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Join Date: Apr 2012
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Saw this on another forum. Thoughts?
http://ls1tech.com/forums/drag-racin...l#post16210418 GENERAL INFORMATION: �� NHRA horsepower ratings: o 327/4.0L supercharged– 550 o 327/2.9L supercharged – 500 o 427 Naturally aspirated – 425 �� NHRA shipping weights: o 327/4.0L – 3175 lbs o 327/2.9L – 3250 lbs o 427/N/A – 3195 lbs �� Recommended max engine RPM - 7500 CHASSIS: �� Chrome-moly cage – NHRA certified to 8.50 ET �� Subframes tied together �� Front engine cradle modified to accept additional oil pan clearance �� Rear subframe modified to accept unique COPO NHRA Stock Eliminator suspension REAR SUSPENSION: �� 4-bar with adjustable top links �� Adjustable panhard link �� Double-adjustable Strange Engineering coil over shocks �� Anti-roll bar FRONT SUSPENSION: �� Adjustable Strange Engineering coil over struts �� Sway bar removed STEERING: �� Production steering gear modified for manual (non-assist) operation BRAKES: �� Light-weight vented rotors �� Billet 4-piston light-weight calipers �� Light-weight tandem master cylinder �� OEM pedal modified to mount master cylinder �� All components provided by Strange Engineering WHEELS: �� Bogart Racing light-weight with unique COPO logo �� Forged outer ring �� Billet center �� 15” x 10” rear – 5/8” studs �� 15” x 3.5” front – 1/2” studs �� 4 – 3/4” bolt circle pattern TIRES: �� Rear - 9” x 30” x 15” radial slick �� Front – 4.5” x 28” x 15” – drag-only GEARS & AXLES: �� Strange Engineering 9” aluminum center section �� Light-weight steel spool �� Strange 9310 alloy 4.29 ring & pinion set �� Strange Engineering 35-spline axles �� Strange Engineering chrome-moly yoke DRIVE SHAFT: �� 4” OD x .125” wall 6061-T6 aluminum tube �� Chrome-moly end caps �� Forged chrome-moly slip yoke �� Heavy-duty 1350 universal joints TRANSMISSION: �� ATI Racing Products “Pro Glide” o SFI-approved ATI “Super Case” o 1.80 ratio 9310 straight cut gear set o Precision balanced carrier with 4340 tool steel output shaft o Turbo spline input shaft: �� 327/4.0L – Vasco material �� 327/2.9L and 427 – 300M material o 7 clutch high gear pack o Billet clutch hub o High flow front pump with heat-treated pinned stator tube o Deep aluminum pan o Hard Chrome Rings o Fluid overflow catch can TORQUE CONVETER: �� ATI Racing Products “Treemaster MRT” Series o 327/4.0L – 9” diameter housing �� Furnace brazed impeller and turbine fins �� Precision pump drive tube �� Heavy duty needle bearings �� 22 element sprag with dual cage construction �� 327/2.9L and 427 – 8” diameter housing �� Furnace brazed impeller and turbine fins �� Precision pump drive tube �� Heavy duty needle bearings �� Investment Cast Cover SHIFTER: �� Hurst “Quarterstick” – 2-spd. automatic o Forward pattern o Built-in neutral safety switch o Light-weight aluminum cover 327 ENGINE: �� Chevrolet Performance “LSX” cast iron block with steel main caps �� 4.065” bore x 3.150” stroke �� Static compression ratio – 10:1 nominal �� Callies 4340 crankshaft – double-keyed snout �� Callies 4340 H-beam “Ultra” rods o 6.350” length o .928” pin bore diameter �� Clevite H-Series heat-treated tri-metal rod & main bearings �� Mahle 2618 alloy forged domed pistons o Graphal coating o Hard-anodized top ring groove o Friction-coated skirts �� Mahle .043” x .043” x 3mm piston rings o Ductile iron top with radius molybdenum face o Plain cast iron tapered 2nd o Chrome-plated oil rails with low-tension expander �� Comp Cams steel billet hydraulic roller camshaft o Duration – 246°/254° @ .050” lift o Theoretical valve lift - .630”/.630” o Lobe centers – 117° �� Valvetrain: o Chevrolet Performance “Ceramic Ball” high-RPM hydraulic roller tappets o 3/8” diameter LS7 pushrods o 1.8:1 ratio LS7 rocker arms with roller trunions o PSI “Max Life” beehive valve springs o Hardened steel spring seats o Light-weight steel retainers �� Fully CNC’ed aluminum cylinder heads – based on LS7 o 275 cc nominal intake port volume o 89 cc nominal exhaust port volume o 70 cc nominal combustion chamber volume o Del West titanium intake valves – 2.200” head diameter x 7mm stem o Light-weight sodium-filled exhaust valves – 1.610” head diameter x 7mm stem �� Fel-Pro Performance multi-layer steel head gaskets with raised cylinder sealing bead �� Internal wet sump oil pump �� Deep-sump cast aluminum oil pan – 6 quart capacity �� ATI Performance Products SFI-approved damper – 10-rib shell �� Whipple twin-screw supercharger o 327/550 – 4.0L o 327.500 – 2.9L �� Whipple billet throttle body o 327/500 – 172mm oval blade o 327/500 – 109mm round blade 427 ENGINE: �� Chevrolet Performance LS7 aluminum block �� 4.125” bore x 4.00” stroke �� Static compression ratio – 13:1 nominal �� Callies 5140 crankshaft �� Callies 4340 H-beam rods o 6.100” length o .928” pin bore diameter �� Clevite H-Series heat-treated tri-metal rod & main bearings �� Mahle 2618 alloy forged domed pistons o Graphal coating o Hard-anodized top ring groove o Friction-coated skirts �� Mahle .043” x .043” x 3mm piston rings o Ductile iron top with radius molybdenum face o Plain cast iron tapered 2nd o Chrome-plated oil rails with low-tension expander �� Chevrolet Performance steel billet hydraulic roller camshaft o Duration – 233°/276° @ .050” lift o Theoretical valve lift - .630”/.630” o Lobe centers – 107° �� Valvetrain: o Chevrolet Performance “Ceramic Ball” high-RPM hydraulic roller tappets o 3/8” diameter LS7 pushrods o 1.8:1 ratio LS7 rocker arms with roller trunions o PSI “Max Life” beehive valve springs o Hardened steel spring seats o Light-weight steel retainers �� Fully CNC’ed aluminum cylinder heads – based on LS7 o 275 cc nominal intake port volume o 89 cc nominal exhaust port volume o 70 cc nominal combustion chamber volume o Del West titanium intake valves – 2.200” head diameter x 7mm stem o Light-weight sodium-filled exhaust valves – 1.610” head diameter x 7mm stem �� Fel-Pro Performance multi-layer steel head gaskets with raised cylinder sealing bead �� Internal wet sump oil pump �� Deep-sump cast aluminum oil pan – 6 quart capacity �� ATI Performance Products SFI-approved damper �� Meziere billet electric water pump �� Chevrolet Performance/Holley “Hi Ram” intake manifold �� Whipple billet throttle body – 102mm blade FUEL SYSTEM: �� Aeromotive “Eliminator” fuel pump - free flow rating = 800 lb/hr �� Aeromotive A1000 pressure regulator with manifold pressure compensation capability �� Aeromotive 10-micron high-flow filter �� Light-weight black nylon braided -8 AN hoses �� Black anodized aluminum -8 AN hose ends and fittings �� High-impedance fuel injectors o 327/550 – 105 lb/hr @ 43.5 psi with EV1 connector o 327/500 – 80 lb/hr @ 43.5 psi with EV1 connector o 427/427 – 42 lb/hr @ 58 psi with EV6 / USCAR connector ENGINE CONROLS & IGNITION: �� Delco MEFI 5A electronic fuel injection processor o Speed density operation o Interfacing software & hardware available in the aftermarket �� Cable-actuated throttle �� Production LS7 ignition coils �� Production LS7 secondary wires �� GM sensors ELECTRICAL: �� Dash-installed control switches: o Starter o Ignition o Fuel pump o Cooling fan o Intercooler pump/water pump, depending on engine package GAUGES: �� Autometer with gold “Bowtie” logo on dials: o 5” 10K RPM tach with shift light o Electronic water temp with 2 1/16” face and 100°-260°F range o Electronic trans temp with 2 1/16” face and 100°-260°F range o Electronic oil pressure with 2 1/16” face and 0-100 psi range o Electronic fuel pressure with 2 1/16” face and 0-100 psi range o Voltmeter with 2 1/16” face and 8-18v range SAFETY: �� RJS Safety Equipment 3” driver restraints �� RJS Safety Equipment window net |
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