John competes in Top Dragster and Super Stock, Troy Sr. races in Pro Modified, Mike races in Top Sportsman, and Jeg Jr. in Pro Stock.
Rules initially favored big-block V8s but by 1972 (after the Sox & Martin Hemi cars captured the first two prostock titles handily) had changed to favor small-blocks to factor out the Chrysler Hemi cars.
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He is involved in import drag racing, and currently pilots a 2006 Honda Insight in the pro stock ranks of IDRA (battle of the imports), IDRC and CMI series.
He sold his two Super Stock Mustangs late in the season 1972, and purchased a Pinto Pro Stock from Jack Roush and Wayne Gapp.
The brand also made its way into NHRA Drag Racing by sponsoring Warren Johnson, whose multiple Pro Stock championships put the brand at the forefront to a new demographic of customers.
Erica Enders - Most successful female Pro Stock Driver in NHRA history; a Disney Channel movie Right on Track was created, based on her life.
He made his competitive driving debut in a Pro Stock Oldsmobile Cutlass at the 1993 NHRA Winternationals in Pomona, CA, qualifying fifteenth, and won two rounds before being narrowly defeated by former teammate Scott Geoffrion in the semi-finals.
The G6 GXP also races in the NHRA Powerade Drag Racing Series Pro Stock class for Warren Johnson Racing.
Together with racing partner Buddy Martin, Sox was the winningest Pro Stock driver (nine victories in 23 events) in the 1970-72 "four-speed era".