Originally Posted by
ztunedsr20 What can one expek the rpm limit raised to,safe zone and valve float with this 123lbs+titanium retainers on a ve with stock valves?
123lb springs are too stiff in my opinion and from what Ive seen for any setup. The create premature rocker pad wear. 93lb duals will be more than enough. Stock VE valves depending if its NA or Turbo. N/A around 8500 turbo 7500. Exhaust valves are a sure thing to go.