I know a guy who has a speed shop and does dyno tuning and custom chip burning. I just had my PI head swap a few weeks ago and i want to know if it is worth the cash to get the tune done. He said it will cost me about $330CDN for the chip and about $120CDN for the Dyno time. Will I see noticeable gains by doing this or shoud I spend my cash on something else? He's going to phone me back today to set up a time. He thinks he can get over .5 of a second in quatermile time out of my car by doing this. Should I go for it or I am getting blown smoke?