Heads
Apr 14, 2006 | 11:31 AM
Thread Starter
Joined: Oct 2004
Posts: 16,600
Likes: 24
From: Type R
Heads
How much difference is there between sti v3 and v4 heads?
Apr 14, 2006 | 12:57 PM
Thread Starter
Joined: Oct 2004
Posts: 16,600
Likes: 24
From: Type R
I have been offered a complete sti 4 engine and would like to know the difference between the heads, and how much affect it will have on performance as the car was mapped on a power fc with v3 engine.
Apr 14, 2006 | 01:41 PM
Joined: Mar 2004
Posts: 316
Likes: 0
From: 94wrx 341bhp/328lbtorque 6 speed box
I thought the heads were the same but the V3 had a slightly wilder cam profile.
Apr 14, 2006 | 01:44 PM
Thread Starter
Joined: Oct 2004
Posts: 16,600
Likes: 24
From: Type R
Cheers Nathan, really interested to know how much difference there is in the cam profile.
Apr 16, 2006 | 04:38 PM
Thread Starter
Joined: Oct 2004
Posts: 16,600
Likes: 24
From: Type R
Apr 16, 2006 | 08:13 PM
Joined: Jan 2001
Posts: 16,548
Likes: 2
From: ECU Mapping - www.JollyGreenMonster.co.uk
Agree with Nathan.. cams are slightly wilder.. is you old engine not STi3?
Remove and compare and run the best set
Simon
Apr 16, 2006 | 08:23 PM
Thread Starter
Joined: Oct 2004
Posts: 16,600
Likes: 24
From: Type R
Simon will you be okay to fit the injectors and fpr during the remap?
Apr 18, 2006 | 09:40 AM
Joined: Jan 2001
Posts: 16,548
Likes: 2
From: ECU Mapping - www.JollyGreenMonster.co.uk
Quote:
Originally Posted by banny sti
Simon will you be okay to fit the injectors and fpr during the remap?
yeah shouldn't be a problem.
Your fuel pressure reg is held on with the hex head screws so comes undone reasonably easy..
Simon
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
KAS35RSTI
Subaru
27
Nov 4, 2021 07:12 PM
bluebullet29
General Technical
9
Oct 5, 2015 02:17 PM
Ganz1983
Subaru
5
Oct 2, 2015 09:22 AM
Raptorman
ScoobyNet General
0
Oct 1, 2015 06:46 PM
bluebullet29
General Technical
2
Sep 27, 2015 07:52 PM
