When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
*All* car engines, even new ones, are rated at the flywheel. In about '71 or '72 they started making them put the accessories on for the ratings. The "at the rear wheel" ratings are aftermarket type of ratings to try to gauge power available to move the car.