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Dyno Testing Part II - Big Power, Small Budget»exhaust system
Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
Small Block Ls Engine Dyno Testing Pt Ii Front View
TSP utilizes a PowerBond Race Series SFI-approved 10 percent underdrive balancer pulley (PN 25-PBU1480-SS10; retail $199.99). The balancer is put over the crankshaft hub and pressed on with an LS-specific tool. Once the balancer is fully seated, a new GM crankshaft bolt is torqued to 37 ft-lb, followed by an additional 140 degrees of rotation with a torque-angle gauge.
Cam
Brand Comp Cams hydraulic roller
Duration at 0.050 251/259-deg
Lift 0.660/0.663-in
Centerline 108-deg
Lobe Separation Angle 111-deg
Installed Position 108-deg
Lifters GM LS7 roller
Valvesprings Precision Race Components, dual
Seat Pressure 140-lbs
Open Pressure 405-lbs
Timing Chain GM LS2 single-roller
Induction
Intake Manifold GM L76
Throttle Body P.T.M. 92mm
Fuel Rails GM L76
Fuel Injectors GM factory Delphi 39 lb-hr
MAF TSP 100mm
Small Block Ls Engine Dyno Testing Pt Ii Front View
Next is mounting the engine onto DTS' engine dyno cradle, and installing a new flywheel and the DTS engine adapter plate. Then it's off to the dyno cell.
Ignition
Engine Controller GM LS1
Tuning Software HP Tuners VCM Suite
Coil GM LS1 coil-on-plug
Wires MSD 8.5mm Superconductor Plugs NGK TR-6
Total Timing 28-deg
Exhaust
Headers Kooks 1.875-in to 2-in stepped
Collectors 3-in
Gaskets
Brand GM, MLS
http://www.highperformancepontiac.com/t ... index.html
Dyno Testing Part II - Big Power, Small Budget»exhaust system
Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
Small Block Ls Engine Dyno Testing Pt Ii Front View
TSP utilizes a PowerBond Race Series SFI-approved 10 percent underdrive balancer pulley (PN 25-PBU1480-SS10; retail $199.99). The balancer is put over the crankshaft hub and pressed on with an LS-specific tool. Once the balancer is fully seated, a new GM crankshaft bolt is torqued to 37 ft-lb, followed by an additional 140 degrees of rotation with a torque-angle gauge.
Cam
Brand Comp Cams hydraulic roller
Duration at 0.050 251/259-deg
Lift 0.660/0.663-in
Centerline 108-deg
Lobe Separation Angle 111-deg
Installed Position 108-deg
Lifters GM LS7 roller
Valvesprings Precision Race Components, dual
Seat Pressure 140-lbs
Open Pressure 405-lbs
Timing Chain GM LS2 single-roller
Induction
Intake Manifold GM L76
Throttle Body P.T.M. 92mm
Fuel Rails GM L76
Fuel Injectors GM factory Delphi 39 lb-hr
MAF TSP 100mm
Small Block Ls Engine Dyno Testing Pt Ii Front View
Next is mounting the engine onto DTS' engine dyno cradle, and installing a new flywheel and the DTS engine adapter plate. Then it's off to the dyno cell.
Ignition
Engine Controller GM LS1
Tuning Software HP Tuners VCM Suite
Coil GM LS1 coil-on-plug
Wires MSD 8.5mm Superconductor Plugs NGK TR-6
Total Timing 28-deg
Exhaust
Headers Kooks 1.875-in to 2-in stepped
Collectors 3-in
Gaskets
Brand GM, MLS