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Chevy Small Block Dyno Tests - Old School Meets New
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| 402CI BUILD SHEET | | Specifications not listed are the same as stock. Except as noted, all dimensions are in inches or fractions thereof. All prices sourced through Turn Key Engine Supply, Summit Racing, JEG's, and Scoggin Dickey Parts Center. | | Displacement | 402ci | | Bore x Stroke | 4.00x4.00 | | Compression | 11:1 | | Rod center-to-center | 6.125 | | Piston deck height | -0.012 | | Chamber volume | 62cc | | Rod bearing clearance | 0.0028 | | Crank endplay | 0.004 | | Piston ring endgap | 0.023 top; 0.023, second | | Main bearing cap torque | 65 ft-lb (moly-lube) | | Main bearing/cross-bolt | 22 ft-lb (moly-lube) | | Rod bolt torque | 50 ft-lb (moly-lube) | | Head bolt torque | 65/70 ft-lb (moly-lube) | | Henry's Cost | | Manufacturer | Part Number | Description | Price | | ARP | 243-4317 | Head Stud Kit | 254 | | Comp Cams | 54-446-11 | XER281HR | 407 | | 54-448-11 | XER287HR | (or) 407 | | 875-16 | R-Series lifters | 246 | | 13755-KIT | 1.75 rocker kit | 487 | | 7955-16 | 5/16-inch pushrods | 134 | | Dart | 11021122 | Pro 1 LS1 | 1,620 | | Edelbrock | 2908 | Victor Jr. LS1 manifold w/module | 642 | | Lunati | EA036-395 | Rotating assembly | 3,584 | | MSD Ignition | 82458 | Coil packs | 579 | | 32079 | 8.5mm Super Conductor wire set | 98 | | Turn Key Engine Supply | 12568950 | LS2 block | 995 | | 51611 | Chrome balancer | 280 | | SD7245 | Double-roller timing chain | 84 | | 12558936 | Steel head gaskets | 66 | | | Total | $9,476 | | WHAT'S IT FLOW? | | DART Pro 1 LS1 | | CFM at 28 inches H20 | | Lift | Intake | Exhaust | | 0.200 | 144 | 109 | | 0.300 | 202 | 154 | | 0.400 | 254 | 187 | | 0.500 | 290 | 205 | | 0.550 | 301 | 210 | | 0.600 | 313 | 214 | | CAMSHAFT SPECIFICATIONS | | Cam I | | Manufacturer | Comp Cams | | Part Number | 54-446-11 | | Type | Hydraulic roller | | Valve lift at 0.050 | 0.595/0.598 inch, intake/exhaust(factory rockers) | | Duration at 0.050 | 232 /234 degrees, intake/exhaust | | Lobe separation | 112 degrees | | Cam II | | Manufacturer | Comp Cams | | Part Number | 54-448-11 | | Type | Hydraulic roller | | Valve lift at 0.050 | 0.605/0.609 inch, intake/exhaust(factory rockers) | | Duration at 0.050 | 238/240 degrees, intake/exhaust | | Lobe separation | 112 degrees | | Valve lift at 0.050 | 0.605/0.609 inch, intake/exhaust(factory rockers) | | Duration at 0.050 | 238/240 degrees, intake/exhaust | | Lobe separation | 112 degrees |
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