link to article
http://www.superchevy.com/how-to/engine ... boomerang/
http://www.gmhorsepower.com/LS3-430HP-crate-motor.php
http://www.jegs.com/p/Chevrolet-Perform ... 5/10002/-1
http://www.jegs.com/p/Chevrolet-Perform ... 2/10002/-1
Cam 1: Stock LS3
Lift: .551 in/ .525 ex
Duration @ .050: 204 in/211 ex
LSA: 117
Idle vacuum: 20.3 in-Hg
PV Intake: .150+
PV Ex: .150+
Cranking Compression: 205 psi
Peak Power: 496 hp @ 5,800 rpm
Peak Torque: 491 lb-ft @ 4,700 rpm
Ave HP (3,000-6,500): 408.9 hp
Ave TQ (3,000-6,500): 452.4 lb-ft
Tq @ 4,000 RPM: 461 lb-ft
Cam 2: 224 Cam
Lift: .624 in/ .590 ex
Duration @ .050: 224 in/232 ex
LSA: 113
Idle vacuum: 20.3 in-Hg
PV Intake: .117
PV Ex: .150
Cranking Compression: 205 psi
Peak Power: 547 hp @ 6,300 rpm
Peak Torque: 514 lb-ft @ 5,100 rpm
Ave HP (3,000-6,500): 37.6 hp
Ave TQ (3,000-6,500):482.6 lb-ft
Tq @ 4,000 RPM: 480 lb-ft
Cam 3: 231 Cam
Lift: .617 in/ .624 ex
Duration @ .050: 231 in/239 ex
LSA: 113
Idle vacuum: 17.1 in-Hg
PV Intake: .041
PV Ex: .098
Cranking compression: 200 psi
Peak Power: 566 hp @ 6,400 rpm
Peak Torque: 517 lb-ft @ 5,200 rpm
Ave HP (3,000-6,500): 441.4 hp
Ave TQ (3,000-6,500): 485.4 lb-ft
Tq @ 4,000 RPM: 477 lb-ft
Cam 4: 235 Cam
Lift: .647in/.612ex
Duration @ .050: 235 in/244 ex
LSA: 111 degrees
Idle vacuum: 13.7 in-Hg
PV Intake: .003
PV Ex: .075
Peak Power: 573 hp @ 6,400 rpm
Peak Torque: 526 lb-ft @ 5,200 rpm
Ave HP (3,000-6,500): 449.4 hp
Ave TQ (3,000-6,500): 494.5 lb-ft
Tq @ 4,000 RPM: 484 lb-ft
http://www.superchevy.com/how-to/engine ... boomerang/
http://www.gmhorsepower.com/LS3-430HP-crate-motor.php
http://www.jegs.com/p/Chevrolet-Perform ... 5/10002/-1
http://www.jegs.com/p/Chevrolet-Perform ... 2/10002/-1
Cam 1: Stock LS3
Lift: .551 in/ .525 ex
Duration @ .050: 204 in/211 ex
LSA: 117
Idle vacuum: 20.3 in-Hg
PV Intake: .150+
PV Ex: .150+
Cranking Compression: 205 psi
Peak Power: 496 hp @ 5,800 rpm
Peak Torque: 491 lb-ft @ 4,700 rpm
Ave HP (3,000-6,500): 408.9 hp
Ave TQ (3,000-6,500): 452.4 lb-ft
Tq @ 4,000 RPM: 461 lb-ft
Cam 2: 224 Cam
Lift: .624 in/ .590 ex
Duration @ .050: 224 in/232 ex
LSA: 113
Idle vacuum: 20.3 in-Hg
PV Intake: .117
PV Ex: .150
Cranking Compression: 205 psi
Peak Power: 547 hp @ 6,300 rpm
Peak Torque: 514 lb-ft @ 5,100 rpm
Ave HP (3,000-6,500): 37.6 hp
Ave TQ (3,000-6,500):482.6 lb-ft
Tq @ 4,000 RPM: 480 lb-ft
Cam 3: 231 Cam
Lift: .617 in/ .624 ex
Duration @ .050: 231 in/239 ex
LSA: 113
Idle vacuum: 17.1 in-Hg
PV Intake: .041
PV Ex: .098
Cranking compression: 200 psi
Peak Power: 566 hp @ 6,400 rpm
Peak Torque: 517 lb-ft @ 5,200 rpm
Ave HP (3,000-6,500): 441.4 hp
Ave TQ (3,000-6,500): 485.4 lb-ft
Tq @ 4,000 RPM: 477 lb-ft
Cam 4: 235 Cam
Lift: .647in/.612ex
Duration @ .050: 235 in/244 ex
LSA: 111 degrees
Idle vacuum: 13.7 in-Hg
PV Intake: .003
PV Ex: .075
Peak Power: 573 hp @ 6,400 rpm
Peak Torque: 526 lb-ft @ 5,200 rpm
Ave HP (3,000-6,500): 449.4 hp
Ave TQ (3,000-6,500): 494.5 lb-ft
Tq @ 4,000 RPM: 484 lb-ft