• Mustang Forums
  • 2005 - 2014 S-197 Mustang -General/Talk-
  • 2005 - 2009 Specific Tech

Valve Float

  • Thread starter Thread starter timjimmy
  • Start date Start date Jul 22, 2013

timjimmy

Active Member
Jul 7, 2013
215
12
29
Clarksville, TN
Jul 22, 2013
#1
  • Jul 22, 2013
  • #1
Anybody know the approximate RPM that factory 3V springs begin to float the valves with the stock or a conservative lift "no springs required" cam?
 
You must log in or register to reply here.

Similar threads

D
First post 289 rebuild question!
  • Ddyer2868
  • Nov 24, 2025
  • Classic Mustang Specific Tech
Replies
3
Views
284
Classic Mustang Specific Tech Dec 5, 2025
rednotch
9
Does anyone else have a combo close to this
  • 90Stanger302
  • Dec 10, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
4
Views
264
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Dec 25, 2025
Qtrhrse23
Q
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
W
I have some 4.6 questions.
  • whiskerz
  • Nov 14, 2025
  • SN95 4.6L Mustang Tech
Replies
5
Views
295
SN95 4.6L Mustang Tech Nov 25, 2025
squeak93
J
Engine LOSS OF POWER AT 4,000 RPM.
  • Jarhead67
  • Nov 17, 2024
  • Fox 5.0 Mustang Tech
  • 2
Replies
38
Views
2K
Fox 5.0 Mustang Tech Jan 25, 2025
Jarhead67
J
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 2005 - 2014 S-197 Mustang -General/Talk-
  • 2005 - 2009 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?