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Old 06-08-2006, 08:05 PM
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What car? What frame? What kind of mounts? If they're the old style big "box" looking mounts, there are many applications that required the corner of the motor mount to the block to be cut out for header clearance. Done correctly there's no loss of strength or safety. I've seen this dozens of times. How bad does it hit? A smooth roll in the tube has no adverse effect on performance. You may be amazed at how little interference in one area grows to huge by the time it gets to the mounting flanges. Just some things to consider before jumping into header fab. Very time consuming, but fun if you like to fit and weld.
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