Recent content by henryw

  1. H

    compression

    yes aftermarket cam , so cam could be the problem?.. these heads are 74-86 cast # is 4027593.
  2. H

    compression

    i have some smog heads on my 318 , cylinder pressure is 100, i have access to some 67-68 heads that arent smoggers, what will i gain ? bottom end is new with flat top pistons.
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