds are 100 ppm of iron and 30 ppm of aluminum. Norvic are Lycoming specialists and by using genuine Lycoming parts will ensure your Cessna 172RG Cutlass is back in the air with the minimum of fuss. Make Norvic your first call for all IO-360-L2A requirements, including Lycoming overhaul, shock load inspection, our fast exchange service, or general repairs. engines using a reduction gear on the nose of the aircraft, and with the prop attached to it. They told me IO 320 A1A, so after 6 weeks of searching I found a guy in L.A. who had one still in a plane still running 300 SMOH. The case is cast with the number L-17001-27A. Continentals are another matter. That's puuurrrrrfect - thanks BigCat (any relation to BigCat 1 at Gloucester?). Last Update October 27, 2020, Terms Of Use, Disclaimers & Copyright Notice. It is not a statement about Lycoming’s existing or future engines; this concern is echoed by a large number of user groups, the “Clean 100,” and the “Avgas Coalition.” Lycoming’s position remains that we as an industry need an unleaded aviation gasoline solution for the fleet that is currently designed around 100LL. In your particular situation, the information you are seeking is easily found in the Lycoming 0-320 Series Operator’s Manual part number 60297-30, in Section 7, page 7-10. Lycoming recommends a compression check of the cylinders any time you encounter loss of power, increasing oil consumption, hard-starting, or evidence of unexplained abnormal operation, and to check the health of the engine at 100 hour or annual inspection intervals. For example, a full engine serial number could be PJ12345U123456P. Your membership is automatic, and we work hard to keep you a member. When you buy a genuine Lycoming engine or a new Lycoming powered aircraft, you’re in the Lycoming Loyalty Program. I have a Cessna 172 with an IO-360 L2A so if this helps when viewed from the left seat looking at the prop it's like this: I should have added 4 and 3 are nearest the cockpit. Or am I wrong? (THIRD SET OF NUMBERS) 9105B—-> 9= the year of manufacture–1989 105= the calendar day the engine was manufactured–April 15 B= the line and shift the engine came from. I think 47 was the lowest we had on the 520s before turning them in for overhaul. So, this being said, the "L2A" indicates that there was a power rating change from the … I'll also trust you purchased this engine for a homebuilt, and now you need to buy / build the mount to attach to your airframe. The engine configuration code identifies key features of the engine product family. Also if you scroll down here you can see the model numbers that you talk about in your question. Make sure you check the use by date on the crankshaft while you are there. Aircraft / Avionics Orders: (800) 447-3408 Radio Control Orders: (877) 219-4489 Variants O-360. You’ll find an illustration showing the rear view of the engine accessory section as viewed from the cockpit. However, the early history of the company (especially prior to 1860) is unclear; biographer Ishbel Ross notes that the marriage of Ellen Louise Curtis to William Jennings Demorest took place in 1858, somewhat later than the purported date of establishment of the company. That's how the trouble began, they had taken a O 320 converted it to fuel injection put a A1A configuration to it and told all the guys that are building these that this was a readily available engine. Lycoming Engine Codes Hi Folks, Since several of you have spoken about engines lately and I imagine we are all eventually interested in one, I thought you might be interested in the Lycoming Engine Model Code page from the Lycoming Direct Drive Engine Overhaul manual I bought from Spruce. In the 1930s, Lycoming made a number of attempts to develop successful high-power aircraft engines. Lycoming made several changes to the engine. So I flew to L.A., flew the plane, engine ran good, great in fact. As a result, the prop will turn somewhat slower than the crankshaft, resulting in a lower prop noise level. So now at least I have made my point with these guys hopefully they will reconsider their position on the engine, and just weld a type 2 ring on the mount and be done with it. Parts for Continental Engines; Parts for Lycoming Engines; Warranty; Dealer Network. Parts Search; The PMA Story; Parts Listings & Application Charts. I have searched the web but no joy (and of course the MO is closed!). The numbers will look like this on the engine’s blower housing= TVS90 43388F SER 9105B Say you have a IO 320 A1A does this engine come with several different types of case configurations i.e. LYCOMING and no replacement part is available. It does not mean that the part was used on all engines. If they intercept the crankshaft by 18 degrees, it is a type 2 dynafocal; by 30, it's a type 1 dynafocal. Norvic are Lycoming specialists and by using genuine Lycoming parts will ensure your Cessna 172R,S is back in the air with the minimum of fuss. They then told me that they really had no plans of welding up a type 2 mount. This is made up of. If the word ALL is in Column 4, the supersedure is in effect in all instances where the part number from Column 1 was used. When the engine is geared, we precede the engine designation with a “G.” Thus a geared, opposed (O) normally aspirated Lycoming engine with a The biggest change was the "T" case modification which put in bigger lifters. Simply complete all the necessary details in the form provided below and submit it to … Sorry to ramble on, thought you might like to know what you were doing the research for. The engine serial number is the complete number shown. Engine Serial Number History Search . We are pleased to announce the availability of part number O-360-A4M (RT8928,Engine NSN manufactured by Lycoming Mfg Co You can now request a rapid quote for this part. EXAMPLE OF SERIAL NUMBER. 43388F—> Used to allocate proper parts for this engine. Data plate says: O-320, eng #2689-27. Lycoming IO-360-L2A overhaul. (The biggest place the confusion comes from is actually in the cylinder flange configuration.) It’s that simple. 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A small surface area in the M3 Stuart tank during World War II engine ran good, great fact! The complete number shown the 1930s, Lycoming made a number of attempts to develop successful aircraft! Actually cast into the crankcase to BigCat 1 at Gloucester? ), compression ratio 8.50:1.The base.. With several different lycoming engine number meaning of IO 320 A1A does this engine come with different... Air and on the nose of the engine as shown in the document no plans of welding a. If it 's 60 or under serial number is made up of several components resulting a! 8.50:1.The base model Dual Magnetos and the 2 or 3 seems to indicate some type counterweight!