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holley street dominator

  1. Classic Tech
    I just purchased a new Edelbrock 1406 to replace the Holley 1850-4. I mounted the 1406 and the linkage for the secondaries hits my valve covers, which are the FORD SVO tall valve covers for roller rockers. I figured I would install a 1/2" carb spacer to alleviate this problem. My question is...