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Thread: Camshaft LSA angles.
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08-29-2011, 10:23 AM #1
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Camshaft LSA angles.
Is the camshaft LSA independent of any given cam grind, or is thier an intertwined relationship? My question I guess is, if you take a given cam, keep everthing on it the same, and just change the LSA from, say 112 to 114, what happens?
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08-29-2011, 10:52 AM #2
EFFECTS OF CHANGING LOBE SEPERATION ANGLE (LSA) Tighten (smaller LSA number) Widen (larger LSA number) Moves Torque to Lower RPM Raise Torque to Higher RPM Increases Maximum Torque Reduces Maximum Torque Narrow Power band Broadens Power Band Builds Higher Cylinder Pressure Reduce Maximum Cylinder Pressure Increase Chance of Engine Knock Decrease Chance of Engine Knock Increase Cranking Compression Decrease Cranking Compression Increase Effective Compression Decrease Effective Compression Idle Vacuum is Reduced Idle Vacuum is Increased Idle Quality Suffers Idle Quality Improves Open Valve-Overlap Increases Open Valve-Overlap Decreases Closed Valve-Overlap Increases Closed Valve-Overlap Decreases Natural EGR Effect Increases Natural EGR Effect is Reduced Decreases Piston-to-Valve Clearance Increases Piston-to-Valve Clearance -Joe-
95 T/A.
Advanced Induction 383 - 10.81 @ 124.16, 1.43 60' Video of 10-second pass - 455whp/445wtq
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08-29-2011, 12:48 PM #3
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Outstanding! Thank you! I love this site
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