Thread: 383 stroker profile 6" rods??.

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Originally Posted by 1gary

Pat,

This hydraulic roller design is used on the 383 truck. The duration at lash point in degrees (intake/exhaust) is 288/308; duration at .050" tappet lift (intake/exhaust) is 196/206; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 431/451. Valve lash is zero/zero and lobe centerline is 109 degrees.

It is a smooth idle in a 350 with a good torque in the lower RPM ranges.

Since you are building a relatively mild engine, 6.0 rods provide no appreciable advantage. Go with 5.7 inch rods.