CORVETTE ZR1:
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GM uses unequal-diameter half-shafts in the rear - 40mm on the left, and only 33mm on the right. Although the manufacturer has not explicitly stated why it does this, it's very likely that the left shaft experiences larger torque loads during hard acceleration. Making both shafts the same diameter would result in increased weight, and the Corvette team fights for every pound.
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http://www.autoblog.com/2008/01/14/d...assis-display/
GM won't explain, but autoblog thinks, and it sounds reasonable, that it is done for weight savings alone.
The physics of unequal LENGTH half-shafts on a Front wheel drive car, to prevent or diminish torque steer, should not be confused with issues and remedies for axle hop on a SRA or IRS vehicle.
EDIT: I believe they want the half shafts EQUAL LENGTH on FWD cars to lower torque steer.
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Last edited by camaro5; 11-22-2008 at 09:49 PM.
Reason: more info
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