Testing Procedure
Connect tachometer to engine. Apply parking and service brakes firmly. Stall test transmission in each driving range at WOT. Note maximum RPM obtained. Engine speed should be within limits. See STALL SPEED SPECIFICATIONS table. If maximum RPM obtained is not within specifications, see STALL SPEED TEST RESULTS .
STALL SPEED SPECIFICATIONS
| Vehicle Application | Engine Size | Stall Speeds (RPM) |
|---|---|---|
| E150/250 | 4.9L PFI | 1583-1900 |
| E250 (8550 GVW) | 4.9L PFI | 1548-1855 |
| F150/250 | 4.9L PFI | 1590-1907 |
| Bronco & F150/250 | 5.0L PFI | 2068-2458 |
| E150/250 | 5.8L PFI | 2218-2666 |
| F250/350 | 5.8L PFI | 2215-2661 |
| Bronco & F150/250 | 5.8L PFI | 2217-2665 |
| E250 (8550 GVW) & E350 | 5.8L PFI | 2216-2662 |
| F150 | 5.8L HP | 2234-2701 |
| E350 & F250/350/Super Duty | 7.3L Diesel | 1789-2096 |
| F250/350/Super Duty | 7.5L Turbo | 1923-2256 |
| E350 & F250/350/Super Duty | 7.5L | 1943-2315 |