Are all brake sizes similar throughout the yrs? > Fuel injection systems, the 10VT would have the MC, and the 20VT would > have CIS-E3?? The '86+ 10VT has CIS with a special Hitachi ECU that controls fuel, ignition and boost. "MC" is the engine code. The 20VT does not have CIS. It has Motronic sequential pulsed injection.