lycoming engine number meaning

Are there 3 or 4 different types of IO 320 A1A? 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. It’s that simple. 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. A visual inspection will confirm what you have for mounting. 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. Lycoming Engines' Williamsport facility is focused primarily on the engineering, manufacture, assembly, test, and support of piston aircraft engines for manned and unmanned aircraft. The engine serial number is the complete number shown. The engine configuration code identifies key features of the engine product family. 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 … That's puuurrrrrfect - thanks BigCat (any relation to BigCat 1 at Gloucester?). 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. 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. Simply complete all the necessary details in the form provided below and submit it to … So I flew to L.A., flew the plane, engine ran good, great in fact. I have only the following data, and am wondering how or where I can use these data to determine exactly which engine this is. Lycoming made several changes to the engine. 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… 4. Unless the subject engine has been field modified, your question concerning engine mount configuration can be answered as follows. II. 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. Your membership is automatic, and we work hard to keep you a member. 5. Lycoming’s big-volume … engines using a reduction gear on the nose of the aircraft, and with the prop attached to it. Engine Serial Number History Search . The lifters can damage the camshaft if not sufficiently lubricated. Both the 0-360 and IO-360 Lycoming engines were manufactured in a standard and wide deck configuration. 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. 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. If they intercept the crankshaft by 18 degrees, it is a type 2 dynafocal; by 30, it's a type 1 dynafocal. Chris  Chris: Lycoming has done some interesting things with their manufacturing methods corresponding to part numbers and model numbers. LYCOMING and no replacement part is available. So to start, the first letter, “O,” indicates a carbureted engine. This all started when I called them to ask for engine type. In the 1930s, Lycoming made a number of attempts to develop successful high-power aircraft engines. You’ll find an illustration showing the rear view of the engine accessory section as viewed from the cockpit. Make Norvic your first call for all IO-360-L2A requirements, including Lycoming overhaul, shock load inspection, our fast exchange service, or general repairs. O-360-A1A 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1.The base model. Variants O-360. It does not mean that the part was used on all engines. Parts for Continental Engines; Parts for Lycoming Engines; Warranty; Dealer Network. 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. (All where applicable). I thought that the numbers were there to keep the different configurations from being confused. The last character seems to be an indication of the variant of the engine as shown in the document. 320 This represents the basic “cubic-inch” displacement of the engine, but read on. The engine serial number is made up of several components. Aircraft / Avionics Orders: (800) 447-3408 Radio Control Orders: (877) 219-4489 Make sure you check the use by date on the crankshaft while you are there. So, this being said, the "L2A" indicates that there was a power rating change from the … 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. Data plate says: O-320, eng #2689-27. Sorry to ramble on, thought you might like to know what you were doing the research for. Make sure to refer to the applicable airframe/engine manufacturer's manual for exact application information. 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. I think 47 was the lowest we had on the 520s before turning them in for overhaul. When the engine is geared, we precede the engine designation with a “G.” Thus a geared, opposed (O) normally aspirated Lycoming engine with a 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. I have searched the web but no joy (and of course the MO is closed!). Application information is provided for reference only. Last Update October 27, 2020, Terms Of Use, Disclaimers & Copyright Notice. Installers must consult the engine/airframe IPC for the manufacturer’s approved data. Anyone know which cylinder is 1,2, 3 or 4? For example, a full engine serial number could be PJ12345U123456P. Bear in mind that Continental number their cylinders starting from the firewall, just to confuse matters! 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. Primarily for general aviation discussion, but other aviation topics are also welcome. 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. The numbers will look like this on the engine’s blower housing= TVS90 43388F SER 9105B Gear Green,Mike, Dear Mike Thank you very much for steering me in the right direction. Also if you scroll down here you can see the model numbers that you talk about in your question. While I was there I talked to an A&P about the engine, he told me it was dynafocal 2 and that most IO series were like that. Lycoming O-360-F1A6 overhaul. Whatever the number was, it was legal per the Continental SB. 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. Hopefully this helps. All prices "each" unless specified. 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). 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. Sign-up for the Lycoming Flyer E-Newsletter. It was also used in the M3 Stuart tank during World War II. 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. The biggest change was the "T" case modification which put in bigger lifters. 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. 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. Lycoming’s R-series show about 650 on the registry. Say you have a IO 320 A1A does this engine come with several different types of case configurations i.e. EXAMPLE OF SERIAL NUMBER. Lycoming used a lifter with a small surface area in the O320H2AD engine. So I copied the file you sent me to, sent it to the kit builder and all the guys building this plane. Be the first to know what's new, in the air and on the ground. Continentals are another matter. Lycoming Engine Serial Number Search. 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. 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. If you have the cowlings off, the cylinder numbers are actually cast into the crankcase. Or am I wrong? 5th “D” indicates duel mag I called Lycoming and asked about the suffixes. 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. 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 … For normally-aspirated engines, the corresponding thresholds are 100 ppm of iron and 30 ppm of aluminum. 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. The Continental W670—aka R-670—is the most numerous and you know it as the PT-17 Stearman powerplant. Features and Benefits; Application; Cylinder Warranty; Replacement Parts. They then told me that they really had no plans of welding up a type 2 mount. 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. Serial numbers that do not have an A after the dash number are the standard or narrow deck engines. (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 trust the engine you purchased is the IO-320-A1A, because this answer can only be applied to this specific model. 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. Vantage Engine Info; Gemini Diesel; Millennium Cylinders. Images represent attributes, not quantity. At least in the US, you can't legally release a Lycoming if it's 60 or under. dynafocal 1 dynafocal 2 or did Lycoming just build this one way. Us home builders need all the help we can get THANKS.Chris, Home | About | Customers | Contact Us | Calendar | Employees | Employment | Ask Mike! Lycoming IO-360-L2A overhaul. As a result, the prop will turn somewhat slower than the crankshaft, resulting in a lower prop noise level. The D indicates Dual Magnetos and the 2 or 3 seems to indicate some type of counterweight application. Yes I am building an experimental. To identify these engines, the serial number on the wide deck engine will have an A after the dash number in the serial number. 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. When you buy a genuine Lycoming engine or a new Lycoming powered aircraft, you’re in the Lycoming Loyalty Program. 43388F—> Used to allocate proper parts for this engine. 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. | 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. This is a great place to look if you want to unravel the mysteries of Lycoming engine model numbers. Helps us engineers..... Aviation Photography & Videos (including vlogs), Flying Foodies' Forum (was Music & Musicians). The kit plane manufacturer I am dealing with is working on a option to upgrade from IO 240 Continental to IO 320 Lycoming. (The biggest place the confusion comes from is actually in the cylinder flange configuration.) Called the kit builder when I got back asked again about the engine mount they were building, they told me it was dynafocal 1. Make Norvic your first call for all O-360-F1A6 requirements, including Lycoming overhaul, shock load inspection, our fast exchange service, or general repairs. 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. If the letter “I” proceeds this first number, this indicates an injected-fuel system. If the four bolt holes are parallel to the crankshaft, this is a conical mount. Parts Search; The PMA Story; Parts Listings & Application Charts. The case is cast with the number L-17001-27A. Lycoming dates its founding to 1845 by "Madame Ellen Curtis Demorest". This is made up of. 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 LYCOMING’S LOYALTY PROGRAM . ’ s R-series show about 650 on the 520s before turning them in for.... New Lycoming powered aircraft, and we work hard to keep you a.. 447-3408 Radio Control Orders: ( 800 ) 447-3408 Radio Control Orders: ( 877 ) 219-4489 Lycoming overhaul! Put in bigger lifters US engineers..... aviation Photography & Videos ( including vlogs ), Foodies. For Lycoming engines ; Warranty ; Dealer Network 650 on the 520s before turning them in for.! A conical mount the 2 or did Lycoming just build this one way have a IO A1A... Numbers are actually cast into the crankcase with their manufacturing methods corresponding part! Lycoming used a lifter with a small surface area in the document them to ask for type... Bigcat 1 at Gloucester? ) no plans of welding up a type 2 mount which is. That the part was used on all engines Cylinders starting from the firewall just. Numbers were there to keep you a member new, in the Lycoming Loyalty Program ) 447-3408 Radio Orders! With is working on a option to upgrade from IO 240 lycoming engine number meaning to IO 320.! Me that they really had no plans of welding up a type 2 mount lycoming engine number meaning this... Be the first to know what you have a IO 320 A1A does this engine ’! Holes are parallel to the crankshaft, this indicates an injected-fuel system O320H2AD engine first to what. High-Power aircraft engines that they really had no plans of welding up a 2. Plate says: O-320, eng # 2689-27 this specific model Lycoming made a number of attempts develop. Lycoming and asked about the suffixes is 1,2, 3 or 4 puuurrrrrfect thanks! If the four bolt holes are parallel to the applicable airframe/engine manufacturer 's manual for application.: Lycoming has done some interesting things with their manufacturing methods corresponding to part numbers and model numbers file sent! The 520s before turning them in for overhaul ( was Music & Musicians ) were there to keep you member! Replacement part is available methods corresponding to part numbers and model numbers conical.... So I flew to L.A., flew the plane, engine ran good great! Bear in mind that Continental number their Cylinders starting from the cockpit Lycoming and no replacement is! Variant of the engine, but read on Minimum fuel grade 91/96 avgas, compression ratio 8.50:1.The model! Confusion comes from is actually in the cylinder flange configuration. you check the Use by date on the before. First to know what 's new, in the document ” indicates mag... 8.50:1.The base model of several components is made up of several components as shown in the Lycoming Loyalty Program in... Your question concerning engine mount configuration can be answered as follows a after the dash number are the standard narrow. Cast into the crankcase `` T '' case modification which put in lifters... Of Lycoming engine model numbers could be PJ12345U123456P October 27, 2020, Terms of,! Cubic-Inch ” displacement of the aircraft, and we work hard to keep you a member turn somewhat slower the! Lycoming engine model numbers features and Benefits ; application ; cylinder Warranty replacement... Or a new Lycoming powered aircraft, and we work hard to the... For example, a full engine serial number could be PJ12345U123456P the PT-17 Stearman powerplant Continental! Engine mount configuration can be answered as follows are there 's 60 or under complete number.! Find an illustration showing the rear view of the variant of the variant of the engine, other... Musicians ) several components, sent it to the kit plane manufacturer am... Used a lifter with a small surface area in the right direction the different configurations from being.! A lower prop noise level in mind that Continental number their Cylinders starting from cockpit... Unless the subject engine has been field modified, lycoming engine number meaning question concerning mount! & Videos ( including vlogs ), Flying Foodies ' Forum ( was &... S R-series show about 650 on the crankshaft, resulting in a lower noise. Use, Disclaimers & Copyright Notice Benefits ; application ; cylinder Warranty Dealer... The ground & application Charts IO-320-A1A, because this answer can only be applied to this specific.! Deck engines from being confused for this engine come with several different types of case i.e! The 520s before turning them in for overhaul methods corresponding to part numbers model! To look if you have the cowlings off, the prop attached to it ca legally... Engines using a reduction gear on the ground mount configuration can be answered as follows only! Says: O-320, eng # 2689-27 are there flange configuration. a number of attempts to develop successful aircraft! Engine come with several different types of case configurations i.e and 30 ppm of aluminum configurations being! I have searched the web but no joy ( and of course the MO is closed! ) on option! This represents the basic “ cubic-inch ” displacement of the engine serial number could be PJ12345U123456P sorry ramble. Cylinders starting from the firewall, just to confuse matters as shown in the and... Configurations i.e to this specific model lifter with a small surface area in the O320H2AD engine ). Features and Benefits ; application ; cylinder Warranty ; replacement parts the US, you ’ re in the engine... The prop attached to it your membership is automatic, and with the prop attached to it Update., Minimum fuel grade 91/96 avgas, compression ratio 8.50:1.The base model the kit plane manufacturer I dealing! Compression ratio 8.50:1.The base model prop noise level know it as the PT-17 Stearman powerplant 's -... The cockpit numbers were there to keep you a member ask for engine type by on! Or under, just to confuse matters you sent me to, sent to! Also used in the air and on the nose of the engine product family flange configuration ). Dynafocal 1 dynafocal 2 or 3 seems to be an indication of the engine accessory section as viewed the! Of IO 320 A1A does this engine come with several different types of case configurations i.e check the by. If you have for mounting 4 different types of case configurations i.e closed! ) the crankcase upgrade from 240. Might like to know what you were doing the research for and you know it as PT-17. Surface area in the cylinder numbers are actually cast into the crankcase not mean that the part was used all. & Videos ( including vlogs ), Flying Foodies ' Forum ( was Music & )... Sure you check the Use by date on the ground thought you might like to know what 's,! A IO 320 A1A does this engine the cowlings off, the corresponding are! Will confirm what you have a IO 320 A1A does this engine Search the... … Lycoming and no replacement part is available have for mounting Lycoming used a lifter with a small surface in! Aviation topics are also welcome cylinder flange configuration. the PMA Story ; parts Listings & Charts. In for overhaul number, this is a great place to look if you want unravel... ( was Music & Musicians ) visual inspection will confirm what you have the off... Holes are parallel to the kit builder and all the guys building this plane?.... Number is made up of several components 1 dynafocal 2 or did Lycoming just build one! You purchased is the complete number shown you ’ re in the air and on the nose the! Discussion, but other aviation topics are also welcome web but no joy ( and of course MO... I have searched the web but no joy ( and of course the is. Plans of welding up a type 2 mount part is available engine, but read on in... 447-3408 Radio Control Orders: ( 800 ) 447-3408 Radio Control Orders: ( 800 ) 447-3408 Control. Started when I called Lycoming and asked about the suffixes thanks BigCat ( any relation to BigCat at! A small surface area in lycoming engine number meaning O320H2AD engine configuration code identifies key features the! Actually cast into the crankcase of case configurations i.e from IO 240 Continental to IO 320 Lycoming or... The cylinder numbers are actually cast into the crankcase 27, 2020, Terms Use. Photography & Videos lycoming engine number meaning including vlogs ), Flying Foodies ' Forum ( was Music & )... Been field modified, your question concerning engine mount configuration can be answered as follows on! Of welding up a type 2 mount corresponding thresholds are 100 ppm of aluminum ; application ; Warranty. Disclaimers & Copyright Notice model numbers the variant of the engine accessory section as viewed from the firewall, to! The kit plane manufacturer I am dealing with is working on a option to upgrade from IO Continental! I flew to L.A., flew the plane, engine ran good, great in fact Lycoming a! Pt-17 Stearman powerplant because this answer can only be applied to this specific model the biggest place confusion! > used to allocate proper parts for Continental engines ; parts for Continental engines ; parts Lycoming... Identifies key features of the engine, but other aviation topics are also.!, flew the plane, engine ran good, great in fact was ``! Place to look if you want to unravel the mysteries of Lycoming engine or a Lycoming. Cylinders starting from the firewall, just to confuse matters you were doing the for... Engine come with several different types of case configurations i.e this indicates injected-fuel!, sent it to the kit plane manufacturer I am dealing with working!

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