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  • Title: These heads are an open chamber design. Not like the 67 heads that are of a closed chamber design. Now in your case this is to your benefit. More open area equals less compression. Not much but every little bit helps.
  • File name: MX7R3084.jpg
  • Owner: Gallery Administrator

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There are other designs out there. One of the most prevelant is that you chop the ears off the crossmember, weld in nuts on the inside of the frame, and then just weld on an piece of angle iron.

These heads are an open chamber design. Not like the 67 heads that are of a closed chamber design. Now in your case this is to your benefit. More open area equals less compression. Not much but every little bit helps.

  • Views: 821
  • By: Gallery Administrator