RULE CHANGES IN FACTORY STOCK SHOWDOWN ANNOUNCED

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RULE CHANGES IN FACTORY STOCK SHOWDOWN ANNOUNCED


 

Changes are coming for the NHRA’s Factory Stock Showdown division. NHRA’s Technical Department announced on Thursday, May 23, 2019, the minimum weight for the 2015 Drag Pak combination has been reduced from 3,575 lbs. to 3,500 lbs.

Additionally, the 2019 Cobra Jet 351 supercharger overdrive is being reduced by (17.9) percent from (150.0) percent to (132.1) percent. To accomplish the supercharger overdrive reduction on the 2019 Cobra Jet 351, the upper supercharger pulley will be changed from (3.250) inches to (3.500) inches.

NHRA’s Tech Department also issued three other vital reminders.

“As a reminder no other changes may be made to all approved superchargers, including, but not limited to: (upper or lower pulley sizes, gear ratios, cases, rotors, etc.),” a memo from the NHRA stated. “All other permitted combinations in the SAMTech.edu NHRA Factory Stock Showdown will remain unchanged.

“To help prevent oil downs all vehicles must now have a properly fitting lower engine oil containment device. In addition, the designation for this class has been changed from FS/XX to FSS.”

These rules go into effect immediately.

 

 

 

 





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