Welcome to the North American Subaru Impreza Owners Club Sunday September 24, 2017
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
Go Back   NASIOC > NASIOC Technical > Subaru Conversions

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads. 
Thread Tools Display Modes
Old 01-10-2004, 12:19 AM   #1
Scooby Specialist
Member#: 28685
Join Date: Nov 2002
Location: Reno, Nevada
2004 FXT 4EAT
very STi'd

Default v7/v8 JDM intake manifold -> Phase II SOHC heads?

Searched and searched to no avail- can anybody verify for me that I can bolt JDM STi intake manifolds to my RS heads? I thought all Phase II parts could be pretty much mismatched as you please to some degree or other as far as heads, blocks, and manifolds go, but I have heard rumblings otherwise. The purpose is to put nicely a flowing manifold on ported/cammed SOHC heads on an EJ257 block for my true RS-T build (as opposed to EJ20/STi engine swap).

Secondly- if you have an STi (or STi RA, or STi RA Spec C) manifold AND throttle body AND TGV housings and it works with top-feed injectors, PM me to sell it.
* Registered users of the site do not see these ads.
BAN SUVS is offline   Reply With Quote
Sponsored Links
* Registered users of the site do not see these ads.
Old 01-10-2004, 05:11 PM   #2
Scooby Guru
Member#: 5218
Join Date: Mar 2001
Chapter/Region: MWSOC
Location: SAUL'S Motorsports
96L Most Over-
Developed Beater


If it's the same as on previous EJ series motors, no. The SOHC and DOHC heads have different manifold mounting patterns. SOHC having staggered bolts and DOHC having inline bolts.

Phase I and II don't seem to have anything to do with it. I just bought a 2002 WRX manifold to go onto a 97 EJ25, and it fits no problem.

Jay Storm
Storm is offline   Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Phase II SOHC heads on EJ257 markf4e Built Motor Discussion 13 11-18-2009 08:28 PM
JDM intake manifold --> 04 WRX Clark Kent Subaru Conversions 13 05-28-2009 10:00 AM
Early SOHC intake manifold bolt to phase 2 SOHC heads?? Will ECU work with cam sensor ciper Normally Aspirated Powertrain 7 08-26-2008 05:35 PM
Phase II SOHC heads question Marnix Normally Aspirated Powertrain 5 10-24-2006 07:22 AM
2004 WRX Heads vs. Phase II SOHC RS heads... latinskllz Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 6 06-28-2004 12:28 PM

All times are GMT -4. The time now is 02:19 AM.

Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2017 Axivo Inc.
Copyright ©1999 - 2017, North American Subaru Impreza Owners Club, Inc.