DEEP SOURCE PASS · 2026-07-20
DATA GRADE A

Maxim

Dirt sprint ladder frame (305/360 winged sheet + series rules). Numbers below come from public manufacturer sheets or sanction rulebooks. We do not invent missing values.

Wheelbase

VALUE
83–90" series envelope (USAC / ASCS)
Sanction wheelbase rule plus Team Maxim 305/360 winged baseline sheet
USAC National Sprint + Team Maxim 305/360 Winged Set-Up Sheet

Published geometry & baseline numbers

Series wheelbase
Min 83" / max 90"
USAC / ASCS sprint rules
Baseline stagger assumption (sheet)
13" with 105" RR tire (305/360 winged sheet)
Team Maxim 305/360 Winged Set-Up Sheet
RF arm length
13½"
Team Maxim 305/360 Winged Set-Up Sheet
Average track bars LF/RF/LR/RR
1000 / 1025 / 1000 / 1025
Team Maxim 305/360 Winged Set-Up Sheet — Average
Average blocks 305/360
3-1/2" LF/RF · 4" LR/RR
Team Maxim 305/360 Winged Set-Up Sheet — Average
Average wheel spacing LR/RR
~13¾" / ~17"
Team Maxim 305/360 Winged Set-Up Sheet — Average
Average ride heights LF/RF/LR/RR
14½" / 16⅛" / 12⅝" / 14⅛"
Team Maxim 305/360 Winged Set-Up Sheet — Average
Tacky top wing
24° (bottom of left side board)
Team Maxim 305/360 Winged Set-Up Sheet
Tacky nose wing
30° or parallel with down tubes
Team Maxim 305/360 Winged Set-Up Sheet
Raised rail block note
Deduct 1" from LF and LR block height on raised-rail chassis
Team Maxim 305/360 Winged Set-Up Sheet
Wheel offsets tacky LF/RF/LR/RR
3 / 4 / 6 / 6
Team Maxim 305/360 Winged Set-Up Sheet
Maxim publishes condition-based torsion/block/wing baselines. 410 free PDF still thinner than 305/360 winged sheet — do not invent 410-unique C-C lengths.

Primary sources

· Team Maxim 305/360 Winged Set-Up Sheet PDF
· Maxim tech downloads
· USAC sprint wheelbase 83–90"
Always verify against your exact year chassis and series rulebook. Setup sheets change by year.
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Interactive mid-window card
KNOXVILLE DEMO → PREFILL CHASSIS

Manufacturer correction

If a number is wrong for a specific year, email the correction with a sheet PDF. We will update grade and sources.

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