Imca modified crate engine. Designed for racers who demand more power, more torque, and the freedom to maintain their own performance. Call (855) 806-1147 or Order Online! New rules for 2025 IMCA Modified drivers features a spec engine that offers the same competitive performance as the 604 crate while allowing the use of a These IMCA-sealed 604 crate racing engines are based on the popular Fast Burn 385 street crate engine, but include a racing-only 8-quart circle track oil pan with dual kick-out design, along with a valve cover breather kit and special "kool nut" rocker arm design. GM Performance Parts offers a basic crate engine package for IMCA racing and other circle track racing classes, however, it is pretty basic and engine builders should be able to improve upon the performance of this standard small block. The IMCA Hobby Stock engine rules are a good place to start for details on racing a 602 GM crate engine. If you have questions regarding eligibility or rules, please reach out prior to Race Day by emailing southernraceway@huntthefront. I have a few questions: Would a crate motor or claim engine be best for a rookie racer? (As a grandstand watcher, Id prefer claim over crate) What track conditions dictate the type of engine you will use? Why do crate engines get lower RPMs then a claim engine? Find The Racing Engines You Need At KarlKustoms. Friesen sells and ships GM crate engines to IMCA customers across the country and is an author­ized crate engine repair facility for IMCA. 2 to help their customers get ready for race season. 10 during the 40 annual IMCA Speedway Motors Super ls fueled by Casey’s at Boone Speedway. It comes in addition to the sanctioning body’s existing claim and crate options. vmm6, qdii3, yj9l, rehvc, vuzgcl, zawcx0, 2nix, nozdyd, jo8k8, dgp0,