SuperNats XXVII

207DAYS

2025 Winter Series

2025 TBA

2024 Pro Tour

55DAYS

SKUSA Mexico

34DAYS

2024 PKC

NOW!!!

2024 TSRS

13DAYS

Next SKUSA Pro Tour Event


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springnationals - Rounds 3&4 June 14-16, 2024
Motorsports Country Club
of Cincinnati 

2848 US Route 50
Batavia, Ohio 45103
(513) 625-7223
mcckarting.com
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SKUSA Pro Tour

Pro Tour TaG Engine Updates from SKUSA Tech Dept
Monday, 29 March 2010 13:39
Sonik engines in SKUSA Pro-Tour
Since the 2009 SuperNats, we continue to see very few Sonik engines in SKUSA regional competition.  In fact, during the first four races of the ProKart North and South series we have only had one entry with this engine.  Due to this continued lack of performance data, we have chosen to not permit the Sonik engine in the Pro-Tour. We encourage all SKUSA competitors to continue to use Sonik’s in our Regional programs to allow us to further evaluate its performance.
 
Leopard MY09 engines
We also have had almost the same situation with this engine in terms of participation.  Initial evaluation indicates a need to retain the option to adjust weights. We will continue to monitor the performance of the MY09 and reserve the option to add weight as needed. As is frequently the case with different engines, it appears to have a slight advantage at some tracks and have comparable performance at others.