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phase I block with Phase II heads experience anyone?

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Anyone have experience with a Phase I EJ22 block with Phase II EJ25 heads?

 

Not worried about details for getting it to work, only wondering about performance.

 

Searched and saw no others here or NASIOC, everyone is going the other way.

Edited by grossgary

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GG-

 

FYI, your title is asking a different question than the body of the post.

 

Are you asking about mixing & matching heads & blocks, or mixing & matching engines and chassis?

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Thanks, I reworded it a bit. I read the same thing but it's easy to get lost in this maze.

 

Phase I EJ22 (or even EJ25?) block with Phase II EJ25 heads.

Edited by grossgary

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Thanks, I reworded it a bit. I read the same thing but it's easy to get lost in this maze.

 

Phase I EJ22 (or even EJ25?) block with Phase II EJ25 heads.

 

as i understand it the blocks are dumb. so unless a block/ head combination would cause piston to valve interference i don't see why it would not work.

 

but rumor has it you will have low compression. too low??

 

there's a kid? over on legacygt.com who is asking similar questions but all phase 1 stuff. ej25 heads on an ej22 block. he wants to boost it. i keep wanting to tell him he has more money than experience but ... what can you do , kids today!?!?

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if you got a link to that thread (if you're subscribed or know his user name, etc), post it here.

 

is there a difference between Phase I EJ22 and EJ25 piston clearance?

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if you got a link to that thread (if you're subscribed or know his user name, etc), post it here.

 

is there a difference between Phase I EJ22 and EJ25 piston clearance?

 

he started here:

 

http://legacygt.com/forums/showthread.php/phase1-2-ej22-mixin-and-mingling-153650.html?t=153650

 

and then moved to here:

 

http://legacygt.com/forums/showthread.php/general-engine-build-advice-153946.html?t=153946

 

i don't know squat about turbo stuff so i can't really comment.

 

he may have another , older thread that is related as well.

Edited by johnceggleston

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