2018 Late Model Rules

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Posted November 28, 2017

DIRTcar rules can be viewed and/or downloaded here.

(1) Hoosier D55 spec tires, Hoosier D55 E (Economy), Hoosier WRS spec tires and Hoosier WRS2 spec tires 11 x 86, 88, 90 and 92 are permitted.
(2) Must utilize a window net on driver’s side and/or approved arm restraints.
(3) Must use a rev limiter with a 7,000 RPM chip. Chip must be out of reach of driver.
(4) Cars utilizing an aluminum block must add fifty (50) of additional weight in front of motor plate.

390ci or smaller 7600 rpm
391ci or larger 7000 rpm

Aluminum open motors 2300lbs (50lbs in front of motor plate is no longer required)
Steel blocks and 604 crate motors 2200lbs.

604 crate motors ONLY 12" blade.
All other engines 8" blade