Jab83 Posted September 6, 2011 Share Posted September 6, 2011 Does anyone know if there would be any problems putting these heads on one? I have a guy wanting to buy my heads to put em on his Ej257 but he's concerned with oil fittings. I couldn't find any info on that. so i thought i'd ask. Help me make money so I can build a 2nd gen H6. lol Link to comment Share on other sites More sharing options...
johnegg Posted September 6, 2011 Share Posted September 6, 2011 the blocks are the same so no problem swapping the heads. but if he uses your ej25d heads, he will have a lot of trouble putting the engine in a third gen car. second gen no problem, third gen big problem. Link to comment Share on other sites More sharing options...
Jab83 Posted September 6, 2011 Author Share Posted September 6, 2011 whys that?? he's i think putting it in a WRX or sti. Link to comment Share on other sites More sharing options...
TexasLegacy2.5GT Posted September 6, 2011 Share Posted September 6, 2011 JohnE, is probably going on the premis that he was looking to put the engine in another Lego. Link to comment Share on other sites More sharing options...
johnegg Posted September 6, 2011 Share Posted September 6, 2011 you can not easily take a phase 1 ej25 from a second gen car and swap it into a third gen car. it takes a lot of work , time and probably some money. having said that, i know absolutely NOTHING about a WRX or STi. but i know the blocks will interchange. Link to comment Share on other sites More sharing options...
WESTcoast Posted September 6, 2011 Share Posted September 6, 2011 physically like everyone says, it will bolt right up to your trans. Because the phase 2 engines in 3rd gens are are different in ways of smog, and small little things, wiring is also needed. Also 2nd gens legos were the last to have the DOHC and 3rd gens and the rest of subaru's american n/a fleet got the SOHC treatment. With this said, your looking at wiring differences and a change of the ecu, and maybe harness. Link to comment Share on other sites More sharing options...
Jab83 Posted September 6, 2011 Author Share Posted September 6, 2011 its not me wanting to do it. idk. The dude on a local forum said he wants new heads. I think he's doing a long block build. So idk. what his goal is. But the only prob he will have is wiring probs and such??? Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted September 6, 2011 I Donated Share Posted September 6, 2011 He can't use the 25D heads on a turbo setup because of oil feed lines to the turbo are not there on 25D heads -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
Baddog Posted September 6, 2011 Share Posted September 6, 2011 But he can tap for them. And EJ25D heads flow GREAT Link to comment Share on other sites More sharing options...
Jab83 Posted September 7, 2011 Author Share Posted September 7, 2011 WTF. John just told me they dont flow that great. ANd you say they do. He looking for very short amount of down time and 200 bucks isn't cheapenough for him :/ Link to comment Share on other sites More sharing options...
SpecBamf41 Posted September 7, 2011 Share Posted September 7, 2011 hell. my whole engine is being sold for 150. BNR18g on 93oct Link to comment Share on other sites More sharing options...
Jab83 Posted September 7, 2011 Author Share Posted September 7, 2011 sell it for more. the ej25d heads I've seen going for 150 to 200 a head. So 200 for both i thought was a good price.. I'm trying to get my money back for buying the engine i got. lol. Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted September 7, 2011 I Donated Share Posted September 7, 2011 I believe the EJ205 heads flow better then the 25D heads -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
SpecBamf41 Posted September 7, 2011 Share Posted September 7, 2011 ok. so i should take it apart? i want to anyway cause it would be fun.. hell i should give it to the school so they can take it apart and rebuild it. inside of the stupid 5hp honda engines that you can do in 3 days an hour a day. BNR18g on 93oct Link to comment Share on other sites More sharing options...
Baddog Posted September 7, 2011 Share Posted September 7, 2011 EJ25D heads flow better then USDM 2.0 heads. lol Give it a mild port and polish and some cams. Get some great power from them. Number one choice for guys with EJ22T's too. Link to comment Share on other sites More sharing options...
Jab83 Posted September 7, 2011 Author Share Posted September 7, 2011 I'll prob keep em. HE doesn't want em. I'll throw it on my 22. later in a few months. prob get a lil more power. Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted September 7, 2011 I Donated Share Posted September 7, 2011 ok. so i should take it apart? i want to anyway cause it would be fun.. hell i should give it to the school so they can take it apart and rebuild it. inside of the stupid 5hp honda engines that you can do in 3 days an hour a day. Don't take it apart.Sell it to me as is for $25.00 -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
Jab83 Posted September 7, 2011 Author Share Posted September 7, 2011 lol. take it apart sell it in piece's it'll prob take longer to sell but you'll make more money. Link to comment Share on other sites More sharing options...
SpecBamf41 Posted September 7, 2011 Share Posted September 7, 2011 ill polish up what ever i can. and sell. polished intake, alternator, headcovers, block, heads, would sell for boat loads. BNR18g on 93oct Link to comment Share on other sites More sharing options...
Jab83 Posted September 7, 2011 Author Share Posted September 7, 2011 yeah. I have to scrap the alternator its dead. :/ and I'll prob polish everything up also Link to comment Share on other sites More sharing options...
DOHCEJ22E1 Posted September 7, 2011 Share Posted September 7, 2011 What 25D heads does he have before we jump to conclusions? Hydraulic or solid heads? I don't see the hydraulic heads being bolted to the 257 block a good idea because 1, they're hydraulic & 2, they need some work to take in air as well as the solid 25D. Link to comment Share on other sites More sharing options...
Jab83 Posted September 11, 2011 Author Share Posted September 11, 2011 alright. completely diff subject now. But will 04 wrx heads bolt right up to my 2.2?? or is there modding to do?? I'm going to turbo it. just wanna make sure it will all line up. Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted September 11, 2011 I Donated Share Posted September 11, 2011 Yes they will bolt right up. I suggest getting ARP head studs for it while you're in there. You can buy them off of ebay for about $150 -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
Jab83 Posted September 12, 2011 Author Share Posted September 12, 2011 Yeah i plan on that. will it need thicker head gaskets?? Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted September 12, 2011 I Donated Share Posted September 12, 2011 I can't say for sure, but its better to run a thicker gasket to be on the safe side. Plus thicker head gaskets give you a bit of a performance gain anyways. I'll dig up the info you need as far as what size gasket would work best -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
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