'1967 Holiday Race' ~ Plymouth GTX 440 vs. Pontiac GTO 400 'Ram Air'

1967 Pontiac 400/360 HP 'Ram Air'

Compression ............ 10.75 to 1
Piston Type ............... Flat w/Notches
Deck Height ............. .000"
Gasket Thickness ...... .042"

Camshaft ................. Hydraulic {#744}
Lift ......................... .424"/.424"
Duration .................. 301*/313*
Overlap .................... 76*
Centerline ................. 113* Intake / 118* Exhaust

Cylinder Heads ......... #670
Type ....................... Closed Chamber
CC's ........................ {Factory = 72.0} ~ {Minimum = 65.0}
Intake ..................... 2.11"
Exhaust ................... 1.77"

Intake Manifold ......... Cast Iron
Type ........................ Dual-Plane High-Rise

Carburetor ............... Rochester 4-MV
Throttle Bore Sizes ... 1 3/8" x 2.25"
CFM Rating .............. 750 {Advertised} ...... 730 {W.O.T. Flow Test}

Exhaust Header ........ 2.25"
Pipe Size ................. 2.25"