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How To Tell If Its An Sti Block Or Wrx? Engine Codes


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Posted (edited)

Hi i had a new block on order for 4 weeks. Finally arrived this morning after many threats. Now i dont trust the guy and want to be sure its what i ordered. Arrived with no paperwork in a sealed Subaru box. Its meant to be a 2.5 sti block for my P1.

Many numbers on it so not sure if one tells you its an STI?

EJ25 is on it so its a 2.5 anyway.Other numbers;

B25C 703

53254L

AA,67 67BB12111???

Anyone got a clue or will it just be subaru who could tell me?

Thanks, Brian.

Edited by jimmyGforce
Posted (edited)

The one on Ebay makes it difficult to tell if it's a proper 257 block, as it has a head gasket covering it.

The block you got, should have an embossed area with EJ25 on it and A or B stamped in the middle of the top, in line with each bore, relative to which piston is an A or B.

This is a semi-closed deck EJ257 block...

257sb.jpg

Edited by drb5
Posted
The one on Ebay makes it difficult to tell if it's a proper 257 block, as it has a head gasket covering it.

The block you got, should have an embossed area with EJ25 on it and A or B stamped in the middle of the top, in line with each bore, relative to which piston is an A or B.

This is a semi-closed deck EJ257 block...

257sb.jpg

Doesnt the wrx block just look the same though?

Posted

IIRC the difference is in the pistons....don't think there's any difference in the block. As long as it's semi-closed i wouldn't bother about anything else block related(unless of course it's damaged lol)

Not sure what pistons are fitted to the above pic, but the STi piston face should look like this...

ej25_rebuild_kit.jpg

Posted
IIRC the difference is in the pistons....don't think there's any difference in the block. As long as it's semi-closed i wouldn't bother about anything else block related(unless of course it's damaged lol)

Not sure what pistons are fitted to the above pic, but the STi piston face should look like this...

ej25_rebuild_kit.jpg

So semi closed is sti spec? Problem is i dont know what the differnec is visually lol.

Hypertech have my car so i take it Dunc could tell easily?

Posted
So semi closed is sti spec? Problem is i dont know what the differnec is visually lol.

Hypertech have my car so i take it Dunc could tell easily?

Bolck looks the same from memory. Its at my folks garage the now though

Posted
If the block is semi-closed it has the little tags linking the bore to the outer wall of the block(as shown above). Hope this helps!

Checked out the block and its the same.

Thanks for the help. Now just need the remainder of my order and im cooking wi gas :lol:

Worst service ever and i bet folk even know where i'm talking about without me saying!

Posted

I've never had a problem getting parts from this company, but know of a guy who ordered a 2.5 and all the accessories after a couple of months eventually got all the parts after god knows how many phone calls, visits to the unit and finally threatening to come round to his house.

4 weeks doesn't to bad, just hope you get everything else you ordered.

Posted

i don't mind waiting for things. Its people being dishonest and not giving me information i hate. Was expecting a 3 week wait or so anyway.

The fact was i heard nothing for 3 weeks after ordering so i asked him what was happening. If he had said he was having problems and told me of delays i wouldn't have cared but he told me it was due to be sent the next day.

Status on site changed to "awaiting courier pickup" I had holidays off my work for a week so i'd be in. 11 days later still saying the same. Not answering any questions i was asking on emails. Just fobbing me off saying it will be sent asap.

I had to threated to claim my money from credit card company and post all the emails on car club sites and it miraculously appeared. Not an honest man.

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