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project doughnut

  1. 5.0/5.8 Engine Tech
    As winter is coming on here in the MidWest and my current daily driver has 270,000 miles on the clock, I will be putting it down for the winter and rebuilding the engine. I was thinking of a 306 with forged 10:1 pistons. I have a set of GT40P heads (mildly ported, fresh valve job, TFS valve...