Engine News/Holidays 10 months ago Happy Holidays from Engine Builder Magazine Share Tweet Print Email Engine Builder,AuthorView bio Bio Recent Posts Popular Posts WD-40 Carb and Throttle Body Parts CleanerMelling Has Acquired Preferred Components Inc.Lubrication Specialties Inc. Announces Eric Trimble as Marketing CoordinatorShell and Pennzoil Support Future Tech Success CampaignJE Pistons Unveils Masters of Motors Competition Mazda to Revive its Rotary Engine for EV PlansNew Rules Package for 2019 Monster Energy NASCAR Cup Series SeasonShop Solutions - August 2018Porsche to Move Away From Diesel for ElectrificationRed Line Synthetic Oil Names JMPR its Agency of Record Thanks to all of you who have read and contributed to the magazine this year. Have a safe and happy holiday! Comments (1) Larry Carley Dec 22, 2017 at 12:10 pm They have been developing the plastic Polymotor for over 20 years, but have they actually built any production engine for racing or other applications? It’s a good weight-saving concept but requires metal cylinder liners. You can accomplish the same weight savings with a two-piece magnesium/aluminum block (BMW). Comments are closed.