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Fitting Pistons

WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford Econoline, 1995 Ford Club Wagon, and 1995 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check piston-to-bore clearance. See PISTONS PINS & RINGS  table under ENGINE SPECIFICATIONS. Standard size pistons are color-coded Red, Blue or Yellow on piston dome. See PISTONS PINS & RINGS  table. Oversize pistons are also available.
  2. If bore diameter is in lower one-third of specification, use a Red coded piston. If bore diameter is in middle one-third of specification, use a Blue coded piston. If bore diameter is in upper one-third of specification, use Yellow coded piston. Use proper size piston to obtain specified clearance. See PISTONS PINS & RINGS  table.