Head Swap question

Heads, valves, pistons, rods, crankshaft, etc...

Moderators: Helpinators, Moderators

Post Reply
czaplicki
In Neutral
Posts: 6
Joined: Tue Sep 18, 2007 6:51 pm
Location: Castle Rock, Colorado

Head Swap question

Post by czaplicki »

I have a 2.2T (EJ22T) Legacy engine. I would like to rebuild it for rally. I want to get more power out of it. I would like to change the heads to 2.5 heads (NA EJ25), do pistons, cams, etc. Does anyone know what heads I can run (what years, phase, and head gasket?). Any brand on pistons, and cams? Anything would help!
1996 Impreza 1.8 to 2.2T Swap
Top
Arctic Assassian
Third Gear
Posts: 935
Joined: Sat Apr 14, 2007 12:20 am
Location: Anchorage, Alaska

Post by Arctic Assassian »

Search. search. search... sear............CH! look two threads up! search for freaking head swap! There are so many answers on the first two pages of this forum its not even funny.
Kickin' it old-school.
Top
dropdfocus
Fourth Gear
Posts: 1937
Joined: Sun Sep 07, 2003 5:57 am
Location: Williamsport, PA
Contact:
Contact dropdfocus

Post by dropdfocus »

Yes, please use the search function that the forum offers. I will offer this link as assistance for you since my motor has the swap done:
http://wac.addr.com/auto/obs/turbo/ejcalcs.html
Jason
'92 LSS "Trixie" - TD04, '06 WRX TMIC, Invidia D/P & TXS U/P, 3" APEX'i CBE, custom intake, TXS MBC & BPV
Perrin LCP, WRX & H6 brakes, S/S lines, Cusco H-brace & RSTB, AGX's, Progress springs, SimplySubie fender braces
Top
Dantes Inferno
First Gear
Posts: 52
Joined: Thu Sep 14, 2006 2:37 pm
Location: Vancouver, BC Canada
Contact:
Contact Dantes Inferno

Post by Dantes Inferno »

Since youve done the swap. What did you do about the larger diameter of the 2.5 head vs the 2.2 block?

And what did you do about the oil line not mating from the 2.2 block to the 2.5 manifold?
Top
Arctic Assassian
Third Gear
Posts: 935
Joined: Sat Apr 14, 2007 12:20 am
Location: Anchorage, Alaska

Post by Arctic Assassian »

You have to drill and tap a new fittting for the oil line, and always use the gasket that corresponds to the head. It is a HEADgasket.
Kickin' it old-school.
Top
dropdfocus
Fourth Gear
Posts: 1937
Joined: Sun Sep 07, 2003 5:57 am
Location: Williamsport, PA
Contact:
Contact dropdfocus

Post by dropdfocus »

Or you can use the oil filter sandwich. That's what I'm using and a few other people w/ Imprezas have done the same & it works just fine.
Jason
'92 LSS "Trixie" - TD04, '06 WRX TMIC, Invidia D/P & TXS U/P, 3" APEX'i CBE, custom intake, TXS MBC & BPV
Perrin LCP, WRX & H6 brakes, S/S lines, Cusco H-brace & RSTB, AGX's, Progress springs, SimplySubie fender braces
Top
Arctic Assassian
Third Gear
Posts: 935
Joined: Sat Apr 14, 2007 12:20 am
Location: Anchorage, Alaska

Post by Arctic Assassian »

whats the oil filter sandwich?
Kickin' it old-school.
Top
dropdfocus
Fourth Gear
Posts: 1937
Joined: Sun Sep 07, 2003 5:57 am
Location: Williamsport, PA
Contact:
Contact dropdfocus

Post by dropdfocus »

http://cgi.ebay.com/ebaymotors/SUBARU-W ... enameZWDVW
Jason
'92 LSS "Trixie" - TD04, '06 WRX TMIC, Invidia D/P & TXS U/P, 3" APEX'i CBE, custom intake, TXS MBC & BPV
Perrin LCP, WRX & H6 brakes, S/S lines, Cusco H-brace & RSTB, AGX's, Progress springs, SimplySubie fender braces
Top
BB
First Gear
Posts: 71
Joined: Sat Nov 18, 2006 2:15 am
Location: Somewhere, Canada

Post by BB »

If you've got a caged car, you're probably running p4, but swapping heads would put you head to head with open class cars right?

Yeah headswap can net some serious gains, but its not for the faint of heart.
Bruce Beveridge
Mech. Eng

'94 Impreza L- DOHC EJ22T Swapped again.
'94 SS - Swapped again, 5MT, Flipped, RIP
'94 SS - Swapped 5MT - DOHCEJ22T, VF37
Top
Post Reply

Return to “Engine”