carcols.dat
Use car4 line
skulshit, 14,17,125,14, 37,14,61,0, 61,0,17,14, 94,14,37,0, 0,14,14,17, 53,53,37,14, 125,14,37,0, 77,0,94,14

carmods.dat
skulshit, bnt_b_sc_l, bnt_b_sc_m, nto_b_l, nto_b_s, nto_b_tw, rf_b_sc_r, spl_b_bar_m, spl_b_bbr_m, spl_b_mar_m, wg_l_b_ssk

handling.cfg
SKULSHIT     1700.0    4250.3   2.3    0.0 0.0 -0.15 70  0.70 0.65 0.55 	3 140.0 20.0 4.0  R P 	7.15  0.52 1 35.0  	1.2  0.1   0.0   0.30 -0.2  0.5  0.0		0.3  0.64 8000 	80000020			6	1  1	0

vehicles.ide
ID, 	skulshit, 		skulshit, 		car, 		SKULSHIT, 	SKULKER, 	null,	poorfamily, 	7,	0,	0,		-1, 0.7, 0.7,		0