TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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EM/Engine Mechanical15 / 139
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Adjusting Shim Selection Chart (Exhaust) — MK4 Supra Engine Mechanical, page 15
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EG–15 ENGINE – ENGINE MECHANICAL Adjusting Shim Selection Chart (Exhaust) New shim thickness Shim No. | Thickness mm (in.) 1 | 2.500 (0.0984) 2 | 2.550 (0.1004) 3 | 2.600 (0.1024) 4 | 2.650 (0.1043) 5 | 2.700 (0.1063) 6 | 2.750 (0.1083) 7 | 2.800 (0.1102) 8 | 2.850 (0.1122) 9 | 2.900 (0.1142) 10 | 2.950 (0.1161) 11 | 3.000 (0.1181) 12 | 3.050 (0.1201) 13 | 3.100 (0.1220) 14 | 3.150 (0.1240) 15 | 3.200 (0.1260) 16 | 3.250 (0.1280) 17 | 3.300 (0.1299) HINT: New shims have the thickness in millimeters imprinted on the face. Exhaust valve clearance (Cold): 0.25 – 0.35 mm (0.010 – 0.014 in.) EXAMPLE: The 2.800 mm (0.1102 in.) shim is installed, and the measured clearance is 0.450 mm (0.0177 in.). Replace the 2.800 mm (0.1102 in.) shim with a new No.10 shim.