get turbo dave to fab one! he really knows his stuff. or for a little less than your uuugh obx top mount,SPA has a cast top mount for aroud $325 or so that i have personally seen 473whp on stock sleeved ls vtec t3 t4 precision turbo and that was 3 years ago and is supossedly running 526 now and a little head work and sleeved block with this same manifold with a panducky clocked gt35r.