Article 1991 - 1970 Model FT Engine - Improved Oil Economy

TSB #126 - November 7, 1969
(F, B, C, N & T with 330, 361, and 391 CID Engines)


The following engine improvements have been incorporated into production:
    1. New piston with full circle dish in top and a 5/32 inch top compression ring groove.
    2. Top compression ring barrel faced with no serrations and .006 chrome finish.
    3. The Number Two and Three compression rings have scraper grooves and are phosphate coated.
    4. The oil ring is a cast iron one-piece design with .004 chrome and a hump-type expander.
    5. New water pump with increased drive ratio and impeller and by-pass revisions.

PRODUCTION CORRECTION: October, 1969
WARRANTY STATUS:
INFORMATION ONLY