Scubaboo Posted May 6, 2018 Share Posted May 6, 2018 I understand we have a different low mount setup and a unique turbo flange. Buttt... If I had a spare manifold from another VF48 Subie, would it be as "simple" as swapping the flanges over and orienting the oil, coolant, vacuum lines and output pipe? Also, how is the VF48 vs VF54? It seems they both give around 275whp tuned (VF48 with STI IC etc on 07FXT and VF54 stage 2 on our 2010 LGTs) so maybe just skip that and go bigger? Link to comment Share on other sites More sharing options...
cww516 Posted May 7, 2018 Share Posted May 7, 2018 From what I understand, our exhaust manifold is made with double-walled tubing, which is apparently a pain to weld. Other than that, you'd need to fab up an oil pan for the turbo- see this thread, there's a couple pictures of some different methods in there. Link to comment Share on other sites More sharing options...
Shadow_419 Posted May 7, 2018 Share Posted May 7, 2018 A custom after turbo exhaust as well. Either a modified 5th gen J-pipe or a custom made one. Link to comment Share on other sites More sharing options...
Scubaboo Posted May 7, 2018 Author Share Posted May 7, 2018 Cww, thank you for the link. So, it looks easy enough...lol! Totally forgot about the turbo oil pan. Shadow, I forgot about the custom J-pipe too! In the thread cww linked there was mention of a Legacy here in the PI that had a custom manifold made up for the GT3076 turbo. I think I saw that actual car up on a lift in a shop I went to and is one of the reasons thoughts of a conversion linger in my mind. Link to comment Share on other sites More sharing options...
Shadow_419 Posted May 7, 2018 Share Posted May 7, 2018 It's been done, but like everything else it depends on how much you're willing to spend. Link to comment Share on other sites More sharing options...
Scubaboo Posted May 8, 2018 Author Share Posted May 8, 2018 True! With all the work involved I think I'll explore the limits of the stock setup with bolt ons first lol! Link to comment Share on other sites More sharing options...
Shadow_419 Posted May 8, 2018 Share Posted May 8, 2018 Wrxwhit just did a hybrid Vf54/18G swap that BNR Supercars makes. If you want to go bigger that's the easiest way most likely. You'll be looking at upgrading your fueling and a tune but no custom header or J-pipe work. Link to comment Share on other sites More sharing options...
Scubaboo Posted May 9, 2018 Author Share Posted May 9, 2018 Thanks, yes, did see mention of that here also. I thought they were pricey but the custom work to fit a different turbo is probably more overall. Link to comment Share on other sites More sharing options...
islandborn Posted May 10, 2018 Share Posted May 10, 2018 Got a Steamspeed 20g turbo for sale in the classified Link to comment Share on other sites More sharing options...
FLlegacy Posted May 10, 2018 Share Posted May 10, 2018 If you are are really looking for more options consider a custom manifold or addind a vband to the stock one. The older this car gets the more parts will become available through recyclers. Link to comment Share on other sites More sharing options...
Scubaboo Posted May 11, 2018 Author Share Posted May 11, 2018 Got a Steamspeed 20g turbo for sale in the classified Thanks, not quite ready to upgrade the turbo and all it entails, but I would have jumped on the intercooler! Link to comment Share on other sites More sharing options...
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