Stock valvetrain, can it handle upgraded cams?

Discussion in 'SVT Forum' started by tomustang, Jul 20, 2005.

  1. tomustang Psychotic Member

    Member Since:
    Jun 8, 2000
    Message Count:
    5,018
    Likes Received:
    0
    Trophy Points:
    76
    Do I need to upgrade the springs if I get a hotter cam? can the stock valvetrain take abuse from 7500-8000rpms with a raised rev limit?
    tomustang, Jul 20, 2005
    #1

  2. mijon61 New Member

    Member Since:
    Jun 11, 2002
    Message Count:
    46
    Likes Received:
    0
    Trophy Points:
    0
    Stock springs are only good until about .450 lift. Some will say .475 lift. You will have valve float at 8000 rpm with stock springs no matter what.
    mijon61, Jul 21, 2005
    #2

Share This Page