Onecleandatsun Posted February 7, 2013 Report Share Posted February 7, 2013 I have a 74 620 with 5 speed swap. I would like too if anyone knows wat trans fit on it also has l20b swap too. Reason for changing is cuz it's slipping and making noises. If any knows anything let mr know pls thanks Quote Link to comment
kelowg Posted February 7, 2013 Report Share Posted February 7, 2013 Search button or at least, more details. Not sure what ur asking. Quote Link to comment
datzenmike Posted February 7, 2013 Report Share Posted February 7, 2013 Slipping will be the clutch. Noise? Have you checked the gear oil level??? Quote Link to comment
Onecleandatsun Posted February 7, 2013 Author Report Share Posted February 7, 2013 I just bought this truck the guy that had it before me did not know how to work on cars. The trans did not have gear oil so I added some. I would like to know from wat year r trans compatable with my truck since it has a 5 speed I don't wat want to down grade. Quote Link to comment
datzenmike Posted February 8, 2013 Report Share Posted February 8, 2013 '77-'79 620 truck '80 720 2wd '77-'78 280z '79-'83 280zx (non turbo) '78-'84 810/Maxima These will all drop into your '74. There are three gear sets... wide, mid and close ratio. Some of the 280zx 5 speeds have a monster over drive 5th gear. Better get a clutch and change it while the transmission is out. Quote Link to comment
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