II COMPONENT PARTS SPECIFICATION Goodwrench Service Replacement Engines (New/Reman ... ENGINE DIAGNOSTICS ..17 Section V GOODWRENCH SERVICE REPLACEMENT ENGINES ...30 ...
front) 133 PRODUCTION-BASED BLOCKS The GM Performance Parts production-based ... to the high level of quality that GM is famous for. Remember, these are ... . These blocks are designed for street engines that demand good strength and a high ... same thickness as current production engines Non-siamese bores Standard 350 main ... bore Can be used for 302, 327, or 350 engines Machined for hydraulic roller or flat ... tappets Used on 1973-85 GMGoodwrench 350 engines Straight Four-Bolt Mains A ...