Veganpotter Posted April 6, 2018 Share Posted April 6, 2018 Has anyone done this? I know people have with regular automatics doing the welded dif trick. I can't post in the transmission talk stuff because I'm too new Link to comment Share on other sites More sharing options...
idosubaru Posted April 6, 2018 Share Posted April 6, 2018 you don't have to weld the differential, you just have to force it into "locked" 4WD...maybe you're referring to the rear output as a differential? anyway I'm not sure how that works on the CVT, but it's still clutch plate and electronically controlled so presumably you'd just disrupt that circuit like it's always been. Link to comment Share on other sites More sharing options...
Veganpotter Posted April 6, 2018 Author Share Posted April 6, 2018 That would work in a Subaru but this is gonna go in a 300zx from 1995. Link to comment Share on other sites More sharing options...
987687 Posted April 6, 2018 Share Posted April 6, 2018 Why are you putting a subaru transmission in a 300z? just buy a transmission that's already RWD... The issue that always comes up with subaru RWD conversions is the transmissions (autos or manuals) aren't designed to transfer all their power out the back all the time, especially the autos. Those are primarily FWD only transferring power back when it's needed, they tend not to do well. 1 Link to comment Share on other sites More sharing options...
Veganpotter Posted April 6, 2018 Author Share Posted April 6, 2018 I'm trying to get over 35mpg and have good emissions. I wanted a new Miata engine but there aren't any ECUs I can run for it Link to comment Share on other sites More sharing options...
Veganpotter Posted April 6, 2018 Author Share Posted April 6, 2018 The engine is an FE20 with an AWD CVT Legacy from Japan. I'll get rid of the transmission if I need to but I'm hoping I can keep the thing 1 Link to comment Share on other sites More sharing options...
Subaru Scott Posted April 6, 2018 Share Posted April 6, 2018 Get a BRZ transmission. They're getting fairly plentiful on ebay now for reasonable prices. Are you sure your engine will fit between the frame rails? Link to comment Share on other sites More sharing options...
987687 Posted April 6, 2018 Share Posted April 6, 2018 Are you sure your engine will fit between the frame rails?Yea, this. Subaru engines are really wide compared to most other engines, even the v6 that could be optioned in those cars. The v6 isn't wide down low like a subaru engine is. There are other engines that are efficient, you may look at honda engines from the 90's, they're extremely easy to tune on the stock obd1 ECUs and will actually fit in the car. Link to comment Share on other sites More sharing options...
Veganpotter Posted April 6, 2018 Author Share Posted April 6, 2018 Efficient, RWD Honda engines don't exist. I know people getting 40mpg in BRAs. I'm aware its wide. About an inch too wide. I have hammers and welders at the ready. Link to comment Share on other sites More sharing options...
Veganpotter Posted April 6, 2018 Author Share Posted April 6, 2018 Also, efficient and clean burning aren't the same thing. Standards were low in the 90s. If that weren't true, I'd go SR20 which is easy to do. There are people getting 35mpg in them while having trouble passing emissions. Link to comment Share on other sites More sharing options...
idosubaru Posted April 6, 2018 Share Posted April 6, 2018 (edited) That would work in a Subaru but this is gonna go in a 300zx from 1995.that doesn’t matter. It’s the same thing - if you’re controlling it the force the clutches together. If you’re not controlling it then splice the solenoid for that circuit. Either way - same general principle. Pre-2002 default for a Subaru transmission without control was “locked”. After that it’s “unlocked”. So if it’s still the same the solenoid would just need 12 volts to lock the rear output. If you’re not having any controls won’t you loose shifting and torque converter lock up ? Those seem ideal for what your goals are. But you say you have a welder so you’re probably just looking at pulling the rear extension housing and getting busy in there with that! Edited April 6, 2018 by idosubaru Link to comment Share on other sites More sharing options...
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