mikesv8z Posted February 19, 2009 Share Posted February 19, 2009 I need to know what year r 200's started using 12 mm bolts to hold the ring gear in place. My 75 has 8mm and i need to get one to put my posi carrier in help please:sad: Quote Link to comment Share on other sites More sharing options...
2126 Posted February 20, 2009 Share Posted February 20, 2009 What has been done successfully is to either fabricate spacers to eliminate the extra tolerance when using 10mm in a carrier designed for 12mm bolts. I may be wrong but, I think your 8mm bolts are actually 10mm. When I installed my Precision Gear LSD unit, I encountered the same question you have asked! Precision Gear's advise was to fab spacers or not. If no spacers are to be used, besure to rotate the ring-gear in the direction it would naturally take when loaded. Be sure to use lok-tite and the proper torque on the ring-gear bolts. There is a write up on this subject in the archives....just search. Tom Quote Link to comment Share on other sites More sharing options...
JMortensen Posted February 20, 2009 Share Posted February 20, 2009 cygnusX1 just posted a mcmaster.com part number for drop in spacers in the OBX sticky thread. The gear bolt size changed about 86 if I recall correctly. Quote Link to comment Share on other sites More sharing options...
mikesv8z Posted February 20, 2009 Author Share Posted February 20, 2009 tom I have the same precision gear posi did you install yours in a early model r200 diff ? Quote Link to comment Share on other sites More sharing options...
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