• Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

3 valve swap

  • Thread starter Thread starter wikdgt
  • Start date Start date Apr 6, 2008

wikdgt

New Member
Mar 9, 2008
1
0
0
St Augustine Florida
Apr 6, 2008
#1
  • Apr 6, 2008
  • #1
I'm looking for info on a 3 valve 4.6 engine swap into a 2002 GT vert. Any tips or considerations would be appreciated.
 

BlownFiveLiter

have car, will race....wait, it doesn't run
15 Year Member
Nov 29, 1999
3,133
18
108
Chicagoland
Apr 12, 2008
#2
  • Apr 12, 2008
  • #2
You might have better luck in 4.6 Tech, rather than Fox Engine Swap Tech. I'll move it for you.
 

Green&GoldGT

Member
Aug 1, 2005
302
0
17
Virginia
Apr 13, 2008
#3
  • Apr 13, 2008
  • #3
Logan motorsports makes a kit that allows you to do the swap. You need the 3v throttle body and intake along with the heads and intake manifold. Adjustable cam gears are needed to disable the 3v variable valve timing. The biggest problem is that you will have piston to valve issues on a stock bottom end, so notched pistons are needed.
 

tank_567

Active Member
Mar 19, 2007
731
26
29
Raleigh, Nc
Apr 13, 2008
#4
  • Apr 13, 2008
  • #4
Green&GoldGT said:
Logan motorsports makes a kit that allows you to do the swap. You need the 3v throttle body and intake along with the heads and intake manifold. Adjustable cam gears are needed to disable the 3v variable valve timing. The biggest problem is that you will have piston to valve issues on a stock bottom end, so notched pistons are needed.
Click to expand...

well close, but you can use stock 2v cam gears and the Logan kit comes with a t/b adapter. The cc of the heads are the same as a DOHC engine. As long as you dont install big cams in you should be fine. The final thing you need is a custom tune. This has been done b/f with a stock 03 gt block.
 
You must log in or register to reply here.

Similar threads

W
I have some 4.6 questions.
  • whiskerz
  • Nov 14, 2025
  • SN95 4.6L Mustang Tech
Replies
5
Views
344
SN95 4.6L Mustang Tech Nov 25, 2025
squeak93
J
Engine Coolant leak from oil filter
  • jr273
  • Mar 26, 2026
  • SN95 4.6L Mustang Tech
Replies
9
Views
366
SN95 4.6L Mustang Tech Mar 31, 2026
squeak93
N
Looking for ECU/CHIP for 1992 5.0
  • Nathan26
  • Sep 26, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
9
Views
306
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Oct 8, 2026
Qtrhrse23
E
4.6l auto to 5.4l 6 speed
  • EastanF5
  • Jan 22, 2026
  • SN95 4.6L Mustang Tech
Replies
0
Views
245
SN95 4.6L Mustang Tech Jan 22, 2026
EastanF5
E
Engine Random Misfire at idle.
  • Gulftown980x
  • Jul 29, 2026
  • SN95 4.6L Mustang Tech
Replies
11
Views
575
SN95 4.6L Mustang Tech Jul 31, 2026
squeak93
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?