09-19-2012, 08:25 AM
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#11 (permalink)
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A True Z Fanatic
Join Date: Jun 2010
Location: Long Island
Posts: 5,059
Drives: slowwww
Rep Power: 30
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Quote:
Originally Posted by Thorazine_IM
i own a 2013 base model and obviously dont have VLSD istalled. can someone explain the difference betweem baseline model differentials versus sport package diff (VLSD)? any performance benefit out of the VLSD?
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The base model diff is an open diffrential, so under heavy load like a launch from 0, you end up spinning only one wheel. The power is basically sent to the path of least resistance. If you've ever seen an off road truck with one wheel off the ground spinning, but the other one stationary, it's because the diff isn't "locked". A limited slip diff locks both rear wheels to which allows for torque to transfer to both wheels. The VLSD is a locking diff but uses silicone based oil instead of a true mechanical LSD that uses gears/clutches. The problem with the VLSD is that once the oil overheats, it is no longer effective and you essentially have an open diff until it cools down. It's fine for most uses, but the mechanical or true LSD is the better option. There is actually a slight advantage to the base model if you ever want to install an LSD like the one from Quaife since you don't need to buy additional stubs shafts.
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