1.8,Miata FM ECU, custom intake, header, exhaust
Fred Uptagrafft's n/a 1.8 in a '90 car, with FM ECU, k&n behind headlight, RB header, supertrapp (LOUD!), stock boneyard motor, gasket matched. Very healthy! Stock 1.8 shown on chart for comparison.
Stock Vs
This would be nice