Tired 2003 Marauder. What to do?

Crower Stage 2 Cobra Cam Specs (PN 62822-4)
  • Application: 1996-2004 Ford Cobra 4.6L 4V (Supercharged/Hot Street)
  • RPM Range: 1750 to 6500 RPM
  • Duration @ .050":

    (Intake) /

    (Exhaust)
  • Gross Lift: .532" (Intake) / .532" (Exhaust)
  • Lobe Separation Angle (LSA):

  • Rocker Ratio: 1.8 / 1.8
  • Required Accessories: Upgraded valve springs and Crower cam bolts (86053-2) are mandatory; stock bolts will not fit.
    Crower Cams +1
These cams offer a significant upgrade over stock 4V specs, which are typically around 186/194 duration and .392/.390 lift, providing improved performance for modified, supercharged

The lift on the Stock Cam for the Marauder is pathetic, is the reason the idle is slightly choppy with the Crower Cam have to do with the displacement of the Marauder engine, which is 287? A crate LS3 engine has a displacement of 376 and it has a camshaft that is specked at 204-208!
 
The lift on the Stock Cam for the Marauder is pathetic, is the reason the idle is slightly choppy with the Crower Cam have to do with the displacement of the Marauder engine, which is 287? A crate LS3 engine has a displacement of 376 and it has a camshaft that is specked at 204-208!
The chop has nothing to do with displacement it is the duration of the cams that does.
 
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