PIT BOARD
PIT BOARD

Ace Speedway

Altamahaw, NC — 4/10 mile
DIRT OVAL
TRACK SCIENCE · USDA SSURGO
30%CLAY
56%SAND
14%SILT

Orthents · Well drained

Udorthents, loamy 0 to 25 percent slopes

Inferred profile — buffer ring / regional SSURGO

Balanced clay substrate — typical Midwest dirt; groove moves out as rubber builds.

Open dirt-tracks dataset · Garage setup tools
High-bank 4/10 mile — add rear stagger vs flat. Sprint/micro +0.5–1"; LM/mod +0.25–0.5".
4/10 mile
SIZE
clay
SURFACE
HIGH
BANKING
TIMEGRAM · ACE SPEEDWAY FRAMEinkwell.wiki/ace-speedway-nc SETUP TOOLSSTAGGER · SCALE · GEAR · HUNTER FAN ZONELIVE AUDIO · NEARBY TRACKS

High-bank 4/10 mi NC dirt — modifieds, late models, street stock.

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