Rick Posted September 25, 2003 Share #1 Posted September 25, 2003 I have owned my 71 240Z now for 18months and probably done about 10 race events consisting of 1 km sprints on street circuits, 20 km sprints on race tracks and various hill climbs.The cars suspension was set up to try and cater for all types of on road conditions and has proved to be very good.The engine is basically standard with mild cam, extractors, electronic distributor and N42 head giving 134BHP on the Dyno at the rear wheels. Wheels are 16" x 7" with 205 x 50 series Falken ZE 326 tyres. Doing the 1km sprints I have had difficulties with the huge gap between 2nd and 3rd gear and was 1 - 2 secs slower than other guys in my class. Investigation showed that my 240Z was originally an automatic with a 3.5 to 1 diff.The guys at the local Z Club advised me to source a higher ratio.I recently sourced a 4.6 to 1 front diff from a Nissan 720 4 wheel drive ute. The problem I have is that the flanged drive shafts into the diff are different to the standard flanges on the diff in my 240Z. I took off the back cover on the new diff to see how these flanges come off but cannot work out how you remove them.Does anybody out there know how I can remove them to replace with my existing type flange assembly? Link to comment Share on other sites More sharing options...
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