Thank you. I wish I could have built a 427 side oiler, but the originals are almost gone, after drag racers blew them up, sitting outside and rusted. There are two company's make new blocks in Iron or aluminum but their $4500-$6000 and Shelby has a aluminum FE but are $7000. The Shelby and BBM are works of arts ! Even the 428FE's (which every street cars came with) are getting rare and the prices have gone out of control. With the bores, you can get around 550 HP for apx. $13,000-$15,000. With my 460, I stroked it out to 527cu. and will be around 725-750 (maybe more) with my stack injection and them amazing Kaase SR-71 heads for $11,000, without the EFI. I'd rather have a aluminum side oiler, but their about $19,000 (a friend has one in his Cobra) with 600 HP or the Shelby FE $25,000 and about 650 HP. That's I went with the 460, and their bullet proof ! A guy I know drag races his and stroked it to 630cu. Mechanical roller cam, dual carbs, 14:1 compression, 114 octane fuel etc, dynode at 963 HP, built it himself for $16,000. He has over 28 races on it, but he's freshining it this winter.