If you are just taking teh 3rd member off of it, then there is no difference. Esp on teh back, sicne there's no hub there <img src="/forums/images/graemlins/cheers.gif" alt="" />
Oh and don't be ashamed of not knowing what yer doing - best way to learn is to F*&^ it up and have to fix it yerself, hahaha.
I've been in college too...

With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah