Could be a variety of reasons why they have low comp (maybe they got a good deal on some low comp pistons or something), but you're right, it can be sluggish. On the other hand if they have low comp, it can allow you a slightly larger tuning window.
It's a give and take on either scenario: low comp - easier to tune, slightly lower power normal comp - in the middle high comp - well, you get the idea
low comp is usually the novice tuners' choice. read up on it more
Outside of Corona: "That sucks, peace out..." (jamie walks away)... "Sweeet, what we doin?" -Zac Tim's garage (prior to motor install): "Im gonna smoke real quick, that way if you fuck up I am already nicotined up" -Tim
