Boobala Posted July 26, 2002 Share Posted July 26, 2002 What would be the optimum Rear end ratio for the following configurations: 200hp NA L28 / 280Z 5-Speed 300hp L28 Turbo / 5-Speed 350hp LS1 / T556. The car would mostly be used as daily driver / street terrorizer. Note: I have a Z-Car 5-speed, but I have no idea which one. Quote Link to comment Share on other sites More sharing options...
1 tuff z Posted July 26, 2002 Share Posted July 26, 2002 maybe this link will help... http://home.att.net/~jason510/tranny_ratios.htm Quote Link to comment Share on other sites More sharing options...
Mike C Posted July 26, 2002 Share Posted July 26, 2002 For the NA 2.8 I'd go 3.90 with the late 5 speed (more OD) for the turbo, 3.54 to make boost. The 3.54 should be OK for the LS1 6 speed combo as well. You might want 3.36, but they are rare (r200, common r180) and expensive. Higher numeric gears make wheelspin easier, but they also make it easier to modulate the wheelspin. Quote Link to comment Share on other sites More sharing options...
boholio Posted July 30, 2002 Share Posted July 30, 2002 What do you think about the 4.375 offered by Arizona Z Car with pretty much the same senarios as above? Quote Link to comment Share on other sites More sharing options...
Mike C Posted July 31, 2002 Share Posted July 31, 2002 I think it is too much gear unless you have a track only car that will pull 7800 rpm. Quote Link to comment Share on other sites More sharing options...
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