Guernb2\u2019s K-Swapped \u201990 Miata!<\/p>\n
Modifications:
\n\u2013 Honda K24 with K20A VTEC Head
\n\u2013 NB2 6-speed transmission swap.
\n\u2013 Four interchangeable gear ratios.
\n\u2013 Tuned with 5,800 RPM VTEC engagement and an 8,600 RPM redline
\n\u2013 Adjustable Coilovers (with adjustable slow and fast bump and rebound)
\n\u2013 Adjustable ARBs
\n\u2013 Equip 01 Wheels
\n\u2013 Upgraded Brakes with Adjustable Bias and Force
\n\u2013 Nardi Steering Wheel<\/p>\n
Credits:
\nMod base used for the rework \u2013 INFTY \/ KOALA\u2019s MX-5 K-SPEC
\nEngine \/ Drivetrain \u2013 Guernb2
\nSuspension \/ Chassis Tuning \u2013 Guernb2
\nTire Models \u2013 Guernb2
\nSound \u2013 Tiago Silva\u2019s EK9 Turbo Civic
\nShifter and Wheels \u2013 Touge Workshop
\nHardtop \u2013 Forza 4<\/p>\n
Release Notes:
\nThe goal of this mod was to create a fun yet realistically modified NA Miata equipped with a Honda K-series engine. The default tuning is designed to deliver a fun and lively vintage\/modern race car feel for the street, with small, twisty tracks and mountain roads in mind. The car is fully adjustable, just as it would be in real life, and the default suspension settings have been chosen based on accurately calculated values derived from common spring rates used on high-quality aftermarket coilovers, taking into account the Miata\u2019s suspension geometry. The engine\u2019s power\/torque curve was based on several dyno sheets from other similar K-series builds; the 6-speed gear ratios match those of an NB 6-speed, and the final drive options are all real ratios that were available in the factory Torsen differentials. I created the Modern Track tire model from scratch, drawing on real-world experience with a Miata on ultra-high-performance tires such as Nankang AR1s.<\/p>\n
Disclaimer:
\nI do not claim sole credit for creating this mod. While I handled the engine dynamics, tuning, and overall performance of the car myself, I used INFTY \/KOALA\u2019s K-Spec MX5 as a base. This provided a clean model with the wheels, hardtop, and interior already in place. Some issues with Koala\u2019s K-Spec mod were fixed, such as incorrect tire radius and body offset that were causing problems with ride height and floating wheels. I also sourced a relatively accurate Honda engine sound from Tiago Silva\u2019s EK9 Turbo Civic (without the turbo sounds in this version). The engine swap, suspension, brakes, transmission, and tires were all modified from the base mod by myself.
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