I recommend replacing infernus if your're replacing a car... but adding it will also work.
EPM line
418536135,5,32,10,I,K,1,1,0,0,1,0.1,1,-0.20,0,0,0,0,0,0,0,0,LFARspoilerNoelGamo
Handling
1480.0 0.31 85 0.0 -0.05 -0.25 0.16 6 0.269 1.0 325 0.51 0.65 0.85 28.0 1.80 1.30 14 0.1 0.5 3.2 1.5 2.0 0.09 -0.11 0.0 0.49 1.0 0.6 0.85 1.5 0.0 1172000 00442010 0640C004 0
Vehicles
infernus,		infernus,		car,		INFERNUS,		INFERNUS,	VEH@LOW,	VEH@LOW_CONV,	20,	999,		0.2500,	0.2500,		0,	5,	1.0	,0,	sports+livery
BUGS KNOWN.. 
Game Crashes when shooting windscreen.
scratch work 
Noel Gamo

Thanks to everyone who helped me and taught me how to convert to IV
specially to Kotton, threepwood

Please post feedbacks on the topic thank you xD

Do not post this mod on any other site without my permission

you can email me at noelquevada@yahoo.com