Econoline E350 1 Ton V10-6.8L VIN S (1998)
Piston: Testing and Inspection
Piston-Selection
NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
1. Select a piston size based on the cylinder bore.
2. Choose the piston with the proper paint color.
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red-in the lower third of the size range
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blue-in the middle third of the size range
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yellow-in the upper third of the size range
Note: For precision fit, new pistons are divided into three categories within each size range based on their relative position within the range. A
paint spot on the new pistons indicates the position within the size range.
