Darrellll Posted July 24 Share Posted July 24 I am contemplating the acquisition of a limited-slip differential and need your advice: Should I purchase a pre-owned unit or go for a new one? A pre-owned item is likely to be somewhat worn and maybe less expensive. Require a reconstruction? A new unit will be acquired, requiring startup costs but no reconstruction. I am capable of doing all the necessary labor to install the physical device, plus I know an individual who can provide shimming services for a fee. I own a 323i Touring, equipped with a late ZF transmission (presumably) and a medium case (again, presumably), with a 2.93 gear ratio to the best of my knowledge. I am also contemplating a little increase in ratio. Thus, whether new or pre-owned. I presently have around $1,000 in my budget. Thank you, everyone. Quote Link to comment Share on other sites More sharing options...
keithmerc220 Posted July 24 Share Posted July 24 I would get a new one, since the pre-owned options are never inexpensive and difficult to locate. Quote Link to comment Share on other sites More sharing options...
QuirkEinstein Posted July 24 Share Posted July 24 I understand it would be costly, but "birds"? Quote Link to comment Share on other sites More sharing options...
Darrellll Posted July 24 Author Share Posted July 24 I will examine the birds soon. There are less costly torsion or helical differentials that I presume would suffice for my requirements compared to a pricier clutch type. I have also seen several little packages that can be accommodated inside a standard differential. I am now contemplating one of those options; however, more investigation is necessary since it seems quite subpar. Quote Link to comment Share on other sites More sharing options...
guyskin Posted July 24 Share Posted July 24 The component you secure in a typical differential is subpar. Examine Blackline; their products are of high quality and reasonably priced. I have installed several units. Quote Link to comment Share on other sites More sharing options...
Darrellll Posted July 24 Author Share Posted July 24 Thank you; I shall examine them. I believe I have encountered them before, to be honest. Quote Link to comment Share on other sites More sharing options...
guyskin Posted July 24 Share Posted July 24 The first unit I received was disassembled before to installation, and I found no defects whatsoever. Quote Link to comment Share on other sites More sharing options...
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