Myself rebuilding and inspecting as nessescary Upgraded S4c 4.4 FD LSD gear box
good upgrade from the silly long ratiod s9b stock box
Stripped down main and counter shaft rebuilt,few new bearings,crownwheel removed from diff,Ready for Torsen 1.5 OEM LSD
every thing inspected,54k on new s4c
64k on my own s9b
Upgrade fidanza 3.4 kg(stock 9kg)lightened and balanced,
xtr stage 1 jdm connect clutch kit and MTF,pressure plate,friction plate,sprigot and release bearing and alightment tool,instructions for all etc
Upgrade from 4.266 s9b to S4c with LSD to 4.400 FD
just need time to drop my old box out now and install all
2nd 3rd 4th gear all upgraded shorter ratios plus shorter Final drive 4.266 to 4.400
s4c ---------- s9b
1st-3.230 1st-3.230
2nd-2.105 2nd-1.900
3rd-1.458 3rd-1.360
4th 1.107 4th 1.034
5th 0.848 5th 0.848
FD 4.400 FD 4.266
9% increase in acceration/Power according to M-Factory calculater,
from gearbox change only not to mention every other mod
updated soon/.............
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