G9RGE Posted March 15, 2015 Share Posted March 15, 2015 I have an NA manual that currently has an open diff. I want to fit a limited slip diff but would like to either drop a 1jz, or turbo it next year and don't want to have to replace the diff again. So my question is... If I fit an A01b off of an sz-r would it take the power (around 400bhp) and I'm guessing it's an easy swap ( just the diff) or do I go for the A02b as its designed to take more power, but I'm unsure of what effect the different ratios would have mated to the w58 and also what would I need to change when fitting it ( prop? Drive shafts) thanks Quote Link to comment Share on other sites More sharing options...
David P Posted March 15, 2015 Share Posted March 15, 2015 (edited) Stick with the 4.083 N/A ratio which with 18" wheels and 40 profile tyres, equals as near as dammit, T.T. diff ratio, which is what you will need with a 1JZ or N/A-T. Small case N/A diffs will manage same power as small case T.T. diffs. Edited March 16, 2015 by David P (see edit history) Quote Link to comment Share on other sites More sharing options...
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