GM 350 Crate Engine Build III - Goodwrench Quest, Part III
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The 58cc chamber on the L98 heads is substantially smaller than the typical 76cc iron cylinder heads, which drastically increases compression. Since our Goodwrench engine was seriously down on compression to begin with, the squeeze factor went from a measly 8.4:1 (using a 0.015-inch Fel-Pro head gasket) to a much more agreeable 10.1:1 with the smaller chamber. View Related Article
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