comatosellama Posted March 18, 2015 Share Posted March 18, 2015 Title says it all Link to comment Share on other sites More sharing options...
nicholi2789 Posted March 18, 2015 Share Posted March 18, 2015 (edited) I'm pretty sure that if you take the heads off that and bolt them onto an EJ22 block you will have the perfect Turbo friendly Frankenmotor. Could be wrong though. Edited March 18, 2015 by nicholi2789 1 Link to comment Share on other sites More sharing options...
lmdew Posted March 18, 2015 Share Posted March 18, 2015 yes, you will need to modify the stock HG a little or buy the custom HG to have all the coolant passages line up. Link to comment Share on other sites More sharing options...
comatosellama Posted March 18, 2015 Author Share Posted March 18, 2015 I'm pretty sure that if you take the heads off that and bolt them onto an EJ22 block you will have the perfect Turbo friendly Frankenmotor. Could be wrong though. More info about that? Sounds awesome Link to comment Share on other sites More sharing options...
Fairtax4me Posted March 18, 2015 Share Posted March 18, 2015 Which frankenmotor do you want to build? Many different combinations of heads and block can be put together and made to work. It all depends on if you want to do N/A or Forced induction, and what car you want to put it in. Link to comment Share on other sites More sharing options...
comatosellama Posted March 18, 2015 Author Share Posted March 18, 2015 Which frankenmotor do you want to build? Many different combinations of heads and block can be put together and made to work. It all depends on if you want to do N/A or Forced induction, and what car you want to put it in. I think for now I'd just be doing N/A, as I don't really know where to get the tuning done, and it's my only dd so I don't think I'd have the time to do FI, but I'd prefer it. But in realistic terms, it'd be NA and going into my 99 legacy gt. Changing from dohc to sohc and the belts for that is confusing to me. New to engine internals with subarus. To be honest I don't how at what part of the head the head gasket is Link to comment Share on other sites More sharing options...
ocei77 Posted March 18, 2015 Share Posted March 18, 2015 No offense, but if you don't know what/and where a hg is, you should not be attempting this. Insofar as DOHC heads on an EJ22, which would be boost friendly, go to legacygt.com and look up posts by DOHCEJ22e and you'll find complete info on this particular hybrid. Do search on frankenmotor for the other way around. O. Link to comment Share on other sites More sharing options...
comatosellama Posted March 19, 2015 Author Share Posted March 19, 2015 No offense, but if you don't know what/and where a hg is, you should not be attempting this. Insofar as DOHC heads on an EJ22, which would be boost friendly, go to legacygt.com and look up posts by DOHCEJ22e and you'll find complete info on this particular hybrid. Do search on frankenmotor for the other way around. O. That's only because I've had no reason to pull them 181k and no HG issue on a ej225D (the gods blessed me). I was confused between the actual place and the valve cover gasket. I know I can do it I've been working on engines my entire life, maytag one cylinders to huge cast iron tractor engines to my miata (full rebuild). Link to comment Share on other sites More sharing options...
lmdew Posted March 19, 2015 Share Posted March 19, 2015 Search this form for frankenmotor, lots of info out there already. Might also do a google for frankenmotor Subaru as there are many other forms that will have additional info as well. Link to comment Share on other sites More sharing options...
86 Wonder Wedge Posted March 21, 2015 Share Posted March 21, 2015 (edited) The common Frankenmotor is the 25D bottom end with 22E top end. High compression and nice torque. DOES require premium fuel though, IIRC. Would also have the bores checked and rods/mains journals checked while you're at it. 183K is usually nothing for cylinder wear, but the 25D bores can become out of round fairly easily (from the HM ones I've redone). OR if you're not going to split the halves, have a back-up motor on standby. Higher stress means higher chances of problems on these. Edited March 21, 2015 by 86 Wonder Wedge Link to comment Share on other sites More sharing options...
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