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Old 22-06-2015, 09:32 PM   #1
TfR Spiny Anteater
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Renault Megane RS265

This has probably been the toughest one I've had to tune to date, certainly I went down a couple of blind alleys before I ended up with this tune. As with any reasonably powerful front-wheel drive car, you will need to exercise an element of throttle control or it will spin up the front wheels and understeer, but in general this has a good turn of pace and is well behaved with only gradual lift-off oversteer if you treat it roughly.

Renault Megane RS265

Tyres & Brakes
Tyre Compound: Automatic by Weather (but use the Track if you know it will be dry)
Front Tyre Pressure: 2.20 Bar
Rear Tyre Pressure: 1.84 Bar
Brake Pressure: 98%
Brake Balance: 65%

Alignment
Steering Ratio: 15.7:1
Front Camber: -2.0 deg
Rear Camber: -1.5 deg
Front & Rear Toe-in: 0.0 deg

Suspension
Front Spring Rate: 73 N/mm
Rear Spring Rate: 40 N/mm
Front Sway Bar: 85 N/mm
Rear Sway Bar: 50 N/mm

Dampers
Front Slow Bump: 4200 N/m/s
Rear Slow Bump: 3500 N/m/s
Front Fast Bump: 1600 N/m/s
Rear Fast Bump: 1320 N/m/s
Front Slow Rebound: 8100 N/m/s
Rear Slow Rebound: 5900 N/m/s
Front Fast Rebound: 1400 N/m/s
Rear Fast Rebound: 1850 N/m/s

Differential
Accel Lock: 40%
Decel Lock: 50%

Gearing
{Stock}
1st: 3.07
2nd: 1.94
3rd: 1.38
4th: 1.02
5th: 0.81
6th: 0.67

Engine
Fuel Load: 28l (Adjust to suit)
Qualifying Fuel: 20l (Adjust to suit)

I've tuned this with no assists so it should be good to go with or without them. As always, any feedback is welcome.
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Old 10-09-2015, 10:04 PM   #2
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While other people are trying out FM6, I've spent the last couple of nights revisiting the Megane. Don't know if there have been changes to the Megane in one of the patches (I suspect there have been as the bump stops couldn't be adjusted before), or it was being covered up by the assists, but returning to the tune in the post above suggested it left a bit to be desired.

So, after quite a bit of work, I've ended up with this. Still spins up the front wheels if you're not careful, but a lot less snap oversteer now and generally quite controllable. I just wish it wasn't so slow in a straight line - get's mullahed by everything else in it's career race down the straights which makes even a class win very difficult Changes are in bold.

Renault Megane RS265

Tyres & Brakes
Tyre Compound: Automatic by Weather - be warned that the soft compound is very bitey when cold if you choose to use this
Front Tyre Pressure: 2.20 Bar
Rear Tyre Pressure: 1.70 Bar
Brake Pressure: 92%
Brake Balance: 69%
Traction Control Slip: 15%

Alignment
Steering Ratio: 15.7:1
Front Camber: -2.0 deg
Rear Camber: -1.5 deg
Front Toe-in: +0.3 deg
Rear Toe-in: 0.0 deg

Suspension
Front Spring Rate: 68 N/mm
Rear Spring Rate: 40 N/mm
Front Sway Bar: 85 N/mm
Rear Sway Bar: 40 N/mm

Dampers
All Bump Stops: 20mm
Front Slow Bump: 4800 N/m/s
Rear Slow Bump: 3500 N/m/s
Front Fast Bump: 1800 N/m/s
Rear Fast Bump: 1220 N/m/s
Front Slow Rebound: 8100 N/m/s
Rear Slow Rebound: 5300 N/m/s
Front Fast Rebound: 1500 N/m/s
Rear Fast Rebound: 1750 N/m/s

Differential
Accel Lock: 35%
Decel Lock: 50%

Gearing
{Stock}
1st: 3.07
2nd: 1.94
3rd: 1.38
4th: 1.02
5th: 0.81
6th: 0.67

Engine
Fuel Load: 17l
Qualifying Fuel: 15l
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