A few questions about 87 R10
well some of you know that 87 was the first year of the TBI in a c10 and so they called it a R10. I have a few questons. The truck came with a TH400 but I am leaning on installing a 200r4 transmission for the over drive. No I am not going to do a 700R4 since I will need to modify my frame [new frame built] . the 200r4 Mounts the same as the TH400. The only problem is it seems to be a bit shorter. Does any one know the allowable length of a one piece drive saft before having to add a split drive shift? Also does anyone know the actuallength of the Th400 in this truck. I see the tail is fairly long, but can't find anything online with the longer tail length.
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