Intake Manifold Swap

VRoman · Post by **VRoman** » Mon Oct 23, 2006 4:41 pm

Does Intake Manifold from a 1999 2.5L Impreza RS fit on a 1994 Legacy EJ22?

Post by **Legacy777** » Mon Oct 23, 2006 6:01 pm

VRoman · Post by **VRoman** » Tue Oct 24, 2006 7:30 am

Thanks... Is there anything I can do to make it fit, besides replacing the cylinder heads?

Post by **Legacy777** » Tue Oct 24, 2006 6:06 pm

not that I know of.

Soarer · Post by **Soarer** » Fri Mar 09, 2007 6:49 pm

BXSS told me that you can use that intake as long as you use the heads as well. I'd check with him as he has a deeper knowledge of this swap than I do. He's a really knowledgeable and nice guy.

DangerWagon · Post by **DangerWagon** » Wed Apr 11, 2007 11:52 am

How about a intake manifold from a '97 ej22 onto a '93 ej22t. if so would it even do any good. I just have a bad engine sitting around and wondering if I can use any of the parts off it.

DangerWagon · Post by **DangerWagon** » Wed Apr 11, 2007 11:53 am

Sorry I meant to ask about heads as well, would they do anything to impove flow?

temjin · Post by **temjin** » Tue Apr 17, 2007 3:51 pm

I would also like to know if this would work. I have the heads (and the rest of the engine) from a 1999 2.5rs. I was wondering what would be the benefits if any of swapping the intake manifold along with the heads into an ej22t

555BCTurbo · Post by **555BCTurbo** » Tue Apr 17, 2007 7:28 pm

temjin wrote:I would also like to know if this would work. I have the heads (and the rest of the engine) from a 1999 2.5rs. I was wondering what would be the benefits if any of swapping the intake manifold along with the heads into an ej22t

Better flowing heads=more air in motor=generally more power

temjin · Post by **temjin** » Tue Apr 17, 2007 9:27 pm

does the intake manifold from a 1999 2.5rs flow better than the stock ej22t ones? I just want to know what I can/should take from my RS engine to put on the ej22t

stipro · Post by **stipro** » Tue Apr 17, 2007 11:00 pm

temjin wrote:does the intake manifold from a 1999 2.5rs flow better than the stock ej22t ones? I just want to know what I can/should take from my RS engine to put on the ej22t

The cylinder heads flow better. I dont think the intake would account for much. Swap over the heads and intake. I does require some work though.

IronMonkeyL255 · Post by **IronMonkeyL255** » Tue Apr 17, 2007 11:19 pm

http://www.imprezahybrid.net/

Click the link 'Out flowing the EJ22T and LS1 heads.'

On the second page, he has (courtesy of Cobb) flowbench data of stock EJ22T heads and stock EJ25 SOHC heads (and Chevy LS1 heads....).

temjin · Post by **temjin** » Tue Apr 17, 2007 11:41 pm

Yeah, thanks for all the info. I think Im gonna like this place. Ive read the hybrid impreza website. Thats something like what Im aiming for. But Im putting this engine into my 1999 rs. I'll probably spend half my time here and the other half on rs25.com

555BCTurbo · Post by **555BCTurbo** » Wed Apr 18, 2007 12:08 am

temjin wrote: I think Im gonna like this place.

Good

This is seriously the most knowledgable/informative Subaru related forum I have ever seen...and I would venture to say, on the internet...

legacycentral bbs

A forum for 89-94 BC-BF(BJ) Legacy Owners and Fans

Intake Manifold Swap

Intake Manifold Swap