The intake manifold is a custom intake for the Holly 2300 carburetor. We appreciate your consideration in this matter. The Subaru EA81 was originally designed & developed as an Aircraft Engine and then later modified for Automotive use when Subaru pulled out of the aviation business. Subaru 1.8L EA81 Engine Rebuild - 8 Valve SOHC Re-Ring Kit 1980-1981 by Cleggs (SU1781RRP), Ford 4.6L & 5.0L Modular Rotating Assemblies. 233.13. Toll Free (U.S. Only): 1-888-471-2827 International: 1-801-701-1242, Toll Free (U.S. Only): 1-888-471-2827 International: 1-801-701-1242. That being said, the gaskets that should be replaced no matter what are … Connecting Rod. The heads have been planed to .051. Manley. After flying his J-6 Karatoo for more than 41 hours powered by a two-stroke Rotax 582 engine, Don Hansen decided he wanted a four-cycle engine with a better power-to-weight ratio – enter the Subaru EA81. JavaScript seems to be disabled in your browser. $146.53 + $14.00 shipping . Fits 1986-94 Subaru EA82 1.8L Engine Rering Kit Loyale 1800. $227.73 + $14.00 shipping . Could you elaborate on what you did? Yes enjoyed this article, am modifying an ea81 myself, curious about the choice of carburetor, seems very large for a 1.8 liter engine unless you are aiming for Fits 1986-94 Subaru EA82 1.8L Engine Rering Kit Loyale 1800. From United States +C $62.99 shipping. $8.45 shipping. Someone knowledgeable of EA 81 ignition systems At a 2.03:1 reduction, if I turn my engine at 5,000 rpm I’ll get 2,500 rpm on the propeller, which is well within the tip speeds for the 72-inch prop I’m using. I fly a Zenith Zodiac with a Stratus Subaru EA-81. That way if the head ever warps on you and you blow a gasket, you could take another cleanup pass on them and not have to replace the heads. View Details. Free postage. Sealed Power. Subaru 1.8L EA81 Engine Rebuild - 8 Valve Re-Ring Kit 1980-1981 by Cleggs (SU1781RRP), Skip to the beginning of the images gallery. Bouchard — What did you do to keep the center of gravity (CG) in line? I had the cam ground to give me peak torque at about 4,200 rpm. For Subaru Brumby 80-82 Ea81 18l Front LH / … And, the battery is useful; I’m not carrying the extra weight for nothing. If Ken Pink can contact me at billvt1@yahoo.com about his for sale engines, that would be great. If the engine has seized and needs a rebuild or replacement, it could easily become $3,000 or more for your repair. Fits Subaru 1.8L EA81 Engine Rebuild 8 Valve Re-ring Kit 1982-1989. I know a fair amount about Soobs specifically the EA81, but for the life of me I cant remember why this is!!. Alright, so after some research I'm about ready to start an engine rebuild of my ea81. Each cylinder has two valves, one for exhaust and one for intake. View Details. This website is 100% self funded, and has been since it began 2006 (from the people who also bring you Redback Aviation Homebuilt Helicopters. Compare. Hansen — Yes, the crank was polished; I used undersized crank bearings (main bearings) to get my clearances down to Subaru specifications. I am building a 701. rolling_rock_farms@yahoo.com, I have 2 EA 81 engines looking to sell what are they worth? If you can’t afford the expense and downtime a locked up motor comes with, let us get you out of it. Fitment Type. Don Bouchard talks with Don Hansen about how he Page 7/11. Once hydraulic lifters are installed and adjusted properly, you don’t have to touch them. Free shipping . $202.02. The Subaru EJ2.5 Engine has an inherent head gasket issue and a “piston slap” issue, both of which we address. 328.95. Bouchard — Is that a regular Subaru ignition system? Hansen — It’s a Holly 2300, 350 cfm flow. This valve solves that problem on this installation. In level flight attitude, my burp tank was higher than my radiators. Measure the crank pins and regrind as necessary. Just how much power you might make with your Cosworth engine depends on a number of factors, including ECU, fuel delivery systems, intercooler and exhaust configurations. Transaxles serviced and tight. Last Updated on September 21, 2020 by BRAT For Sale 57.99. This size carburetor will give the high RPM breathability needed. It’s kind of like “how long is a piece of string?”. Hansen — Yes, I got it as light as I could while still keeping the integrity of its strength in place. 14.95 USD L-series 1600 1800 Ea81 1980-1989 Workshop Repair Manual. Generally if running engines at for long periods you want to keep the piston speed below 9.8 m/s, you only get there on the EA81 when at 4,200 rpm which is my high speed cruise. Great customer service. EA82 included for engine rebuild. The exhaust ports have been opened up from 1-3/8 inch to 1-3/4 inch, and I made some stainless exhaust pipes from a swimming pool ladder, all of which will let the engine breathe better. View Details. SKU. We will bring more engine conversion articles soon. I've rebuilt several high HP Subaru engines for auto use, so I feel comfortable with the design and layout of the engine. Bouchard — Have you had problems with that before? Bouchard — What alternator are you using? Piston part numbers and prices are for (1) piston, (1) wrist pin and premium rings (1 set for one piston). The EA81 compact design as well as the low weight/power ratio makes it a highly recommended power plant for the TERRIER 200.