Sorry for the retard question
but how would you know if the powervalve is gone? I run a Holley, so just wanna be prepared. Thanks
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72 with 69 grille and custom 73-87 stepside. BIG BLOCK 409, SM465, NP205, 3/4 axles slung under a 5" lift, 3"bodylift, 112" frame, and 35inch Pro Comp X-terrains... "BUILT NOT BOUGHT"
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