Page 121 of GM Performance Parts 2006 Catalog by GM Parts Direct

ZZ 572/720 DYNO CHART Horsepower: 720 6250 rpm Torque: 685 4500 rpm 700 800 600 500 400 300 200 RPM 100 POSSIBLE APPLICATIONS* Build a solid 9-second bracket car A street car with no equal A show car that shakes the trophies out of the judges pocket *Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine Some applications may affect engine warranty. See page 320 for specific warranty information. Some applications may not be emission legal; check state and local ordinances. INSTALLATION NOTES Clutch linkage boss is cast and machined in block, but must be drilled and tapped. When using cast iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance. Requires addition of starter and fuel pump (not included). Gen VI tall-deck block has machined mechanical fuel pump boss Requires internally balanced flywheel for manual transmission applications. Intended for pre-1977 street vehicles and all off-road vehicles. Not intended for marine applications. Big, sticky slicks will help hook up this monster! 119

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