I run a
GTX2863 w/ .64 AR hotside, stock mani/engine, nismotronic w/ 740cc right around 20psi. It has a great midrange pull, but I think the .64 is choking it out a little on the top end. 'Tuned' by me, no dyno.
It's plenty for me with a stock engine and S13 as a daily, but I do wonder how a
GTX2867 with a larger AR hotside would have done. Probably pretty wild with some cams, but I'm not sure a stock SR20 would handle that. 2867 is also +$500 vs. the 2863.
