90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Crankshaft Main Bearing: Specifications
Main Bearing Clearance
New ................................................................................................................................................................ 0.018 mm to 0.058 mm (0.001 to 0.002 in.)
Wear limit ................................................................................................................................................................................................. 0.16 mm (0.006)