Gearbox - Up-rating diffs and FDs
There’s a good selection of straight-cut final FDs available. Examine the FD table, and using information from
'Gearbox - Final dives, standard' and 'Gearbox - Formulae for car speed, etc.'
you can assess which would best suit your usage. Bear in mind that they’re noisy, make sure you select one that’ll fit your diff unit, and also consider that using drop gears will allow fine-tuning of the ratio where necessary. See
'Gearbox - Up-rating drop gears'
Gearbox - Up-rating diffs, FDs and ancillaries.
part numbers: C-BTA166, C-BTA167, DAM6624, BTA101, 2A7062, DAM5071, DAM6027, RPS1418, C-AJJ3385, C-22A1731, C-2...