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Pontiac SD-455 Block Repair - Damage Control - Pontiac Tech
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| Cam | | Brand | Comp Cams No. 51-116-3 | | Type | Hydraulic flat tappet | | Duration At 0.050 | 230/240-deg | | Lift | 0.516/0.516 with 1.65 rockers | | Centerline | 110-deg | | Lobe Separation Angle | 114-deg | | Lifters | Comp Cams No. 852-16 | | Valve Springs | Original Super-Duty | | Install Height | 1.80-in | | Seat Pressure | 125 psi | | Open Pressure | 328 psi | | Timing Chain | Cloyes No. 3043, double roller | | Induction | | Carb | Rochester Quadrajet 17054910 | | Size | 800 cfm | | Mods | None | | Primary Jets | 0.076 | | Primary Metering Rods | 0.049 | | Secondary Metering Rods | BV 0.297-in | | Fuel Pump | Original Delco canister-style | | Fuel Line | Original | | Intake Manifold | No. 494405 Super-Duty cast-iron dual-plane | | Ignition | | Distributor | No. 1112205 Super-Duty, conventional | | Contact Point Set | Stock replacement | | Coil | Original Delco oil-filled canister | | Wires | Stock replacement 7mm | | Total Timing | 36-deg | | Initial Advance | 12-deg | | Mechanical Advance | 24-deg by 3,000 rpm | | Vacuum Advance | 16-deg | | Spark Plugs | NGK UR5 gapped at 0.040 in | | Exhaust | | Manifolds | Nos. 490802 and 490803 original Super-Duty cast-iron | | Primary Diameter | 1.625-in | | Collector | 2.25-in | | Weather | | Air Temp | 63 degrees | | Baro | 29.24 | | Humidity | 43 percent | | Correction Factor | 1.035 |
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Willard Auto Machine
7620 N 96th St
Omaha
NE
68122
Dept. HPP
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