Documents
Resources
Learning Center
Upload
Plans & pricing Sign in
Sign Out

565 To Go

VIEWS: 30 PAGES: 5

Summit Racing Equipment noticed a need for an engine package that would meet the power, durability, and affordability needs of bracket and NHRA Lucas Oil Drag Racing Series competitors, and the company enlisted Top Sportsman and Top Dragster ace Marco Abruzzi to help spec out the combination. 565 To Go Because the big-block Chevy is used in more classes than any other (including its small-block brother), engine choice was a no-brainer. Block * Dart Sportsman iron block, 9.800-inch deck height * Fully machined and ready for assembly * Cam bearings and freeze plugs installed Reciprocating assembly * Eagle Specialties 4340 forged-steel crankshaft, 4.250-inch stroke * Eagle Specialties 4340 steel H-beam connecting rods with ARP 2000 bolts * JE forged pistons, dome with two valve reliefs, gas-ported Camshaft * Comp Cams Drag Race Series mechanical roller * Duration: .277-degree/.292-degree at .050-inch * Lift: .800-inch * Cam ground for a 1-8-7-3-6-5-4-2 firing order (swaps cylinders 4 and 7) for extra high-rpm horsepower and reduced crankshaft harmonics Cylinder heads and valvetrain * Dart Pro 1 aluminum, rectangular-port, fully assembled * CNC-machined 119cc combustion chambers * CNC-machined 355cc intake/138cc exhaust runners * 2.300-/1.880-inch valves, 1.625-inch dual valve springs * Crower stainless-steel shaft-mount rocker arms, 1.7 ratio * Crower severe-duty .903-inch roller lifters, Trick Flow heavy-wall chromoly pushrods Oiling system * Milodon Drag Race oil pan * Moroso billet oil pump with pickup * Moroso vacuum pump, ARP oil-pump driveshaft Air and fuel * Dart single-plane intake manifold, CNC port-matched to Pro 1 cylinder heads * Quick Fuel QFX Series carburetor, 1,250cfm, Dominator flange * Aeromotive fuel-pressure regulator Ignition * MSD Pro-Billet distributor * MSD Flying Magnet crank trigger * Moroso Ultra 40 race ignition wires * Autolite racing spark plugs Other items * TCI Rattler vibration absorber * Cloyes Hex-A-Just timing set * ARP fasteners, F

More Info
									                                                                        Summit Racing’s racer-friendly
                                                                          big-block combo can make an
                                                                             easy 800-plus horsepower
                                                                      (and more with a little know-how)
                                                                           Abruzzi and Heinbuch focused        • CNC-machined 355cc intake/138cc
                                                                        on durability and ease of assembly.      exhaust runners
                                                                        “Horsepower is useless if the          • 2.300-/1.880-inch valves, 1.625-inch dual
                                                                        engine is always breaking parts,”        valve springs
                                                                        Heinbuch said. “We built a lot of      • Crower stainless-steel shaft-mount
                                                                        durability into our 565. For             rocker arms, 1.7 ratio
                                                                        example, we used Crower stainless-     • Crower severe-duty .903-inch roller
                                                                        steel shaft rocker arms. They cost       lifters, Trick Flow heavy-wall chromoly
                                                                        more than stud-mount rockers, but        pushrods
                                                                        they provide rock-solid valve         Oiling system
                                                                        control and will probably outlast      • Milodon Drag Race oil pan
                                                                        the rest of the engine.                • Moroso billet oil pump with pickup
                                                                           “Another thing that we took         • Moroso vacuum pump, ARP oil-pump
                                                                        into account is machine-shop             driveshaft
                                                                        work,” he continued. “With our        Air and fuel
                                                                        565, the machining is already          • Dart single-plane intake manifold, CNC
                                                                        done — the block is final-honed          port-matched to Pro 1 cylinder heads
                    rag racers can be a discontented

          D
                                                           and decked, and the reciprocating assembly          • Quick Fuel QFX Series carburetor,
                    bunch. If a car is quick, it’s not     is balanced for the recommended JE                    1,250cfm, Dominator flange
                    quick enough. Running 5 mph            pistons. Other than fitting pistons on the          • Aeromotive fuel-pressure regulator
          faster is cool, but a couple more would be       rods, file-fitting the piston rings, and           Ignition
          cooler yet. Cut a .010 reaction time? Gotta      normal prep, you can begin assembling our           • MSD Pro-Billet distributor
          be a .005 in the next round.                     565 the day you get the parts.”                     • MSD Flying Magnet crank trigger
             That urge to do better naturally extends to       The basic components in Summit                  • Moroso Ultra 40 race ignition wires
          horsepower. Factors such as reliability and      Racing’s 565 are listed below.                      • Autolite racing spark plugs
          cost are important, of course, but it’s                                                             Other items
          horsepower and torque that get bracket heroes    Block                                               • TCI Rattler vibration absorber
          and Pro Stock racers alike all jazzed up.         • Dart Sportsman iron block, 9.800-inch            • Cloyes Hex-A-Just timing set
             Summit Racing Equipment noticed a                deck height                                      • ARP fasteners, Fel-Pro and Cometic
          need for an engine package that would             • Fully machined and ready for assembly              gaskets
          meet the power, durability, and                   • Cam bearings and freeze plugs installed          • Clevite bearings
          affordability needs of bracket and NHRA          Reciprocating assembly
          Lucas Oil Drag Racing Series competitors,         • Eagle Specialties 4340 forged-steel             On the dyno
          and the company enlisted Top Sp
								
To top