Converter choice?

I think, with that setup, you're going to want either 4.10s or 4.30s with those tires. It's a little shy in terms of compression ratio. I'd like to see it with more like 11.5:1 for what you're running. Plus with that cam and 1.6s, it's going to be lazy under 3500. I would be looking at something in the 3800 range. In terms of companies, I would get a unit from Lenny at Ultimate.