Today, dollar for dollar, is the 318 faster than the 340 ???

448Scamp said

Your “well seasoned” block won’t have straight bores, decks or main line. I outlined what I consider to be the bare minimum for machine work to do a rebuild on a core. As RRR pointed out, the prices weren’t even unrealistic or unreasonable. You can do it cheaper but what’s the gain except you have a few more dollars in your pocket? And as the numbers point out, and as I said from the beginning the 3k rebuild number is unrealistic and unreasonable. Doesn’t matter what engine you start with.

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Again this is your opinion.

Many of us only want a street engine that lasts. I care less if it does 12 seconds. Snappy and fun to drive is all most fokes I know want.

You can put $15,000 in to a 340 and stick it in a $25,000 1970 Duster. While sitting at the light, a new 2021 Camero ZL-1 pulls up next to you. When the light turns green and you punch it with a smile on your face, the Camero driver thinks WTF, he wanted to race, punches it as you are still pulling away and he still beats you to the next light.He has about $65K in his car but it gets 20 MPG for his 650 Horses. He can jump in it and have a nice ride going 500 miles a day in comfort.

I have built a few engines since 1970 that have gone over 100,000 miles pulling heavy Pickup's, Vans and Class A/C motorhomes.

Mic everything out and replace as needed. If the oiled crank spins in the bare block new bearings that measured out good with just my hand on the snout, why line hone it. Most times when I am having the block delux degreased they deck the block a few thou, some more.