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richardch



Member Since: 23 Nov 2018
Location: Zurich
Posts: 21

Switzerland 
RRS L494 SDV8 Gearbox Weak ?

So thinking of buying and remap tuning a L494 SDV8 but Alive are advising that more torque could blowup the gearbox, any thoughts welcome pls ?

Post #571498 Sat Dec 22 2018 8:15am
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8800

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

The gearbox isn't "weak" as it's capable of handling the standard 700Nm / 516lbft put out by the engine. That is the same as the SVR puts out, after all.

Alive are being honest and upfront - adding torque will stress the gearbox as it's rated to 700Nm (plus whatever safety factor ZF build in).

Presumably you could make a clever map that just boosted the torque to 700Nm in those bits of the rev range not already there. But as it makes 700Nm from 1750 - 3500rpm, there's not much scope to do so.

If you want faster than a SDV8, buy a 5.0SC. Thumbs Up 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #571501 Sat Dec 22 2018 8:44am
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