what valve springs to run?

Discussion in 'Fox 5.0 Mustang Tech' started by 88bluepony, Nov 17, 2011.


  1. 88bluepony

    88bluepony New Member

    Joined:
    Aug 3, 2011
    Messages:
    6
    Likes Received:
    0
    Trophy Points:
    0
    Location:
    northwest ohio
    i got an 88 mustang gt and i want to put the frpp b303 cam, its the cam for me and fits my application perfectly, i just dont know what springs to run, i was hoping someone could help me out, i was looking at running trick flows 5.0/5.8 spring upgrade kit, it lets you run a cam up to .542 lift but this cam is .480 lift.. is that too little? i need help..
     
    #1
  2. DavidEwers

    DavidEwers Member

    Joined:
    Sep 24, 2011
    Messages:
    208
    Likes Received:
    4
    Trophy Points:
    18
    Location:
    Somewhere in Paradise
    I am not trying to be a smart ass but what does the word upto mean to you? In fact that spring may have too much seat pressure for you. I would say go to Comp cams and find a cam that is close to the same lift and see what spring they suggest. If you want to talk to someone there, call them and ask for Chris Padgett. I have dealt with him for many years for my stockers, he is very knowledgeable.
     
    #2
  3. Shaolin Crane

    Shaolin Crane Banned

    Joined:
    Oct 6, 2008
    Messages:
    5,610
    Likes Received:
    1
    Trophy Points:
    0
    Location:
    Kommiefornia
    Knowing what heads you have would be a good start
     
    #3
  4. 88bluepony

    88bluepony New Member

    Joined:
    Aug 3, 2011
    Messages:
    6
    Likes Received:
    0
    Trophy Points:
    0
    Location:
    northwest ohio
    "up to" means they can handle a maximum cam lift of .542, the cam i want is .480 lift, are those springs to strong to where the cam cant open the valve? and i have stock e7 heads
     
    #4
  5. Shaolin Crane

    Shaolin Crane Banned

    Joined:
    Oct 6, 2008
    Messages:
    5,610
    Likes Received:
    1
    Trophy Points:
    0
    Location:
    Kommiefornia
    Stay away from the alphabet cams then, especially the b-cam
     
    #5
  6. Rick 91GT

    Rick 91GT SN Certified Technician Site Sponsor

    Joined:
    Nov 30, 1999
    Messages:
    9,702
    Albums:
    1
    Likes Received:
    94
    Trophy Points:
    99
    Location:
    PA
    The lift measurement they give you is more in reference to a coil bind height... Like others we need to know what head, what retainer and a little more on the combo
     
    #6

Share This Page