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R200 swap or OS Giken R180 upgrade?


dwarlick

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I got my RB26 in my '71 Series 1 and running strong but I have a rearend question. The RB is making my poor old R180 weep and its going to explode any day. I have an R200 out of a junker 2+2 and I was just going to swap it out. However, I just bought a 2l surge tank and installed it in between the mustache bar and the fuel tank. Now I know I have to move the R200 diff back and I don't want to have to relocate the surge tank if possible. So I was thinking about swapping the OS Giken internals into my R180. What do you think? Would I still have to scoot the R180 back a little because of the half shaft allignment issues? Would the R200 be better?

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The R180 with any kind of racing diff in it (Nissan Comp 4 pinion CLSD, Quaife, OS Giken, OBX) is good for no more then 300 ft. lbs. of torque. It sounds like you need to install the R200 and move the surge tank somewhere else.

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