Dart SHP Iron Block SB Chevy
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Small Block Chevy
Material: Superior iron alloy
Bore: 4.000" (unfinished)
Bore/Stroke: 4.165" x 3.750" (max recommended)
Cam Bearing Bore ID: SBC 2.00"
Cam Bearings: Specially-coated & grooved with three oil holes
Cam Bearing OS: +.010", +.020", +.030"
Cam Bearing Press: .002"
Cam Journal OD: Standard SBC 1.869"
Cam Plug: 2-7/64" shallow cup
Cylinder Wall Thickness: .230" minimum @ 4.165" bore
Deck Height: 9.025"
Deck Thickness: .625" minimum
Fuel Pump: Mechanical pump provision
Fuel Pump Pushrod: Standard length
Freeze Plugs: Press-in cup plugs 1-5/8"
Lifter Bores: SBC .8430" to .8440"
Main Bearing Size: 2.64" (400)
Main Bearing Bore: 2.8406 (400)
Main Caps: Class 35 iron, 4 bolt, center 3
Main Cap Register: Deep stepped register on each side (no need for dowels)
Main Cap Press: .005"
Main Cap Bolts: #1, #5 - 7/16" (2); #2, #3, #4 - 7/16" 3/8" splayed (2)
Oil System: Wet sump, main priority oiling (can use dry sump)
Oil Pump Shaft: 400 main = stock shaft (.481" OD)
Oil Filter: Standard SBC filter (uses 2-bolt filter adapter)
Oil Pan: Standard SBC oil pan
Rear Main Seal: 400 main, standard seal, 2-piece
Serial Number: On main caps and left front
Starter: Standard SBC
Stud Hole/Head: Blind holes
Timing Chain/Gears: Standard SBC components
Timing Cover: Can use stock stamped steel or plastic
Torque: 65 ft/lbs (7/16" bolts), 35 ft/lbs (3/8" bolts)
Weight: 175 lbs
Note:The lifter bosses in SHP blocks are .220" taller than the bosses in early-style blocks that were not designed for hydraulic roller lifters. If you are installing aftermarket lifters with link bars in an SHP block, the lifters must be designed for use in 1987-up or Bow Tie blocks.
Due to the additional length of these aftermarket tie-bar lifters, they must be installed in the block before the cylinder heads are installed.
Specifications:
Why waste time sourcing, cleaning, machining, and prepping an old core in hopes it will be usable when you could get a new, quality block without the expense of a full-race unit? Dart "SHP" Special High Performance Blocks enable you to affordably build a powerful, durable engine. Designed for high-performance and heavy-duty applications producing up to 600 horsepower, the SHP Block is an ideal starting point for hot rodders, drag racers, Circle Track competitors, off-roaders, and marine enthusiasts. . One of the great provisions of the Dart SHP block is its ability to use OE hydraulic roller lifters. There are mounting bosses in the valley for a factory stamped steel spider, and the lifter bores are machined flat on top to accommodate the "dog bone" alignment bars used on OE hydraulic roller lifters. This allows an engine builder to take advantage of the fast acceleration and low maintenance of a hydraulic roller cam profile while using inexpensive stock-type lifters.
Motor Vehicles
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Tools:
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Electrical Cords
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