WISSOTA

Speedwerx Renews Support of Challenge Series; Head...
BuyRaceShirts.com to Host Challenge Series Pre-Rac...
Free Gloves or Shoes to SERVPro Stars of the Serie...
Speedwerx Renews Support of Challenge Series; Head...

Speedwerx Renews Support of Challenge Series; Head...

4/26/2024 -
Speedwerx has been involved with the Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western S
BuyRaceShirts.com to Host Challenge Series Pre-Rac...

BuyRaceShirts.com to Host Challenge Series Pre-Rac...

4/24/2024 -
As things continue to grow, the 2024 Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western S
Free Gloves or Shoes to SERVPro Stars of the Serie...

Free Gloves or Shoes to SERVPro Stars of the Serie...

4/19/2024 -
Leaders with the Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star are excited to w

Latest News

Speedwerx Renews Support of Challenge Series; Headlines 2024 Fant

Speedwerx Renews Support of Challenge Series; Headlines 2024 Fant...

4/26/2024
Speedwerx has been involved with the Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star for a few years as the Hard Charger Sponsor, and this year will transition to the sponsor of MRP’s Speedwerx Fantasy...more
BuyRaceShirts.com to Host Challenge Series Pre-Race Show in 2024

BuyRaceShirts.com to Host Challenge Series Pre-Race Show in 2024

4/24/2024
As things continue to grow, the 2024 Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star will host a pre-race show before each series event this season, featuring drivers, track promoters, sponsors and other...more
Free Gloves or Shoes to SERVPro Stars of the Series at 2024 Chall

Free Gloves or Shoes to SERVPro Stars of the Series at 2024 Chall...

4/19/2024
Leaders with the Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star are excited to welcome Velocita back on board as a sponsor of the 2024 Challenge Series. Among other things, Velocita will give away one...more

Quick Info

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Structural Buildings Challenge Series
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Tech Observations From the First Few Weeks
566
5/16/2019

5/16/2019

WISSOTA


Tech Observations From the First Few Weeks

After the first few weeks of the 2019 WISSOTA racing season these are some of the observations that tech staffs have reported.

First of all, Drivers MUST read the front part of the WISSOTA 2019 rule book along with your class rules. On page 17 of the 2019 WISSOTA rule book, section 3 is “Minimum Specifications” to be used in all classes.

Some of the safety things that have been found. These items are for multiple WISSOTA classes.

  • All fuel cells must have fuel cell straps.
  • Battery terminals must be covered with plastic or rubber.
  • Car number identification must be present on last piece of exhaust.
  • No air bleeder valves of any kind are permitted on any wheels.
  • Know the seat belt rules as many manufacturers have changed their recommendations. Page 18 rule 3.3.8
  • You must display the type of engine option you are using [example Spec, concept, crate] on the left front window post, or side of hood or hood scope. In classes that have multiple engine options.
  • Must have ALL stickers and patches.

WISSOTA Late Models.

  • Max. deck height 39".
  • Max. deck width 78" in middle of car tapering in to 72" at back of car.
  • Max. of 1 1/2" roof rake front to back.
  • Right side of car cannot be concaved.
  • Max. body width near ground at bottom of panels 82".

WISSOTA Modifieds

  • Max. deck height 38".
  • Max deck width from the front of deck to the back of deck 66".
  • Max. body width at bottom of panels near ground 78".

WISSOTA Super Stocks

  • Max. deck height 37"
  • Max. roof rake front to back 1 1/2"
  • Max. deck width 76" tapering in to 72" at back of car.
  • Understand leg saver guard or drive shaft rule. Page 54 rule 18 A-B. in 2019 rule book.

WISSOTA Midwest Modified

  • Max. deck height 38".
  • Max. deck width from the front of deck to the back of deck 66".
  • Max. body width at bottom of panels near ground 78".
  • No spoiler supports with the 2" spoiler, may use sail panel/roof post for spoiler supports.

WISSOTA Street stocks

  • Must use stock roof rake.
  • Stock exhaust manifolds only. No grinding or altering inside or outside.

WISSOTA Mod-4

  • Max. roof rake. 2 " for every 24" of roof length front to back.
  • Max deck width 64"
  • Max. deck height 38".
  • Can not machine/cut rotor off front hubs.

WISSOTA Pure Stocks

  • Mandatory safety vent bar from top door bar to A pillar bar on left side of car.
  • Must have stock trunk for type of car being used.
  • Entire trunk floor must be covered with steel
  • Rear end gears must come stock for the year and make of car being used. G-bodied cars 241, 256, 273 gears.
  • No cock pits.

WISSOTA Hornets

  • Mandatory safety vent bar from top door bar to A pillar bar on left side of car.
  • Racing springs not allowed.

Submitted By: Carson Gramm

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