From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The wear measurements in the bores and pistons for a Ford V8 chassis.
| Identifier | ExFiles\Box 103\2\ scan0016 | |
| Date | 3rd May 1939 | |
| REPORT RE WEAR IN BORES & PISTONS. ========================= Fitter: Mann Egerton Chassis No.: Ford V8 Job No.: Mileage: 14,179 Date: 3. 5. 1939 BORE TABLE: BORE | NOMINAL | TAPER | OVAL | M | C | T 1 | 3.0625" | +.015" | .0045" 2 Starboard | " | +.010" | .003" 3 block | " | +.009" | .004" 4 | " | +.011" | .005" SMALL ENDS:- REMARKS:- PISTONS TABLE: PISTONS | TYPE | TOP | BOTTOM 1 Aluminium pistons 2 fitted with 3 2 compression rings 4 1 scraper ring. Signature: JB | ||