383 shaking problems

silverdollor · #1 (**permalink**) 02-21-2012, 09:41 AM

my 383 was put to gether by james at big 2 in gulfport missippi it has less than 300 miles on it at first at around 2500 rpm just shook a little then brok bell housing now with new trans at same rpm motor shakes like a paint mixer nothing is knocking yet i have just been threw & followed a lot of advise can you take a stab at what it might be ???????

cobalt327 · #2 (**permalink**) 02-21-2012, 09:56 AM

Quote:

Originally Posted by silverdollor

my 383 was put to gether by james at big 2 in gulfport missippi it has less than 300 miles on it at first at around 2500 rpm just shook a little then brok bell housing now with new trans at same rpm motor shakes like a paint mixer nothing is knocking yet i have just been threw & followed a lot of advise can you take a stab at what it might be ???????

Obvious thing is the balance. Is this externally balanced or internally, and does the damper and flex/fly match how it's balanced?

Are you using solid motor/trans mounts and/or urethane? Mounts good/new?

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