I'm wondering, if this is the max wedge truck. 1968 Motor Trend 500 at Riverside and famous actor Keenan Wynn in the Dodge D100 pickup during the pre race parade. I wonder why the chopper was in the pickup bed with him

https://www.facebook.com/photo/?fbid=3111184665722188&set=gm.1551107059498448&idorvanity=226675368608297

https://www.gettyimages.co.uk/search/2/image?page=4&phrase=nascar%201968&sort=mostpopular&license=rf%2Crm