Thread: Holley rebuild
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Old 12-22-2016, 02:33 PM
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Join Date: Dec 2015
Location: N. Richland Hills, TX
Cobra Make, Engine: Backdraft Racing, Roush 427
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Default Holley rebuild
I got my self into a pickle. I torn down my Holley 670 with vac.secondary. I didn't pay attention which power valve I took off the front and back. The stamped numbers are different. One valve says either 589 or 586 and the other says 451.
The rebuild build kit came with 3 valves, 6.5, 10.5 and a 2.5. Any advice with be greatly appreciated.


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