Executive order
D-231
Whipple Industries, Inc.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| WI-TEC-72 | 1989-1991 Chevrolet and GMC 1/2 and 3/4 ton light-duty trucks with a 350 CID fuel injected engine | Spark timing is retarded up to 5 degrees to prevent detonation |