LS1 crankshaft end play should measure 0.0015–0.0078 inch. Learn where the No. 3 thrust bearing is located, how crankshaft end play is measured, and what to check during an LS1 engine build.
The 2002–2003 Acura RSX factory fuel pressure specification is 47–52 PSI (320–370 kPa). Here’s how to test K20 fuel pressure and diagnose readings outside the factory range.
A warm Acura RSX should not remain at 1,500 or 2,000 RPM. Diagnose vacuum leaks, throttle operation, IACV control and PCM sensor data before adjusting anything.