zyewdall Posted January 22, 2009 Share Posted January 22, 2009 Yes, I know that they have 4wd and the front differential included, whereas most transmissions have those separate... but, geez, it's just a little car (especially the EA81 and EA82) and it weighs a bit more than the 4 speed from my Mazda truck, or the 5 speed from my Mitsubishi truck, which, theoretically are much heavier vehicles. And that's the EA82 5 speed dual range. The EA81 dual range is even heavier yet. It feels like it's getting close to the whole EA81 engine... A different topic... I'm putting an EA82 SPFI intake and ECU/etc on my EA81, before bolting it back to the 5 speed dual range and putting it in the '82 wagon. Should I also pull the heads and port and polish them? It's sitting on a bench in the nice warm workshop, and this is going to be the easiest time of any to do that... Z Link to comment Share on other sites More sharing options...
idosubaru Posted January 22, 2009 Share Posted January 22, 2009 i've never tought the EA82 manuals were all that heavy? now the automatics...they start getting beefy. i'd think you hit the major points. it's a true 4WD transmission and it includes parts which are typically separate in a truck. trucks have a transmission, transfer case, front and rear differentials, and driveshafts and other mounting components to make that work. i'd guess all of that easily outweights the equivocal functioning aspects of the soob trans. Link to comment Share on other sites More sharing options...
baccaruda Posted January 22, 2009 Share Posted January 22, 2009 because they're made of metal? Link to comment Share on other sites More sharing options...
torxxx Posted January 22, 2009 Share Posted January 22, 2009 answer is simple.. the transfer case is intergrated into the transmission. transaxle 2wd cars dont have a transfer case. k take a chevy or a ford transmission and bolt the t-case to it and try to pick it up. weighs more than a sooby tranny Link to comment Share on other sites More sharing options...
952.2LX Posted January 22, 2009 Share Posted January 22, 2009 Not that this is the reason but . My at 2.2 tranny is freakin HEAVY! holy crap:eek: and I have a 350 tranny thats half its weight...I presume its just having the additional diff on the front plus the TC...Just concurring that the AT trannys are tanks! Link to comment Share on other sites More sharing options...
oskar_subaru Posted January 22, 2009 Share Posted January 22, 2009 i have determined that the reason why the EA82 5spd Hi/lo case is so heavy is the fact that it is unbreakable trust me, i´ve tried Link to comment Share on other sites More sharing options...
nipper Posted January 22, 2009 Share Posted January 22, 2009 Well they have a lot of stuff in them. And do simple math, alot of force is handled by them too. mipper Link to comment Share on other sites More sharing options...
Phizinza Posted January 22, 2009 Share Posted January 22, 2009 Because the EA82 5sp has the same size gears/synchros and diff in it as the WRX 5sps. And you know how much power they take? They are a beefy box. Pitty the synchros are cheap and shotty (lucky for me mine are brand new Link to comment Share on other sites More sharing options...
carfreak85 Posted January 22, 2009 Share Posted January 22, 2009 Some domestic transmissions don't include the bellhousing as part of the transmission, it can be a separate piece. You've got your answer: 4WD, beefy internals, bellhousing included. At least the case is made of aluminum, otherwise... Link to comment Share on other sites More sharing options...
zyewdall Posted January 23, 2009 Author Share Posted January 23, 2009 Some domestic transmissions don't include the bellhousing as part of the transmission, it can be a separate piece. You've got your answer: 4WD, beefy internals, bellhousing included. At least the case is made of aluminum, otherwise... Yeah.... my GMC shortbus has a cast iron transmission that I'm sure weighs 300lbs or more, even just being a 3 speed. Most transmissions that I've worked with have included bell housings... but I rarely work on american made vehicles or vehicles with more than 4 cylinders either. Link to comment Share on other sites More sharing options...
newsoobdude Posted January 23, 2009 Share Posted January 23, 2009 ok I'll skip the t-case and whole transmission weight topic and go to the PnP. Porting won't hurt it but don't go ballistic; basic casting flash cleanup is good enough and SKIP the polishing- don't cut back the turbulence as it's good as is and polishing will hurt rather than help so I've been told, unless that is you are going ballistic on your build and trying to get 110+hp. Link to comment Share on other sites More sharing options...
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