• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

this is how...right?

  • Thread starter Thread starter carbed87
  • Start date Start date Aug 27, 2005

carbed87

Member
Jun 5, 2005
215
0
16
Aug 27, 2005
#1
  • Aug 27, 2005
  • #1
alright, this is AS FAR AS I KNOW how you adjust valves. fill me in on anything i'm missing and/or doing wrong.


1. with valve covers off, and both intake plenumns off, i start with the number 1 cylinder.

2. starting by turning the crank until the intake valve JUST starts to open, i adjust the exhaust side, by tightening down the rocker, until i see the "plunger" on the lifter depress just a sack hair (about 20 thousands of an inch).

3. rotate crank until the EXHAUST valve just begins to open, and do the exact same thing.

4. and do so to the rest of the cylinders.

5. go through all rockers and tourque them to about 18lbs.

the part i dont get, is shimming them,
why do i need to, what does that mean about my pushrod legnth?

if i need to shim my rockers with more than two shims, does that mean my pushrod is too long or short?

the heads i have are: cast iron gt-40's with pedistul mount rockers.


PLEASE: fill me in on anything that i'm not doing right, ANY help is GREATLY appriciated. thanks


im getting by these heads
 
9

91LXzzzH-T

New Member
Aug 27, 2005
3
0
0
Aug 27, 2005
#2
  • Aug 27, 2005
  • #2
my friend just read this thread and he said you need to set your valve spring pressure to 1400 psi before you even start
 

z9_87

New Member
Apr 16, 2004
332
0
0
Urbana, IL
Aug 27, 2005
#3
  • Aug 27, 2005
  • #3
um excuse me but, wtf 1400 psi. wow, the 9alx guy has it going 1400psi valve springs and he wants to put an acura motor in a fox!
 
You must log in or register to reply here.

Similar threads

G
Engine Pushrod Length Question
  • germain101
  • Sep 22, 2025
  • Fox 5.0 Mustang Tech
Replies
12
Views
620
Fox 5.0 Mustang Tech Sep 25, 2025
Noobz347
H
Ongoing Battle With Hydraulic Lifters
  • hailer06
  • Jun 8, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
7
Views
387
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Jun 9, 2026
Noobz347
Resolved Fixing a GT40P Valvetrain nightmare
  • foxbodyclark
  • May 21, 2025
  • Fox 5.0 Mustang Tech
Replies
7
Views
1K
Fox 5.0 Mustang Tech May 24, 2025
limp
S
New misfire after replacing valve seals/springs.
  • SpeedofDarkness
  • Aug 24, 2025
  • SN95 V6 Mustang Tech
Replies
0
Views
240
SN95 V6 Mustang Tech Aug 24, 2025
SpeedofDarkness
S
6
Hey all,I’m putting together a 302 for my 1968 Mustang and wanted to post the combo + some questions to make sure I’m not missing crucial
  • 68_Disgustang
  • Feb 22, 2026
  • 1965 - 1973 Classic Mustangs -General/Talk-
Replies
4
Views
1K
1965 - 1973 Classic Mustangs -General/Talk- Jun 20, 2026
gray owl
G
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 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?