Cost for labor on stroker build?

Dan the man said

It's hard to put a figure on this, as machine shop cost vary from one place to another. And parts cost, depends on where you shop. A good friend of mine built a 650 horsepower 406 sbc. He bought his parts off of eBay stores and they were all name brand parts.

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We just finished up a 409 inch SBC with Pontiac heads. It was mostly used parts with the exception of new pistons, lifters, valve springs, bearings, etc. Factory 400 block that has been raced for years, used crank, used rods, heads are 40 years old, etc. I think the owner has roughly $12K in the engine and it made 680 hp with a Dominator carb. The Pontiac heads are pretty trick. They were very trick 40 years ago and they still work pretty well today. If you had to build a 680 hp SBC with new parts it would cost more than $20K.