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fredmeister fredmeister is offline
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Join Date: Oct 2002
Location: Baltimore, MD, USA
Posts: 2,229
rear diff ratos for 930 4 speed

What are the different rear axel diff ratios available for the 4 speed 930 gearbox?
I have the stock ring and pinion of 9/38 or 4.22 to 1.
I am interested in getting more response and acceleration form the engine with the least amount of expense. This would mean a diff change but I am not sure what is available in terms of gearing that would be lower than 9/38 gears.

Anyone know what else is out there?

1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, B&B intercooler, Snow Perf water/meth injection, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.7bar max
---"When you're racing it's life! Anything else either before or after, is just waiting"
Old 11-09-2007, 12:48 PM
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