Fixing vs. Buying a New Engine / 273

Unless you get a running magnum for free like I did, I think you may be well served to stick with an LA...you can adapt some of your parts from the 273-like the rockers as was mentioned. A stock magnum would certainly propel your A with ease, but you'd have to run some magnum specific stuff or buy adapters for nitnoid stuff...run a search though...there are probably at least a dozen regularly commenting members who run magnums