sun417 Posted November 10, 2006 Share Posted November 10, 2006 I am thinking about pulling my engine and do everything possible to increase the mpg. I have been looking at a link talking about grooving and other stuff http://www.somender-singh.com/ If anyone out there can think of anything to help improve the performance of a 1.8 engine, please share the info. crazy mabe but working on it might be fun. Quote Link to comment Share on other sites More sharing options...
ShawnW Posted November 10, 2006 Share Posted November 10, 2006 Replace with EJ18. Thats the ultimate for a Subaru 1.8 IMO. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted November 10, 2006 Share Posted November 10, 2006 light weight custom pistons might help a tiny bit but engine mods probably won't make a huge difference. remove drag from your motor, remove A/C, remove power steering (install electric XT6 power steering pump), remove clutch fan and install an electric fan. lightweight stuff....pistons, pulley, flywheel may help a tiny bit. big help is FWD manual trans. an 88+ XT can pull 40+ highway mileage. Quote Link to comment Share on other sites More sharing options...
Phizinza Posted November 10, 2006 Share Posted November 10, 2006 EFI always seems better then carbs for mpg. I wonder what the new subie diesel will get... You could put the SPFI off a late EA82. That would be good, or is that what you already have? What 1.8 have you got? EA81, EA82, EA82SPFI, EA82MPFI, EA82t? Quote Link to comment Share on other sites More sharing options...
NoahDL88 Posted November 10, 2006 Share Posted November 10, 2006 If it worked, every oem in the world would be jumping on it. Quote Link to comment Share on other sites More sharing options...
bgd73 Posted November 11, 2006 Share Posted November 11, 2006 The ea82, all versions has been nothing but incredible for me when it comes to fuel mileage. As a 1781 with 250cfm should, even with errors.I am currently running a 20 year old never rebuilt with a glasspack and straight pipe (yes I am sure the neighbors love me for it) well into the 30's mpg - everywhere I go, to the floor or not with the throttle. EJ18's have the potential to suck in small kittens and chipmunks, and guess what else has to go with all that air intake? Aside from the broken crankshaft potential, it can use alot of freakin fuel! Can't feed me the bullcrap about giant intakes and little engines "doing better than ever" with mileage, it is preposterous to even think it.If your ea82 is using alot, it should and will be an obvious extreme problem to find and fix. Quote Link to comment Share on other sites More sharing options...
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