my conversion with the radiator in front runs 180-190 on hot days on the interstate. but with the 930 transaxle i am only turning 2200 rpms at 70 mph. and my car has a small frontal opening as it is a ruf yellowbird front spoiler and i dont want to cut the opening larger! the engine is a mast motorsports ls7...427 cubic inches..and makes 700 chp!