MIne was done at Cleveland custom clutch and joint here in...Cleveland. I asked them about a one piece unit. He suggested for the speeds the car saw (170+) that the driveshaft be 4 inch round. I did not have enough space for that. He also mentioned that since the car was not designed to have a one piece in it, that I should get a light wieght shaft as the bearing in the tranfer case was not designed to hold up that much weight.
Mine is whatever the stock sized shaft back about 2.5 feet then to a large carrier bearing. It then comes out 3 inch and goes to the rear end. I have had the car to 173 without issue.
I did break a U-joint that the driveshaft shop installed. They told me it was a nice spicer joint and should be strong. I broke it withing a montyh or so of having the car out. I talked to Shep about it and he said those joints are JUNK and to use a mitsu one. He said I would not break a mitsu one and guess what...I guess he knows a thing or two as I never broke one again.
My shaft was just under 600$
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89 Colt GT, T4 T61, 2.0L, .
http://videos.streetfire.net/search/...3300fc1b2f.htm
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87 Conquest TSi, Coilover, huge sways
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91 Suzuki Samurai (Rock Crawler)