NOT a very good sign for the value of mopar muscle cars

The market is right up my alley, bought a 66 Belvedere no motor-trans-rear, was a Hemi 4speed. I figured a 440 driver but got bashed for not putting a Hemi back in, we’ll after many thousands of dollars it’s going back right. BUT will still be a driver and I was worried about resale (maybe) down the road, fells good now that the market is going this way now and I’ll make changes the way I like without worrying about the value.