A modified 1/10 scale 2wd Associated RC10 off road racer with an off-the-shelf Parma International 1963 Chevrolet Corvette body was used in the famous chase scene in which "Dirty Harry" Callahan is being pursued through the streets of San Francisco, California by a highly explosive bomb disguised as an R/C car. The "bomb" was driven by world-champion race driver Jay Halsey. The car was in fact was sold with an electric motor being a competition model, which for cars in that scale was at that time only sold and permitted to enter competitions with electric motors; the internal combustion engine soundtrack were added in post-production.
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