Port Royal Speedway
Port Royal, PA — 1/2 mile
DIRT OVAL
TRACK SCIENCE · USDA SSURGO
21%CLAY
41.6%SAND
37.4%SILT
Udults · Well drained
Allegheny loam, 2 to 8 percent slopes
Balanced clay substrate — typical Midwest dirt; groove moves out as rubber builds.
High-bank 1/2 mile — add rear stagger vs flat. Sprint/micro +0.5–1"; LM/mod +0.25–0.5".
Juniata Valley 1/2 mi high-bank — 410 sprints, Speedweek, Tuscarora 50.
MERCH STUDIO · PRINTFUL
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