Engine - Oversize Piston Specifications

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Number: 88-441-6A

Section: 6A

Date: July 1990

Corporate Bulletin No.: 036104


Subject:
OVERSIZE PISTON SPECIFICATIONS


Model and Year:
1987-88 TURBO SPECTRUM


TO:
ALL CHEVROLET DEALERS

This bulletin supersedes and replaces the "Oversize Piston Specifications" found on page 6A1-5 of the 1987 Spectrum Turbo Service Manual Supplement (ST 371-87S) and the 1988 Spectrum Service Manual (ST371-88).

Select Oversize Piston

Oversize pistons are available as listed. Replace the pistons in matched sets. Take the largest bore measured and select the oversize piston for the bore. Bore all cylinders for the oversize piston selected.


Oversize 0.50 77.460 - 77.470 mm (3.0496 - 3.0500 inches)

Oversize 1.00 77.960 - 77.970 mm (3.0693 - 3.0697 inches)