Hi Everyone, I'm installing a new set of Doug's Headers on the small block in my '81, Z28. The header tubes are contacting the subframe crossmember and are too close to the front brake line that runs along that crossmember. This car has solid motor mounts, probably the Moroso solid steel mounts and I'm curious if these mounts set the engine higher and forward of the original mounts? I plan to return to stock mounts with polyurethane inserts because the steel mounts pass too much vibration into the subframe. Will the stock mounts lower the engine and move it rearward? If I can set the engine back as little as 1/2", my clearance problems are solved! Your comments are appreciated.