Page 63 of 2009 Performance Parts by GM Parts Direct

crate engines circle track ct355 crate engines circle track 88958603 we adapted the zz4 350 to the racetrack with winning results renowned for its deep reserve of torque responsive power and great dependability the zz4 350 crate engine is one of gm performance parts most popular crate engines and our engineers have adapted that combination as a winning affordable racing engine in the ct355 the ct 355 s strength lies in its zz4 bottom end which includes an iron block with four-bolt mains a forged-steel crankshaft and high-silicon pistons a steel hydraulic roller camshaft actuates valves in the high-flow aluminum zz4 heads which boast 163cc intake ports and 1.94/1.50-inch valves this combination makes good power and great torque 355 hp and 405 lb-ft the ct355 includes a racing oil pan with a dual kick-out design it also includes a valve cover breather kit a special kool nut rocker arm nut design a dual-plane aluminum high-rise intake manifold cast-iron water pump hei distributor and balancer you add the carburetor starter spark plugs and wires all available from gm performance parts invest in the ct355 and you ll see a return in the winner s circle racing version of the zz4 high-flow aluminum heads built for competition installation notes · requires addition of carburetor starter plug wires and exhaust system not included · requires an externally balanced flywheel not included see page 175 for flywheel selection · the 8-quart circle track oil pan is 7 inches deep at the sump it will clear most gm rear-steer chassis with stock engine location ct355 dyno chart features/benefits upgraded components for the long run great horsepower value factory-sealed for equal competition not for street or marine use ct355 tech specs part number engine type displacement cu in bore x stroke in block p/n 10105123 crankshaft p/n 12556307 connecting rods p/n 10108688 pistons p/n 10159436 camshaft type p/n 10185071 camshaft lift in 88958603 chevy small-block v-8 350 4.00 x 3.48 cast-iron with 4-bolt main caps forged steel powdered metal steel hypereutectic aluminum steel hydraulic roller .474 intake .510 exhaust camshaft duration 050 in cylinder heads p/n 12556463 valve size in compression ratio rocker arms p/n 10089648 rocker arm ratio recommended fuel ignition timing maximum recommended rpm 208° intake 221° exhaust aluminum 58cc chambers 1.94 intake 1.50 exhaust 10:1 stamped steel 1.5:1 92 octane base 10° btdc 32° total 5800 note distributor with melonized steel gear must be used with long blocks and partial engines with steel camshafts or engine damage will occur available for purchase online at gmperformanceparts.com gm performance parts racing crate engines are excluded from limited warranty gm performance parts does not utilize any used or remanufactured parts in this crate engine 122 buy online at www.gmperformanceparts.com buy online at www.gmperformanceparts.com 123

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