Replace the original in handling.cfg with this one:

CHEETAH         1715.0	2.30	4.50	1.30	0.00	0.20	-0.35	70	1.15	0.89	0.51	5	220.00	36.00	R	P	10.00	0.52	0	30.00	1.90	0.13	0.80	0.56	45000	0.29	-0.03	0.35	0.60	208002	111	111

Replace the original in default.ide with this one:

105, cheetah, cheetah, car, CHEETAH, CHEETAH, executive, 10, 7, 0, 89, 0.99

GTA V base model:
Mazda RX-7 FD Converted to GTA 3 Mobile

100% Working and Optimized

By XE3