Grant 302
basic and well known psychic
S197 Springs Front/Rear:
OEM:
Boss 302 ................... 148F/186R lbs/in
Boss 302 Laguna Seca 137F/191R lbs/in
Brembo GT/ GTPP ...... 131F/167R lbs/in
GT and V6PP............... 123F/156R lbs/in
P Springs (1" drop) 230-260/202 (est - may be same as published K below)
K Springs (1.5" drop) M-5300-KA Front: 228 lb/in. Rear: 199.5 lb/in.
T Springs (0.6/1.4" drop Boss reference) M-5300-T Front: ??? Rear: 199.5 lb/in. (uses K spring rear)
GT500 -
Aftermarket:
Steeda Ultra Lites 555-8206 (1.25/1.5" drop) - 195lb front, 175lb rear
Steeda Sport Springs 555-8215 (1.0/1.25" drop) - 200lb front, 175lb rear
Steeda Comp Springs Boss 302 555-8245 (0.2"/0.8" drop-Boss reference) - 225lb front, 195lb rear
Eibach sportline 4.12535 (1.6"/2") Front: 183 lb/in. Rear: 103-217 lb/in.
Eibach Pro kit GT/Boss 35125.140 (1.0/1.5" drop)
Eibach Pro kit 35101.140 '05-10GT/'10V6 Front: 171-228 lb/in. Rear: 180 lb/in.
MM R&T Lowering Coupe 435H0 (1.9/2" drop) 320-360F / 260-380R ('vert same rates)
H&R Super Sport 51655-77 (1.7/1.9 drop) ~250lb/in / rear: ~200lb/in
H&R Race 51655-88 (1.5/1.4 drop) ~300lb/in / rear: ~275lb/in
BMR Lowering SP009 (1.5" drop) 165 lb. - Front, 160 lb. - Rear
BMR Handling SP065 (1.5" drop) 240 lb/in front (linear), 200 lb/in rear (dual-rate)
BMR Handling SP072 (1.5" drop w/GT500)(~0.5"F/~1"R on GT) 260 lb/in front (linear), 220 lb/in rear (dual-rate)
SR Performance (1.5" drop) Front: 230 lb/in. Rear: 200 lb/in.
Pedders SportsRyder 1" lowering F: 200.8 lb/in R: 186.2 lb/in
FRONT S197 Bars:
34.6mm GT/Boss/LS .................. 436 lbs/in
34mm '05-'10GT/GT500/'11 V6 ... 385 lbs/in
33.2mm '12+ V6
28.6mm 2010 V6
Ford 35mm 'Blue' bar M-5490-AF (Part of M-5490-A kit)
Eibach 36mm: 340, 400, 450 lbs/in
BMR-SB022 35mm: 441, 506, 587 lbs/in
BMR-SB041 38mm: 706, 788, 886, 1002, 1144 lbs/in
Strano Performance 35mm hollow: 472, 547, 642 lbs/in
REAR S197 Bars:
Ford 13mm Solid (Boss 302S):............ 18 lbs/in
Ford 18mm Solid (Convertible):........... 55 lbs/in
Ford 20mm Solid (2005-2010 GT):....... 96 lbs/in
Ford 22mm Solid (2011+ V-6):........... 147 lbs/in
Ford 23mm Solid
Ford 24mm Solid (2011+ 5.0, GT500): 193 lbs/in
Ford 25mm Solid (Boss 302):............. 250 lbs/in
Ford 26mm Solid (Laguna Seca):........ 275 lbs/in
Ford 22mm 'Blue' bar M-5490-AR (Part of M-5490-A kit)
Eibach 25mm: 130, 145, 175 lbs/in
Strano Performance Parts 8419 1" tubular: 162, 185, 225 lbs/in
BMR-SB023: 146 lbs/in
BMR-SB042 25mm: 224, 259, 302, 356 lbs/in
Whiteline 27mm 'calculated' from stated increase over 24mm?GT bar: 266, 309, 357, 411 lbs/in
Been meaning to do this for a while now...
Please post any additions and corrections, I'll get to updating and reformatting as info gets added.
OEM:
Boss 302 ................... 148F/186R lbs/in
Boss 302 Laguna Seca 137F/191R lbs/in
Brembo GT/ GTPP ...... 131F/167R lbs/in
GT and V6PP............... 123F/156R lbs/in
P Springs (1" drop) 230-260/202 (est - may be same as published K below)
K Springs (1.5" drop) M-5300-KA Front: 228 lb/in. Rear: 199.5 lb/in.
T Springs (0.6/1.4" drop Boss reference) M-5300-T Front: ??? Rear: 199.5 lb/in. (uses K spring rear)
GT500 -
Aftermarket:
Steeda Ultra Lites 555-8206 (1.25/1.5" drop) - 195lb front, 175lb rear
Steeda Sport Springs 555-8215 (1.0/1.25" drop) - 200lb front, 175lb rear
Steeda Comp Springs Boss 302 555-8245 (0.2"/0.8" drop-Boss reference) - 225lb front, 195lb rear
Eibach sportline 4.12535 (1.6"/2") Front: 183 lb/in. Rear: 103-217 lb/in.
Eibach Pro kit GT/Boss 35125.140 (1.0/1.5" drop)
Eibach Pro kit 35101.140 '05-10GT/'10V6 Front: 171-228 lb/in. Rear: 180 lb/in.
MM R&T Lowering Coupe 435H0 (1.9/2" drop) 320-360F / 260-380R ('vert same rates)
H&R Super Sport 51655-77 (1.7/1.9 drop) ~250lb/in / rear: ~200lb/in
H&R Race 51655-88 (1.5/1.4 drop) ~300lb/in / rear: ~275lb/in
BMR Lowering SP009 (1.5" drop) 165 lb. - Front, 160 lb. - Rear
BMR Handling SP065 (1.5" drop) 240 lb/in front (linear), 200 lb/in rear (dual-rate)
BMR Handling SP072 (1.5" drop w/GT500)(~0.5"F/~1"R on GT) 260 lb/in front (linear), 220 lb/in rear (dual-rate)
SR Performance (1.5" drop) Front: 230 lb/in. Rear: 200 lb/in.
Pedders SportsRyder 1" lowering F: 200.8 lb/in R: 186.2 lb/in
FRONT S197 Bars:
34.6mm GT/Boss/LS .................. 436 lbs/in
34mm '05-'10GT/GT500/'11 V6 ... 385 lbs/in
33.2mm '12+ V6
28.6mm 2010 V6
Ford 35mm 'Blue' bar M-5490-AF (Part of M-5490-A kit)
Eibach 36mm: 340, 400, 450 lbs/in
BMR-SB022 35mm: 441, 506, 587 lbs/in
BMR-SB041 38mm: 706, 788, 886, 1002, 1144 lbs/in
Strano Performance 35mm hollow: 472, 547, 642 lbs/in
REAR S197 Bars:
Ford 13mm Solid (Boss 302S):............ 18 lbs/in
Ford 18mm Solid (Convertible):........... 55 lbs/in
Ford 20mm Solid (2005-2010 GT):....... 96 lbs/in
Ford 22mm Solid (2011+ V-6):........... 147 lbs/in
Ford 23mm Solid
Ford 24mm Solid (2011+ 5.0, GT500): 193 lbs/in
Ford 25mm Solid (Boss 302):............. 250 lbs/in
Ford 26mm Solid (Laguna Seca):........ 275 lbs/in
Ford 22mm 'Blue' bar M-5490-AR (Part of M-5490-A kit)
Eibach 25mm: 130, 145, 175 lbs/in
Strano Performance Parts 8419 1" tubular: 162, 185, 225 lbs/in
BMR-SB023: 146 lbs/in
BMR-SB042 25mm: 224, 259, 302, 356 lbs/in
Whiteline 27mm 'calculated' from stated increase over 24mm?GT bar: 266, 309, 357, 411 lbs/in
Been meaning to do this for a while now...
Please post any additions and corrections, I'll get to updating and reformatting as info gets added.
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