I've never driven this on the street. But driving around the pits at low speed its fine. Easy on springs. Its put my 572, -1s to 9.00@3350. Run it with both 4.10 and 4.30, 10.5wx31 M/Ts. Comp int lobe RX1718 exh lobe XCX1862 on 112LCA. I do run 15-1 comp though.
Doug