GPI – LSA Cam Package (2009 – 2015 Cadillac CTS-V LSA / 3 Bolt)

From: $825.53

Looking to upgrade to a GPI Camshaft in your 2010 – 2015 Cadillac CTS-V (LSA), and want all the essential components to complete the install?

GPI is also prepared to add to the savings by offering a 10% Discount on our Cylinder Heads when purchased with this Cam Install Package!

  1. GPI Camshaft
  2. Brian Tooley Racing Valve Springs (Your choice of Steel or Titanium Retainers)
  3. GPI Pushrods
  4. Crank Bolt
  5. Cam Bolt
  6. Timing Gear
  7. Timing Chain Damper
  8. Timing Cover Seal
  9. Water Pump Gasket
  10. Timing Cover Gasket
  11. Timing Chain (Optional)
  12. Engine Oil (Optional)
  13. Oil Filter (Optional)
  14. GPI Tuning Services (Optional)
  15. GPI Cylinder Heads (Optional)

What is Intake & Exhaust Duration?

Intake Duration determines how much time the engine has to take a breath of fresh air/fuel. In general, shorter duration will increase low RPM torque and longer duration will increase high RPM horsepower.

Exhaust Duration has the same effect as intake duration, but the results are more dramatic. The ranges of duration numbers that provide optimal performance for the engine are quite narrow. 

What is Intake & Exhaust Lift?

Intake Lift determines how much area is available for the incoming air/fuel mixture. As intake lift increases, peak torque and mid-high RPM horsepower will increase as long as the other engine settings can sustain more intake volume.

Exhaust Lift determines how much area is available for combustion waste to escape the engine. As exhaust lift increases from an inadequate amount, low RPM torque and peak torque will increase. Once the lift number is greater than the engine package requires, peak torque will drop and high RPM torque will increase slightly.

What is Lobe Separation Angle (LSA)?

The lobe separation angle is the angle in camshaft degrees between the maximum lift points of the intake and exhaust lobes.  It also affects the amount of valve overlap (the brief period of time when both the intake and exhaust valves are open).

The tighter the lobe separation angle, the peakier the power curve will be. It produces peak torque earlier—coming on quicker and stronger (but also falling off quicker).

A wide LSA reduces valve overlap, softens the idle and improves overall drivability.

Supercharged and nitrous race engines typically benefit from a wider LSA because they don’t require as much overlap for exhaust scavenging as does the naturally aspirated engine.

What is Intake Centerline (ICL)?

Intake centerline (ICL) will move the torque curve up or down in the RPM range.  Each crankshaft degree of change will move the torque peak by 100-200 RPM. Larger numbers after top dead center (ATDC) will produce higher RPM. Small amounts can be gained by “fine-tuning” the lobe center.

All GPI cams are tested to determine the best centerline, and it will be very close to optimal for all engine specs.