Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
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With the short-block completed, attention turns to the cylinder heads and valvetrain. New GM lifter trays are utilized along with GM LS7 hydraulic roller lifters. After lubricating the housing and roller portion of the lifter with assembly lube, they're pushed into the tray, all four trays are fitted into the block, and the single 10mm bolt that retains each one is torqued to specification. Although the Gen IV lifter trays are similar to the original Gen III design, the Gen IV's enhanced bay-to-bay breathing architecture necessitated a redesign. View Related Article
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