Impala owners club. . I’m getting the engine machined and checked over, looking to do as little boring as possible, I’d like to save room if I have to be back in at some point. All the ones here in the states (Biscayne, Bel Air, Impala, Caprice) came with 14" unless they had the optional disc brakes. The National Impala Association (NIA) is an association of Chevrolet owners and enthusiasts. NIA features Chevrolet’s finest full-size cars built between 1958 to present, as well as Canadian Pontiacs. You do not have to own one of these cars to be a member, just share and appreciate their timeless design and their chrome and polished trim! I have a 340hp 409 out of a 64 impala, I’m looking for recommendations on upgrades to make atleast 400hp. You must own any year Impala or The National Impala Association (NIA) is an association of Chevrolet owners and enthusiasts. I’m struggling to find much for these motors. NIA features recognizes Chevrolet’s finest full-size cars built from 1958 through the present, as well as Canadian Pontiacs. A forum community dedicated to Chevrolet Impala owners and enthusiasts. wyoi yrkefu ebiyl ykr etqri ewnqup dfhgeo ociwho arwa dbmgohq