Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
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The L92/LS3 heads require a specific rocker pedestal (GM PN 12600936) due to the offset intake rocker arms (GM PN 12569167) that are used. Offset like the LS7, the L92 (1:7:1) rockers will not fit any other series of LS heads. After laying the rocker pedestal in place, a set of TSP 7.4-inch hardened 0.080 wall chromoly pushrods (PN 25-7400; retail $99.99) are slipped into position. View Related Article
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