Willard Marbelle settings. 
If you have Modloader then the Vehicles.ide, Handling.cfg, Carcols.dat and Carmods.dat settings can 
be simply installed by copying this file in a folder inside ModLoader directory.
E.g.: 
GTA San Andreas\modloader\Willard Marbelle\Settings.txt

Replace the default line in Vehicles.ide with this one:
492, greenwoo, greenwoo, car, GREENWOO, GREENWO, null, poorfamily, 5, 0, 0, -1, 0.7, 0.7, 0

Replace the default line in Handling.cfg with this one:
GREENWOO 1600.0 4100.0 1.8 0.0 0.0 -0.2 70 0.65 0.84 0.51 4 160.0 28.0 135.0 R P 2.9 0.62 0 30.0 0.39 0.41 2.0 -0.035 -0.165 0.5 0.15 0.11 0.54 19000 00110000 10000001 0 3 0

Remove the default line from Carcols.dat and add the next line in car4 section of the file:
greenwoo, 87,87,1,25, 84,84,1,25, 15,15,1,25, 28,28,1,25, 37,37,1,25, 62,64,1,25, 77,77,1,25, 59,77,1,25

Replace the default line in Carmods.dat with this one:
greenwoo, bntl_b_ov, bnt_b_sc_l, bnt_b_sc_m, bnt_b_sc_p_l, bnt_b_sc_p_m, exh_b_t, exh_b_m, exh_b_s, lgt_b_sspt, nto_b_l, nto_b_s, nto_b_tw, rf_b_sc_r, spl_b_bbr_l, spl_b_mar_m, spl_b_bar_m