Spokerider wrote:
Thanks for your thots.
The 410 case "looks" smaller to my eye. I guess it's the case shape that makes it look smaller.
About the 410 cases......the pre 85 year lacked the 4wd switch, and only the 85 has the 4wd switch, correct? Other than this difference, are there any other differences between the early 83, 84 cases vs the 85? I have one of each...…..
What you call an '85 410 case (with switch) is identical to 1.3l Samurai transfer case in virtually all aspects except for the ratios. It continued to be used elsewhere in later year in the Widetrack Sierra (aka SJ413) with the only changes being removing the handbrake and changing the flange yoke bolt pattern.The two different sets of ratios in this case could be mixed and matched to create the first set of low range gears , called the Rocklobster at the time, that eventually led to the aftermarket development of a wider range of alternate ratios.
The earlier 1.0lt case, without a 4wd switch, is physically the same size as the later case and mounts up interchangably, but has a few differences. The flange bolt patterns are different to the NT or WT versions of the later cases, and the spline counts are smaller, so you cannot swap the flanges or handbrakes between early to late cases. The non-switch transfer also came in two different ratios, but the particular tooth count of the gears inside meant that it was not possible to mix them to create a hyper-low gear set like the later cases.
If you want to lower your revs on-road with your diesel conversion, you might be good with a stock 1.3 Samurai transfer with it's higher ratio in high Range. Low range will be poor compared to the 4.9 set you're used to, though!