Dec. 21, 2023
The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows.
GM 350 160-165/287 change to 160-165/279 79 Century
Ford 428 335/375 change to 335/366 68 Shelby manual
Ford 428 335/375 change to 335/380 68 Shelby auto
Ford 428 335/385 change to 335/380 68 Shelby manual
Ford 428 335/385 change to 335/389 68 Shelby auto
Ford 428 335/350 change to 335/362 68 Shelby manual
Ford 428 335/350 change to 335/354 68 Shelby auto
Ford 428 335/388 change to 335/383 68-69 Shelby auto
Ford 428 335/345 change to 335/355 68-69 Shelby manual
Ford 428 335/350 change to 335/369 68-69 Shelby manual
Ford 428 335/360 change to 335/355 68-69 Shelby auto
Ford 428 335/350 change to 335/360 68-69 Shelby auto
Ford 428 335/350 change to 335/362 68-70 Cougar manual
Ford 428 335/350 change to 335/354 68-70 Cougar auto
Ford 428 335/360 change to 335/355 68 Cougar manual
Ford 428 335/370 change to 335/369 68 Cougar manual
Ford 428 335/360 change to 335/355 68 Cougar manual
Ford 428 335/370 change to 335/360 68 Cougar auto
Ford 428 335/360 change to 335/355 68 Comet manual
Ford 428 335/370 change to 335/369 68 Comet manual
Ford 428 335/360 change to 335/355 68 Comet auto
Ford 428 335/370 change to 335/360 68 Comet auto
Ford 428 335/360 change to 335/355 68 Mustang manual
Ford 428 335/370 change to 335/369 68 Mustang manual
Ford 428 335/360 change to 335/355 68 Mustang auto
Ford 428 335/370 change to 335/360 68 Mustang auto
Ford 428 335/360 change to 335/355 68 Fairlane manual
Ford 428 335/370 change to 335/369 68 Fairlane manual
Ford 428 335/360 change to 335/355 68 Fairlane auto
Ford 428 335/370 change to 335/360 68 Fairlane auto
Ford 428 335/350 change to 335/362 69 Mustang manual
Ford 428 335/350 change to 335/354 69 Mustang auto
Ford 428 335/375 change to 335/380 70 Cougar auto
Ford 428 335/385 change to 335/380 70 Cougar manual
Ford 428 335/385 change to 335/389 70 Cougar auto
Ford 302 139/150 change to 139/139 78 Fairmont manual
Ford 302 140/143 change to 140/139 79 GT
Ford 302 140/153 change to 140/149 79 GT
Ford 302 140/143 change to 140/139 79 Fairmont
Ford 302 140/153 change to 140/149 79 Fairmont
Ford 302 225/218 change to 225/215 87-89 Mustang auto
Ford added 140 150 Thunderbird 87 auto
Ford 302 225/218 change to 225/217 92 Mustang auto
Note: See class guide for specific details