200-225 RWTQ is pretty safe on a miata, much more than that and you risk bending the stock rods. A 5.3L in stock trim crammed in a miata would likely rape any stock block turbo miata. They make more HP and TQ in stock trim than most boosted miatas.
Mileage: 81,336 miles MPG: 21 city / 26 hwy Color: Black Body Style: Convertible Engine: 4 Cyl 1.8 L Transmission: Manual. Description: Used 1999 Mazda Miata Touring with Rear-Wheel Drive, Leather Seats, Hard Top, Tinted Windows, Heated Seats, Keyless Entry, Alloy Wheels, Premium Sound System, and Satellite Radio. More.The actual transaction price depends on many variables from dealer inventory to bargaining skills, so this figure is an approximation. 5-Year Cost to Own. Compare. Sport Convertible. $28,050 MfjvA.