High Compression 390
Np435 4 speed. Hydraulic FT. Used for fun, no towing or work.
268 cam seemed pretty big to me
Advertised Duration (Int/Exh): 268/276
Duration @ .050 (Int/Exh): 226/234
Gross Valve Lift (Int/Exh): .494/.513
LSA/ICL: 110/106
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