IMCA Modified is the top modified division sanctioned by the International Motor Contest Association. [1] The series began in 1979. It was designed to be a mid-level class between late models and hobby stocks. [2] The first IMCA modified race was held at the Benton County, Iowa Speedway in 1979 on a 1/4 mile track. [3]
The car bodies are hybrids of open wheel cars and stock cars. The front tires have no body around them like an open wheel car, and the back wheels have a body around them like a stock car. The series has a $1,050 engine claim or $100 and exchange rule, and a one tire rule. [1]
A sport modified division was created out of this division in the mid-2000s. This class features a similar chassis with lower horsepower, with the claim rule being $550. The division is divided into Northern and Southern Modified classes depending on the track's location in the United States. [2] The Northern Modifieds feature restricted motors and chassis. [2] The Southern Modifieds are purpose-built cars on 1978–87 General Motors G-Body chassis. [2]
Source: [21]
reference: [26]