motor drag

motor drag

In NASCAR, They Are Concerned about one thing. That engine lasting for one race, be 400, 500 or 600 mile event. After the race That engine is not a concern 'To That team Any longer. After the race That engine is Sent back to the shop for a total engine rebuild and dynamometer testing. Trying to tell That One That team owner oil brand of racing is better than the other engine or Will Make Their Last Longer Will not sell a lot of oil.