L&M Engines Promo Codes & Coupons November 2026 — Up to 20% Off

Michael Rauscher founded L&M Engines fifty years ago and continues to work every day to dispel skepticism and myths and provide marketers with useful information and products. They at L&M Engines believe in providing the best possible customer service. They offer a comprehensive machine shop to provide a wide range of specialized services, which sets them apart from typical performance shops. Please give them a call if you have a question about a service that isn't listed or if you want to talk about your project. The maximum amount of ethanol that can be used is 85 percent, with the remaining 15 percent being gasoline. Additionally, E85 is not produced using pure ethanol; Ethanol from denatured fuel is used, which has already been diluted by 2%. As a result, E85's true maximum ethanol content is 83%. However, when it comes to engine tuning, the allowable minimum ethanol content is much more interesting and pertinent.