Q: How much HP can I expect from the swap? A: Peak HP and low RPM torque are two different animals. Aftermarket manufactures sell peak HP numbers, drivability is determined by torque and how much HP is made at the rpm you typically drive in. My 1.6 motor got about 135-140 crank HP and so did my 1.8 using the 1.6 ECU. I gained 0 HP from the swap Eaton consistently offers the best Miata supercharger kits for the price. Fast Forward Superchargers has three NA superchargers, for 1990-93, 1994-95, and 1996-97 years. Each kit includes the Eaton MP62 supercharger and is compatible with 1.6-liter engines, and 1.8-liter engines for the latter-year models.
The 1999 Mazda MX 5 Miata (NB) 1.6 has a Inline 4, Petrol engine with 1597 cm3 / 97.5 cu-in capacity. How many horsepower (hp) does a 1999 Mazda MX 5 Miata (NB) 1.6 have? The 1999 Mazda MX 5 Miata (NB) 1.6 has 110 PS / 109 bhp / 81 kW. How much does a 1999 Mazda MX 5 Miata (NB) 1.6 weighs? The 1999 Mazda MX 5 Miata (NB) 1.6 weighs 990 Kg / 2183
The 1839 cc Miata motor only needs about 220cfm airflow to be able to turn 7500 RPM without dropping off HP. I spent $40 to have my OEM 1.6 flow meter checked, it flowed 165 CFM. That is only enough flow to support a 1839cc motor to less than 6000 RPM.
Horsepower (SAE net) 142: Add More Power: Torque (SAE net) 116: Add More Power: Fuel System: Multi-port electronic fuel injection: Shop Miata Fuel Parts: Ignition System: Electronic: Shop Miata Ignition Parts: Control System: Full ECU control system : Oil Pressure at 1,000 rpm: 15-28 psi: Shop Miata Oil System Parts: Oil Pressure at 3,000 rpm
In a naturally-aspirated state (without a turbocharger) the Miata’s inline-four runs optimally with a 2.25” diameter exhaust installed. A larger diameter exhaust won’t necessarily hurt performance (unless you go for 2.5″ or more in diameter), but you won’t see a boost in horsepower or torque with anything larger.

RELATED: 10 Affordable Sports Cars That Rock A V-8 Engine. Starting MSRP. $28,595. Engine. 2.4-Liter Naturally Aspirated Flat-4. 0 to 60 MPH. 5.4 Seconds. Top Speed. 140 MPH.

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  • how much hp can a 1.6 miata handle