ok i have a 72 ss chevelle  conv.  i pulled the smoking 454 ls-5 motor and out it up i replaced with a 350 as well as replaced the 400 with a ready to go 350 tranny  and replaced the  373 posi rear with a 331 limted slip  ok i burnt the 350 trans. up raising hell and bought a 400 cheap and instaled it  now i have a hoammmmmm  around 55 to 65 mph after that it goes away  so i replaced the tranny because it didn't do it till i changed the trans from 350 to 400 but it still does it with a different  tranny although it is a 400 i have replaced driveshafts repeatedly with no effect so im thinking rear end but as i am a body man with only parts replacement mechanical abilaties i have no idea whats causing this maybe some ideas? thanks again CHEVELLES RULE
 

Darin Bailey

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