LS 6.0 camshaft selection
Not new to engine building but this is my first LS build. I contacted Comp. Cams for a camshaft recommendation and I am curious to what you guys think about it. Let's here some opinions to this specific camshaft first, and then if you think you have a better recommendation you can add that to.
Here is the vehicle / engine information:
Make: Chevrolet Model: Camaro
Weight: 3500 lbs. Axle Ratio: 3:73
Transmission Type: Manual Overall Tire Height: 26.1
Torque Converter Stall Speed: N/A
Engine Block Type: Chevrolet Engine Family: LS 6.0 LQ9 2004
Engine Size: 364 c.i.
Number of Cylinders: 8 Bore: 4.0"
Stroke: 3.622" Compression Ratio: 10.5:1
Connecting Rod Length: 6.098"
Intake Manifold Type: Holley 2X4 dual plane or stock LS6. Not sure yet.
Cylinder Head(s) Brand: Stock 317 heads milled .020"
Head Runner Volume: Unknown. Stock but polished. Ported Heads: No
Intake Valve Size: Stock Exhaust Valve Size: Stock
Rocker Arm Type: Stock Rocker Arm Ratio Stock:1
Exhaust Headers: Yes
RPM Range Low: 1000 RPM Range High: 6000
Nitrous Oxide: No Horsepower from Nitrous: N/A
COMPUTER CONTROLLED VEHICLES
Vehicle Computer Type: Stock
Fuel Type: Pump Gas Fuel Octane Rating: 89
Carburetor: No Carburetor Size: N/A
Electronic Fuel Injection: Yes Custom Tuned: Yes
Application Type: Performance Street Other Application Type: N/A
Race Class (If Applicable): Would like to road race infrequently
VALVE TRAIN SPECIFICS
Desired Lifter Type: Hydraulic Roller
Type: OE Hyd. Roller Engine
What type of camshaft are you currently using?
Camshaft Brand: None Part Number: N/A
Considering the current peformance of your vehicle, do you need:
More Low Speed Torque? Yes More RPM? No
Is Idling Speed Important? Yes Is Emissions Compliance
Does Your Vehicle Currently Use the Following:
Air Conditioning? Yes
Power Steering? Yes Power Brakes? Yes
The camshaft recommended was: part # 54-444-11
Cam Style: Hydraulic roller tappet
Basic Operating RPM Range: 2,000-7,000
Intake Duration at 050 inch Lift: 224
Exhaust Duration at 050 inch Lift: 230
Duration at 050 inch Lift: 224 int./230 exh.
Advertised Intake Duration: 273
Advertised Exhaust Duration: 279
Advertised Duration: 273 int./279 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.581 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.588 in.
Valve Lift with Factory Rocker Arm Ratio: 0.581 int./0.588 exh.
Lobe Separation (degrees): 114
Camshaft Gear Attachment: 3-bolt
Computer-Controlled Compatible: Yes
Grind Number: XER273HR
Honestly at my first look the selection seems aggressive for a mostly street car with an occasional road-race entry. Let know what you guys think and thanks!
My Build Thread
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