And for an overview, don't forget

http://datsun1200.com/modules/mediawiki/index.php?title=R160_Swap

While searching for info regarding my IRS setup I found this, maybe it could be useful to someone.

SUBARU/DATSUN R160 ( & 180) DIFFERENTIAL INFO SITES
R160
http://www.zparts.com/literature/ddsgcd/contents.htm

http://pages.prodigy.net/mikeross/00019.htm

http://www.gordon-glasgow.org/lsd1.asp

http://www.imprezawrx.org/faqs/diff.html

http://www.gt6.com/triumph/issue5/article.asp

http://home.att.net/~jason510/tranny_ratios.htm

http://www.bryanf.com/forsale.htm

http://www.badmonkeyracing.com/differen.htm

http://dimequarterly.tierranet.com/pictures/benpila_sedan.html

http://www.datsuns.com/design.htm

http://members.optushome.com.au/amaxeng/five10/diff.htm

http://www.z-car.com/240zdiff.htm

http://cars.spancity.com/Reference/Differentials/

http://dimequarterly.tierranet.com/articles/readers_dime_2_3.html

http://www.bryanf.com/mycars/black510.htm

http://www.datsuns.com/cars/1yr510report.htm

http://www.spdusa.com/limited.htm

http://www.prestige-motorsports.com/drivetrain.html

http://www.zparts.com/literature/ddsg ... Application%20Chart_s.htm

http://nismoparts.safeshopper.com/16/cat16.htm?837

http://www.mrtrally.com.au/performance/mrt_sti.htm

http://solstice.crest.org/ev-list-archive/msg28090.html

http://www.vg30.com/alt/510vg30install_alt.html

http://www.nexcent.net/datnet.org/new/featurecars/001/index.shtml

R180
http://www.zhome.com/rnt/FordPower/DiffChange.html

http://www.zhome.com/ZCMnL/tech/R200.htm

http://www.zbarn.com/70to78/used_steering.htm

http://www.quaifeamerica.com/differentials/diff_apps.htm

http://www.gprparts.com/quaife/price.html

http://www.autotech.com/quaifeapps.htm

http://www.biopatent.com/l28.html

http://www.zparts.com/zptech.html

http://www.mame.mu.oz.au/salman/zrearend.html

http://www.gfs1.com/racing/articles/rearend.html

http://www.courtesyparts.com/secondtier_nissan-motorsports.html

http://www.mrtrally.com.au/performance/gearsets2.htm

http://www.geocities.com/zgarage2001/engine.html

http://www.gordon-glasgow.org/lsdtech.html

http://www.courtesyparts.com/s30_motorsports.html

http://www.grmotorsports.com/boneyard.html

http://www.bryanf.com/mycars/510L28.htm

http://www.zcarparts.com/faq.htm

http://www.off-road.com/nissan/ref03.html

http://zccw.org/Tech/General/11-96ShortHist.html

http://nismoparts.safeshopper.com/35/cat35.htm?837

http://63.203.203.164/featuredz-artc/featuredz2.asp

http://www.zonc.org/Tech_Link/RogersTrannySwap/

http://www.users.qwest.net/~ljzman/280.html

http://www.nexcent.net/datnet.org/new/featurecars/006/index.shtml

http://datsuntrucktech.homestead.com/axles.html

http://datsuntrucktech.homestead.com/early7204x4.html

http://nismoparts.safeshopper.com/148/cat148.htm?837
R200
http://www.zparts.com/zptech/izccposts.html

http://www.bryanf.com/cars/jeff.htm

http://www.courtesyparts.com/nismo/z31/

http://www.davecompton.com/Q45/forumtoc.htm

http://www.sweetspotproductions.com/psanders/Z-old.html

http://www.zcar.com/links/?ID=129

http://nismoparts.safeshopper.com/14/cat14.htm?837