This is SportCompact Racing 1st Stage Rebuild the EVO 4-6 engine.
1.Head Full Cleaning
2.Cutting Valve angle
3.New OEM Valve seal
4.Tomei cams 270deg
5.HKS cam Pulley
6.Pen Type Performance Coil
7.ARP head Stud...
While doing some research, I found a few articles that I thought would be nice to share with the community. There seems to be some confusion as to what "octane boosters"...