Pistons / Progressive Refinements

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Date Introduced Chassis No. Unit No. Modification
14 Mar. 1950 1-0152 857 185 196 only "KS" pistons with 0.035–0.055 mm clearance fitted from now on.[1]
30 May 1950 199 321 "Mahle Autothermik" pistons fitted in a number of cases. [2]
6 July 1950 1-0 173 141 207 431 "Mahle-Autothermik" pistons in a number of cases[3]

Notes

References

  1. “Engine, Clutch, and Heating System” In Progressive Refinements 1940 - 1961, M-5
  2. “Engine, Clutch, and Heating System” In Progressive Refinements 1940 - 1961, M-6
  3. “Engine, Clutch, and Heating System” In Progressive Refinements 1940 - 1961, M-7