• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • 1994 - 1995 Specific Tech

gt40ps with bigger valves!!help!!

  • Thread starter Thread starter 96darkhorse
  • Start date Start date Mar 30, 2004
9

96darkhorse

Founding Member
Oct 2, 2001
693
0
16
wilmington, california
Mar 30, 2004
#1
  • Mar 30, 2004
  • #1
im putting 1.94/1.60 valves on my gt40ps...i think im gonna have ptv clearance issues...what do you guys think...if it becomes an issue what can i do to solve it??
 

tmoss

Gettin Wired
Founding Member
Jun 28, 2001
7,153
32
128
Saint Louis, MO
Mar 30, 2004
#2
  • Mar 30, 2004
  • #2
Mine have 1.90/1.54 valves and with my stock cam I have .139"I/.149"E, so you may not have a problem. I'd say you have to clay it or do the drop valve test to know for sure.
 
N

Nagash01WS6

New Member
Apr 15, 2003
402
0
0
Deland, FL
Mar 30, 2004
#3
  • Mar 30, 2004
  • #3
Clay it to be safe.
 
9

96darkhorse

Founding Member
Oct 2, 2001
693
0
16
wilmington, california
Apr 8, 2004
#4
  • Apr 8, 2004
  • #4
would a thicker head gasket help??? im also gonna go with a fti cam matched to the heads
 

95snoozer

Active Member
Dec 14, 2002
2,572
1
48
RCR
Apr 9, 2004
#5
  • Apr 9, 2004
  • #5
the stock valve relieves are for a 2.0 diameter

so.. 1.94 < 2.0
 
You must log in or register to reply here.

Similar threads

J
Emission problems
  • jls.zmmr
  • Feb 5, 2026
  • 1994 - 1995 Specific Tech
Replies
2
Views
228
1994 - 1995 Specific Tech Feb 7, 2026
AeroCoupe
D
First post 289 rebuild question!
  • Ddyer2868
  • Nov 24, 2025
  • Classic Mustang Specific Tech
Replies
3
Views
247
Classic Mustang Specific Tech Dec 5, 2025
rednotch
Engine (EGR Deleted) Solution the hotter combustion chambers?
  • PonyGTrider
  • Jan 21, 2026
  • Fox 5.0 Mustang Tech
  • 3 4 5
Replies
97
Views
3K
Fox 5.0 Mustang Tech May 2, 2026
PonyGTrider
S
Best place to source power steering parts for a '67? (control valve, ram, hoses)
  • SophiaTatum
  • Jun 15, 2026
  • Classic Mustang Specific Tech
Replies
2
Views
60
Classic Mustang Specific Tech Jun 18, 2026
SophiaTatum
S
T
Oil burning on my recently buil 302
  • The blk67
  • May 15, 2026
  • Fox 5.0 Mustang Tech
Replies
3
Views
132
Fox 5.0 Mustang Tech May 15, 2026
Noobz347
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • 1994 - 1995 Specific 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?