Welcome to the North American Subaru Impreza Owners Club Monday January 20, 2020
Home Forums Images WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
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.







* As an Amazon Associate I earn from qualifying purchases. 
* Registered users of the site do not see these ads. 
 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 12-18-2005, 11:05 AM   #1
FuJi K
Scooby Guru
 
Member#: 3687
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

Default Head ports comparison

Here are pics of different heads from USDM to JDM variations old skool and new skool.

The REST of the head pics are all on PAGE 6 on post # 135 and down.
http://forums.nasioc.com/forums/show...1#post20924511


The MUCH TALKED about BIGport and SMALLport port runner casting style found in USDM/EURO/AUS WRX STi's
bigport

smallport



USDM WRX/STi/STI/FXT/LGT turbo models as of current PHASE 2 head


JDM STi PHASE 2 head





JDM Version 6 big port gallery
http://forums.nasioc.com/forums/show...1#post26035191

Head tech talk
http://forums.nasioc.com/forums/show...t=springs+sohc

EJ20G and '96 EJ25D pics
http://forums.nasioc.com/forums/show...5#post21618155

Combustion Chamber comparison EJ205/EJ255/EJ257
http://forums.nasioc.com/forums/show...1#post25994221

Last edited by FuJi K; 06-24-2009 at 02:36 PM.
FuJi K 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
head porting and arp head studs..... ejsportcom Built Motor Discussion 6 03-24-2006 01:05 PM
IL: Gruppe-s header, TXS TBE, APS UP, Axis Stg 4, Ported heads, Ported TB, Manifold BLUETURBOWRX Private 'For Sale' Classifieds 20 03-06-2005 07:19 PM
IL:Gruppe-s Header,TXS TB,APS UP,Axis Stg 4, Ported heads,Ported TB,Manifolds & more. BLUETURBOWRX Mid West Subaru Owners Club Forum -- MWSOC 14 02-23-2005 10:47 PM
throttle body & head porting? JST Normally Aspirated with bolt-on Forced Induction Powertrain 5 07-23-2002 09:24 AM

All times are GMT -4. The time now is 10:44 AM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2020 Axivo Inc.
Copyright ©1999 - 2019, North American Subaru Impreza Owners Club, Inc.

As an Amazon Associate I earn from qualifying purchases.