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Old 09-27-2021, 08:39 PM   #1
cornerstone
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Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,249
C50 5 speed?

I've recently transformed a 1968 C50 grain truck into a dump truck and plan on driving the behemoth on the highways fairly regularly. It still has all of its original equipment, a 327 with a 4 speed manual and a split rear differential. 58 mph is all she's got. (downhill with a tailwind) Every time I run through the gears I wish there was one more gear to grab. My thoughts are to swap out the 4 speed gearbox with a 5.

Has anyone done this? Am I asking for something I'll regret? Any help or advice appreciated!
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Brian


1972 C10, "Loyd", LWB to SWB, 5.3, L83/6L80e, 4:11 Tru Trac, Air Ride, VA, DD, 20" Coys, 4 wheel disc, A quick LS swap turned into a 6 year frame off resto-mod.
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