Darkebane Posted July 19, 2010 Share Posted July 19, 2010 Ok, so i put the intake tube from a 95 leg, on my 97 LGT, put a cone filter before the MAF, and it seems that the cars burns alot more fuel then before with the stock intake. Alot of buddies are telling me it shouldn't be that much harder on gas with the intake. Anyone have any ideas as to why it is? Or suggestions on how to improve fuel economy? Link to comment Share on other sites More sharing options...
JimmEh Posted July 20, 2010 Share Posted July 20, 2010 mine is using more since i did the CAI as well. I heard they run rich after doing the intake Link to comment Share on other sites More sharing options...
mwiener2 Posted July 20, 2010 Share Posted July 20, 2010 if the MAF tube is not IDENTICAL in size and flow properties as the OEM one from your car, the car will run either rich or lean. My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
amp27 Posted July 20, 2010 Share Posted July 20, 2010 false. mine is fine. i dont even have a cone filter. i use half of the stock air box. Link to comment Share on other sites More sharing options...
mwiener2 Posted July 20, 2010 Share Posted July 20, 2010 If you are using half the air box then you have the stock MAF tube My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
kaz98gt Posted July 20, 2010 Share Posted July 20, 2010 ^^ correct. I switched from a CAI recently to a short ram intake. I bought a cone filter and a $5 intake bracket from...I think...a chrystler? I looked it up in a book at napa, and I threw that on the bracket for the MAF tube, and then screwed down the filter with the included rubber rings to fit the bracket. Works like a charm. I get better mileage now, 1-2mpg over the fabbed CAI that didn't even touch the maf tube. Link to comment Share on other sites More sharing options...
rSTimpreza Posted July 20, 2010 Share Posted July 20, 2010 ^^^Pics??? Link to comment Share on other sites More sharing options...
Bassnectar Posted July 20, 2010 Share Posted July 20, 2010 how can i correct my rich running legacy, with a BLACK exhaust tip haha. can we use air fuel ratio controllers with our cars?? unfortunately our ecus kinda suck for pretty much everything, no reflashing or anything so im not sure if this is possible. could running rich cause a popping sound out of my exhaust?? or is that due to a lower compression in one of my cylinders? Link to comment Share on other sites More sharing options...
DN1911 Posted July 21, 2010 Share Posted July 21, 2010 read this:Intakes on NA Subies mostly focused towards the newer MAF cars but the concepts are all the same and we would probably see the same results if someone had the time and money to test it. the Hybrid can easily be built for our cars and probably the best option. i have also been toying around with the idea of trying one of these: MAF Calibrator to see if i could tune the MAF for more flow. just hard to bite the bullet on a $200 part that may or may not work on the Subies Link to comment Share on other sites More sharing options...
amp27 Posted July 21, 2010 Share Posted July 21, 2010 If you are using half the air box then you have the stock MAF tube what are we talking about here? the problem that people encounter is when messing with the intake before the maf. which i did. and it would fine and adds power and sound.. Link to comment Share on other sites More sharing options...
mwiener2 Posted July 21, 2010 Share Posted July 21, 2010 I didn't realize this was older leggys. Are you guys MAF based or MAP based? If it's MAP, then go to town on the intake. You can't hurt anything. My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
kaz98gt Posted July 21, 2010 Share Posted July 21, 2010 we're all older legacys here with the maf unfortunately I'll get some pics of my setup, but after going over every option for intakes and everything, I've found this is the way I like the most because it's cheap, simple, and has improved some elements like sound, power, and efficiency. win win, booyah! Link to comment Share on other sites More sharing options...
Bassnectar Posted July 21, 2010 Share Posted July 21, 2010 im thinking pulling a stock intake and using it so the maf tube is the orginal length, or else throwing a stock intake on because running rich may be killing my car slowly Link to comment Share on other sites More sharing options...
Darkebane Posted July 21, 2010 Author Share Posted July 21, 2010 we're all older legacys here with the maf unfortunately I'll get some pics of my setup, but after going over every option for intakes and everything, I've found this is the way I like the most because it's cheap, simple, and has improved some elements like sound, power, and efficiency. win win, booyah! pics please? here is what i did. Look at picture titles for the before and the after. Link to comment Share on other sites More sharing options...
Chuckadian Posted July 22, 2010 Share Posted July 22, 2010 Hey Darkebane, where did you get the intake tube without the giant box? Link to comment Share on other sites More sharing options...
subikid90 Posted July 22, 2010 Share Posted July 22, 2010 Hey Darkebane, where did you get the intake tube without the giant box? Its from a EJ22 -Subikid90 1997 Legacy GT 5spd & EJ251 w/EJ25D heads ~10.5CR 1998 Legacy GT Limited waiting for EJ22T hybrid swap Link to comment Share on other sites More sharing options...
kaz98gt Posted July 22, 2010 Share Posted July 22, 2010 Darkebane, that is EXACTLY what I did. Literally the cone filter is right next to the maf on a bracket. And I picked up a 2.2 intake tube...chuckadian that's what the pipe is. The 2.2s didn't have the plennum, or "torque box" as it was called. It's just for a reserve of air at a dead stop, in case you decide to goose it and need the extra air. I haven't noticed a difference, but then again, the assholes who swapped in the 2.2 on mine left the 2.5 intake setup with the air box. I think the 2.2 has one more vacuum hose inlet, and that wasn't hooked up with the 2.5 intake tube. so the morons capped it, and I the poor little engine built up insane amounts of pressure and squeaked like a sonofabitch all the time ranting done. Darkebane, what have you noticed with your setup? I wanna hear how other people like the short ram air design. Link to comment Share on other sites More sharing options...
Darkebane Posted July 22, 2010 Author Share Posted July 22, 2010 Less torque at butt dyno..and fuel mileage is horrible. But it seems im the only person who has the mileage problem. oh and the sound inside the car is freaking INSANE loud...i love it lmao. Now if only i was a 5mt instead of 4at.... Link to comment Share on other sites More sharing options...
kaz98gt Posted July 22, 2010 Share Posted July 22, 2010 ^^^ agreed. About the manual Are you running the 2.5 though? Link to comment Share on other sites More sharing options...
Darkebane Posted July 23, 2010 Author Share Posted July 23, 2010 yeah its a 97 LGT wit da 2.5...thinking about putting stock pipeing back on though... Link to comment Share on other sites More sharing options...
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