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Group: Administrators
Last Active: 7 hours ago
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Have thus far ran twelve different sets of heads on the dyno mule with several sets left to go. The stock ECZ-C heads in their stock form run surprisingly well although they are pretty well out of wind after 5000 rpms. All the heads are being tested on the same 312 shortblock with the same intake and carburetor combination as well as the same headers. On most of the heads tested, two sets of headers were used to discern the difference between small tube and large tube headers on the various heads. Once all the testing is complete, I’ll post the details.
  Lorena, Texas (South of Waco)
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