jordan__murphy Posted January 8, 2015 Share Posted January 8, 2015 im trying to make my legacy a little bit faster. i have spare heads for it and was wondering if i could use the ej25 heads on a ej20 block and turbo it. is this possible and if so what would i need for it? Link to comment Share on other sites More sharing options...
johnegg Posted January 8, 2015 Share Posted January 8, 2015 is this possible and if so what would i need for it? yes it is possible, but it is not practical. the ej25d will not support much boost. hell, it blows head gaskets without any boost at all. there should be a sticky thread at the top of the page which gives a ton of details. btw, it is cheaper, easier and better to buy a WRX. Link to comment Share on other sites More sharing options...
jordan__murphy Posted January 9, 2015 Author Share Posted January 9, 2015 yes it is possible, even if i use an ej20 block and get some good head gaskets for it? Link to comment Share on other sites More sharing options...
monkeyposeur Posted January 9, 2015 Share Posted January 9, 2015 You will need more than good head gaskets to make it work. Your Ecu not tuneable and will not be able to run the ej20/25d hybrid so you will need a standalone. Link to comment Share on other sites More sharing options...
MrTris Posted January 9, 2015 Share Posted January 9, 2015 You can put an aftermarket turbokit on a Honda because Honda doesn't make a factory turbocar; the aftermarket presence for such kits is down to a package science, and, while somewhat reliable, is really the only option for more power. Subaru makes quite a few factory turbocars, using one or two different platforms, and, in light of this, there are no real aftermarket kits for forced induction, nor would they be cost effective or as powerful and reliable as a factory turbocar. By the time you got done messing with it, it wouldn't run right, would have swap quirks/gremlins, and would cost you about the same , or more, as if you'd just went ahead and bought an actual WRX or LGT anyway. There is literally nothing you can do to make your NA faster. If you want more speed, you need to figure out how to get out of your current car, and into one you really want. Link to comment Share on other sites More sharing options...
2point5 wagon Posted January 9, 2015 Share Posted January 9, 2015 the biggest turnoff of turbocharging a second generation legacy is the cost and tuning problem. ej25d is a bad motor to turbocharge, the phase1 blocks were the oddball of production when comparing to different block halves. Link to comment Share on other sites More sharing options...
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