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2008
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GX 470 V8-4.7L (2UZ-FE)
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Tune-up and Engine Performance Checks
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Spark Plug
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Specifications
Spark Plug: Specifications
Spark plug
Electrode gap
1.0 to 1.1 mm (0.039 to 0.043 in.)
Maximum electrode gap
1.3 mm (0.051 in.)