OOOOPS...!!! 454 flywheel.. wrong part???
454 flywheels do have balancing weights on them right?
I just discovered that my engine is running with a regular non balanced 350 flywheel, but I haven't noticed any strange vibrations.
my engine comes from a 1984 C30 pickup, did this engine come from the factory with a balanced flywheel? are all 454's externally balanced?
the previous owner must have changed it and didn't noticed the difference.
I'm doing a cam swap and some minor porting before it goes into the engine bay of a '46 chevy, will bolt to a modified TH350 with a 2.200rpm converter and 4.11 rear end.
Far as I know they`re external balance on a 454.
If a non external balanced job was installed it wouldn`t have ran very
long before it destroyed the thrust surface. One time when I happened
to be in the same place where a guy swapped on a new flexplate on
His 400 small block that was a 350 unit, he got out of the driveway and
about 60 yards away before it started knocking.
In this case do you mean flywheel as in for a stick shift or flexplate for a automatic?
my bad, it's a flexplate, automatic transmission.
it doesn't have any weigths, it's a regular 350 unit for sure.
but the engine is not damaged, maybe I stopped it just in time...
Be aware that there are also several different 454 flexplates. So be careful to match the years. Later flex plates are more weight. ALL WILL BOLT UP TO A TWO PIECE OR ONE PIECE SEAL CRANK.
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