1993 RX-7 with Chevy V8

This 1993 RX-7 was created to roast some tires as you can see in the video below. The 383 cubic inch Chevy V8 is hooked up to a Procharger F1C supercharger to produce 843 horsepower. For more information and photos click the source link below. Source: BangShift

1st Gen RX-7 with 1650 Horsepower

This video below shows a first generation RX-7 with a twin turbo 427 cubic inch Nelson Racing built motor swapped under the hood. Watch as it easily smoke the tires whenever it wants using 1,650 horsepower. Source: Over-Boost

For Sale: Widebody RX-7 with LS1

A very nice 1993 Mazda RX-7 with a LS1 / T-56 is up for sale. The car has many upgrades besides the engine swap. The car is $30,000 and located in Florida. Check the source link below for more details. Source: 6SpeedOnline