Hi, My boost used to drop from 22+psi to 15-16psi before 5000rpm and the torque followed the boost curve. Now with the new BNR WGA and retune the boost holds consistently over 21+psi over 6000rpm, but there is no more power top end. With the retune the stock injector duty cycle is up from...

My local Chevrolet dealer offered to buy back my 14' LS. So I humored them and let them put the numbers together. To buy it from me out right, my 14' LS with 3500 miles, they offered 11k. Now I understand driving a new car off the lot is immediate depreciation but $6,500 dollars worth? SMH. So...

All thank to Rob Dyrdek, the Sonic is in the record books for a reverse jump of 89 feet and 3/4 inches in the air. Here is the video! DO NOT TRY THIS AT HOME! Lol.

Well, as it says in the title. During the process of installing K&N intake, the clip that holds the MAF sensor housing in place broke off. Now it is being held in by electrical tape and seems to work fine. I want to get this fixed as it is more of a peace of mind thing. Does anyone know...

I have a 2LT 1.4L 6 speed automatic, and I was hoping someone could explain what has been happening with my car, and it only seems to be a problem going highway speeds (our speed limit is 70 mph) when I was going 70 mph and topped a hill I let off the gas (did not put the brake on) and the car...