speedometer gear

[BCB]

does anybody know what gear i need to get for my speedometer to read right with a dually running 4.10's and 35's? and where to get it?

__________________
97 3500 12v 4x4 4.10's 10 plate leveling kit, 315/75/16 7" miters, SBC con FE
R.I.P. 97 2500 12v CTD, 4X4, NV5600, 4.10's, SBC DD,HX40/S400 Twins, 5'' stacks,Custom ground 100 plate, Laser cut DV's, 3400 gsk washer mod, Kdp RIP 6/21/06,$:

[BCB]

anyone?

making this post longer

__________________
97 3500 12v 4x4 4.10's 10 plate leveling kit, 315/75/16 7" miters, SBC con FE
R.I.P. 97 2500 12v CTD, 4X4, NV5600, 4.10's, SBC DD,HX40/S400 Twins, 5'' stacks,Custom ground 100 plate, Laser cut DV's, 3400 gsk washer mod, Kdp RIP 6/21/06,$:

[Racer9]

There is a mathamatical equation to figure it out. The tire dealer should be able to do it.

__________________

'96 CTD, 4X4 flatbed, Isspro gauges, Skyjacker D-25's, ThurenFab track bar, lockRite.

Motor; BHAF, #100 fuel plate, Shimmed gov springs, Loose starwheel.

Exhaust; 16cm housing, 4" downpipe, 5" turnout stacks.

Trans; Dunrite VB/TC, Intelligent Engineering billet input shaft, Burt Brown rebuild/upgrade.

[lance0730]

Originally Posted by Racer9

There is a mathamatical equation to figure it out. The tire dealer should be able to do it.

Agreed. BIGO tells me when im doing 58mph, im really doing 65mph

__________________
96 2500 GONE! New 1996 3500: Full billet DTT, pac brake, #10,timing,AFC spring kit,3GSK,5X12s,58/14 Hybrid, lockup controller,3 piece, 105,000MI