I had the frpp one a while back. It had a b cam and the gt40x heads.
I went 12.743@107.09 with it on nitto 17" dr's, 60ft was a 1.705. Best MPH was 109.99 and that was with skinnies on the front.
I liked the engine, and it went good for what it was. The car was fairly light(3250#'s with me in it), hooked well, and had 3.90 gears. No doubt it would have went faster with 4.10's.
I bought the engine used and got a smoking deal, around 800 when it was all said and done. I would NOT buy it new and they are 3k+ correct? Id rather build my own settup with parts i pick (afr heads, fti cam)