351/290 HP 'Code M'
Bore........................... 4.001"
Stroke........................ 3.500"
Compression Ratio ....... 10.70
Piston Type.................. Flat w/Notches {6.99 CC Volume}
Deck Height................. -.015"
Cylinder Head............. #C90E-G
Chamber Type ............ Closed
Combustion Chamber... 58.90 {Minimum} ~ {60.4 Factory Level}
Intake Valve............... 1.852"
Exhaust Valve............. 1.548"
Camshaft................... Hydraulic
Lift............................ .425"/.450"
Duration..................... 256*/270*
Overlap...................... 33*
Valve Spring.............. Single-Coil w/Damper
Valve Closed............. #89 lbs.
Valve Open............... #233 lbs.
