1957 GMC 9700 Diesel Build: From Fire Truck to 500HP Daily Driver A 1957 GMC 9700 Gets New Life Bob Ward has modified vehicles just about all his life. The 46-year-old millwright from Ontario, Canada, started building […] WENDY WILSON December 20, 2025 Diesel Engines Diesel Tech / How-To Diesel Trucks FEATURES GMC
![](https://ad.ipredictive.com/d/track/event?upid=111299&url="https://www.dieselworldmag.com"&cache_buster=1770991625&ps=1)