Each engines have virtually identical exhaust cams. However the Blacktop has 0.23mm better elevate over the intake. The cams may be swapped between the engines if the VVT cam equipment is usually swapped, but there would be no point as both cams are virtually equivalent so there can be no https://4age-20v02345.webdesign96.com/29593754/what-does-4age-engine-sale-mean