milodon points this problem out in hpp. you can shim it but i would recommend a better set of mounts. also do you have the correct frame mounts for the car? or r they ohc mounts? the 400 mounts let the engine set further back in the car and give the pan the needed clearance to solve this issue.
Andy
due to budget cutbacks, the light at the end of the tunnel has been disconnected for non payment.