bmxican Posted September 16, 2012 Share Posted September 16, 2012 Hey there fellow old schoolers, I have recently purchased a 1981 Sigma wagon with a sohc 4g63 used to be a 1600 and have a couple of questions. Is there any disc brake rear ends that are easily adaptable or go straight on, would also like to know if there is a ten bolt lsd diff option. Or would i have a smaller diff being a 1600 and all. Another option is, is it possible to adapt disc brakes to the drum rear end? It has a one piece Drive shaft yay for no chronic vibrations. Must make a build thread when there is nothing on tv.... Last question is is there a power steering rack that will fit in? Cheers Quote Link to comment Share on other sites More sharing options...
OSM Garage Posted September 16, 2012 Share Posted September 16, 2012 Hey mate To my knowledge there isnt a direct bolt in disc rear option. Your best bet would be to source a 10 bolt diff from a GSR Lancer and have the mounts off your diff put onto the 10 bolt. Depending on what diff is actually in your car you could use these - http://www.trademe.co.nz/motors/car-par ... 393013.htm There are a few options of 10 bolt diff heads including LSD. These came out in the GSR Lancer and some L200s. SE and GSR Sigmas came out with powersteering (box not rack) Im yet to see if it fits in the wagon. I dont see why it wont. If you do manage to find a sedan with powersteering dont forget to collect the steering column. Keen to see a build thread! Quote Link to comment Share on other sites More sharing options...
fuel Posted September 16, 2012 Share Posted September 16, 2012 aussie Sigmas of that era had disc brakes (with a borg warner diff), otherwise I believe the diesel turbo jap import Sigma had a disc brake solid axle diff too (is what tank used to have in his EX Lancer). Quote Link to comment Share on other sites More sharing options...
Ogre Posted September 17, 2012 Share Posted September 17, 2012 Would there even be any benefit to going disc rear? Im guessing they are pretty light in the rear anyway...? Quote Link to comment Share on other sites More sharing options...
bmxican Posted September 17, 2012 Author Share Posted September 17, 2012 Really light in the rear, previous owner has done skids everywhere and now the poor wagon has a bent drive shaft so i was hoping i could get a stronger rear end and some sort of bigger brakes or discs as i want to 4g63t it. So an lsd would be mint. It also has this noise coming from the rear end of the car that sounds like a rumble as you drive along not a wine like a diff but a rumble, could this be the bent drive shaft? Quote Link to comment Share on other sites More sharing options...
will i am Posted September 18, 2012 Share Posted September 18, 2012 is the noise worse when cornering? most likely wheel bearing gone check universal joints. if the dent is decent in the driveshaft, u may get vibrations coming threw from the rear end Quote Link to comment Share on other sites More sharing options...
bmxican Posted September 29, 2012 Author Share Posted September 29, 2012 It actually sounds like a flat tire.. It's a left rear drive shaft (half shaft?) not the main one. Quote Link to comment Share on other sites More sharing options...
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