Hello All,
These are the specs for my Dart Aluminum 427 with webers installed in the SPF GT 40.
Block: Dart Aluminum 351 Crankshaft: Eagle
Number 595FA Design Description Forged/Nitrided
Finished Bore 4.1245" Stroke 4.000
Deck Height 9.5" Main Journal 2.7445"
Oil Restrictors/size Restrict Lifter bore 2- .125" Rod Journal 2.985"
Rod Clearance 0.003"
Pistons: JE SRP Main Clearance 0.0025"
Mfg. Part # 231596 Rod Side Clearance 0.018"
Description Forged Axial Thrust 0.006"
Dome Volume 19cc (Dish) Balance Internal
Skirt Dimension 4.120"
Skirt/Cylinder Clearance .005" Cylinder Heads: Edlebrock
Pin Diameter/Length .927/2.750" Design Description Victor Jr.
Piston/pin Weight 435.5/447gr Final Chamber Volume 62.5cc
Runner Volume 210
Piston Rings: SpeedPro PlasmaMoly Intake Valves 2.050
Top Land gap/backspace .001"/.010" Exhaust Valves 1.600
2nd Land gap/backspace .001"/.010" Valve Seats Stellite
Top Ring Gap .018" Valve Spring Make Edlebrock stock
Bottom Ring Gap .022" Valve Spring Dia. 1.450"
Installed Height 1.900"
Connecting Rods: Scat Pressure @ Seat 135
Design/Type Forged "H" beam Pressure @ Full Lift* 360
Length 6.250" Compression Ratio: 10.8:1
Wt. Top/Bottom/Total 192/447/639
Camshaft: Engle Valvetrain: T&D
Type Hydraulic Roller Rockers/Ratio 1.6:1 Pedestal Mount
Exhaust Lift*/Duration .549"/291 Lifters Crane Hyd. Roller 36532
Intake Lift*/Duration 563"/281 Pushrod length 6.200"
Lobe sep. angle 112
Timing as installed @ 0.050" 10/47/58/8 Induction: Naturally aspirated
Manifold Weber
Blower N/A
Fuel System Weber 48 IDA
Flywheel: McLeod 463100 steel Ignition: MSD
Harmonic Balancer: Professional Products SFI Ignition Controls MSD Billet
Clutch Centerforce - DF920830 Firing Order 13726548
Tony R.