I need a flywheel for my new engine. It's a 383, I got the motor for relatively free, so I didn't ask questions about it, didn't even know it was a 383 till a few days ago. Anyways, I have an 8" balancer on the front of it, but I didn't get a flywheel with it. I'm guessing I need an externally balanced flywheel, but I don't know what they look like to know if I could find one in a yard. I have 2 flywheels lying around, they are in the picture, would it be possible to make them work, i read something about a spacer weight in this post here. Where would I get that? Attached is a pic of my extra flywheels, and I have one more on the current engine in the truck, that is a 350.
if I left anything out, just ask me and I'll do my best to answer everything. thanks.

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I believe you'll need a 400 flywheel and balancer, I'm not sure if the 8" balancer is the correct one or not, I'd give PAW or Summit (although Summit's tech line sucks) a call if no one on here knows. Good luck.