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Old 03-09-2010, 10:28 PM   #5
Big Port Jimmy 6
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Join Date: Dec 2009
Location: Abbeville SC
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Re: 427 or 454: how can you spot the difference?

Quote:
Originally Posted by f.monroe View Post
454's are externally balanced . Look at the inside of the harmonic balancer for a cast in counterweight . If it is an automatic, the flexplate will have a weight spot welded on the outer perimeter just inside the ring gear also.
Frank
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