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The slave cylinder is the same for all year CTD trucks. The only difference is the push rod length. A getrag and a NV4500 to around 2002 use a push rod that is 5.5" long. The NV5600 and G56's use a 6.5" push rod.
The getrag and NV4500 use the same length plastic line. the NV5600 and G56 use a longer line due to different slave cylinder mounting configuration.
Master cylinders all have the same bore size. The only difference is the rod from the pedal to M/C. A 1st gen uses a push rod that is 1.375" shorter than the 2nd gen and later M/C. The bore size is the same on all M/C's.
Now for the supposed upgrade Hydr's you mentioned. The slave cylinder has the same bore size and casting number as the slave used on a 1st gen. HHHMMM no upgrade there.
The master cylinder has the same bore size and length. The push rod is longer for the different mount the 2nd gen+ use. But the M/C still has the quarter turn twist to mount into the bracket. Thats the same as all CTD's use. HHHMMM still haven't found anything upgraded yet.
The flex line and adjustable push rod are about the only thing you could call an upgrade.
2014/93 W350 DRW, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, Super HX40/16, G56 SBC Con-OFE, 3:07's axles, 2" skyjacker lift, air ride rear suspension,B&W flatbed
Last edited by Philip; 11-19-2010 at 01:00 AM.