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GM 572 Crate motor
In Chevy HighPerf mag. GM Perf Products will release a 572 crate motor in 620 and 720HP levels. Price not yet available.
620hp@5500, 650tq@4500, redline 6000, CR9.6:1, 10.200", hyd roller 254/264 0.632"/0.632", 118cc alumn rect heads, 2.25/1.88 stainless valves, dual valve springs, alumn roller rockers, single plane intake, 850mech secondary HEI, 92 octane. 720hp@6250, 685tq@4500, 12:1, mech roller,266/274 0.714"/0.714", 4500carb 1095cfm, race fuel. |
Good...Gives me another reason to get into ProStreet.
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when?
any web adres ? thnx |
I think this is the motor. Not sure when its due out.
http://www.sallee-chevrolet.com/Sneak/Previews.html |
Im going to take a stab here at around $9950.00
Thats my guess. |
572 C.I.D. - 9:1 Compression Crate Engine Technical Information
Horsepower 620 @ 5500 RPM Torque 650 Ft. Lbs. @ 4500 RPM Max. Recommended RPM 6000 RPM Compression Ratio 9.6:1 Block New! Sportsman Tall Deck Bowtie Gen VI 10.200" deck height Bore 4.560" Stroke 4.375" Crankshaft Forged 4340 steel Connecting Rods Forged 4340 steel, H-beam style, Shot peened Pistons Forged aluminum, Full floating wrist pin Piston Rings Plasma-moly rings Camshaft Hydraulic roller Valve lift: .632" I, .632" E Duration @ .050" 254Ί I, 264Ί E Lifters Hydraulic roller tappet Cylinder Heads Aluminum rectangular port 118cc combustion chamber Intake Valves 2.25" Stainless steel Exhaust Valves 1.88" Stainless steel Valve Springs Dual valve springs 1.540" coil diameter 1.800" installed height 197 Lbs. seat pressure Spring Retainers Hardened chromemoly steel Rocker Arms Aluminum roller rockers, 1.7:1 ratio Push Rods High performance one piece Intake Manifold New! Aluminum tall deck single plane 4150 series carburetor Carburetor 850cfm, mechanical secondary Rear Main Seal New! One-piece design Windage Tray New! Screened and louvered Damper High RPM torsional damper Distributor H.E.I. Ignition Timing 36Ί total advance Spark Plugs R42XLS Fuel 92 Octane nice+nice |
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