Response by "58mercmaniac" If you look at the rpm at which the hp ratings were claimed you will see the 312 hp rating is at 200 rpm less. Enough rpm reduction in the HP curve to make a 330 hp 383 look like a 312 hp 383. However, I have no official service manual or service bulletin publication from...

Response by an unknown participant "Anonymous" '58 383 rated at 312 hp No score for this post August 6 2003, 10:32 PM If anyone has an official publicaton from the MEL Division of Ford Motor Company that reflects a 312 hp 383 I'd sure like to know its publication date. I have every official manual ...

Response by "Jim" Incorrect information The application of the "Marauder" designation only applied to 383 and 430 cubic inch Mercury automobiles. The site referred to in the post has taken information from a Motor's Repair Manual and missinterpreted with respect to a 312 hp version of the MEL block...

Note: Complete or part of old conversation copied from the archives and brought back to you by admin. New replies can be added if desired. Thread starter "Tyler" I know this sounds like good luck got a message from I guy I know on the net saying he gave up on his plans for a mel build and would sel...