318 to 383 BB conversion for 71 dart

You should think about bigger torsion bars, too. Do a search and you'll find lots of different thoughts on what size would be best. Mounting the battery in the trunk'll help take that extra weight off the front end, so will going with an aluminum intake. Probably going to need a bigger radiator as well, check out Champion; there's a member here that sells them. I went with their 22" 3 row and it seems to cool just fine even without a shroud. It's a tight fit with a fixed fan, I'm not sure if my clutch fan will fit. Could always go with electric fans if it's an issue. Yeah, I know it's not drive train tips but you'll be surprised how many little things you didn't think about are going to pop up. DAMHIK