Thread: Flywheel Swap

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Originally Posted by techinspector1

I checked into this at one time and I seem to remember that the eccentric weights were different on 454's than they were on 400's.

yes your right the mass is not the same so the counter weigth is not the same but you could use any one like i said if you want to add heavy metal to the crank

All I can tell you is that a stock 454 flywheel will work on a 400sbc That is what I used when I had a 400sbc in a '62 pickup.