valve spring selection
03-11-2017, 10:45 AM
#1
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Join Date: Feb 2014
Location: waaayyyy up north in canada
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valve spring selection hello pple i have a 2003 5.3 with turbo and planning on replacing internal engine components starting with the top and working my way down,, what valve springs are good to maintain a good upper rpm rev with a .525+ cam, i've seen pac 1216,1218,,and so on . what experiences do you guys have with your set-ups, and are the gen 4 rocker arms stronger then the gen 3's ?
03-11-2017, 11:27 AM
#2
TECH Senior Member
This should be in Gen lll Internal......