Saturday, December 24, 2011
Evo IX Returns from the Shop
Finally a pair of used wheel hub bearing were replaced and the noise problem solved. There is no more draggy feeling and the car feels absolutely right. I also fitted the Acre 800C brake pad to improve bite as well as stopping power. I also rotate the tires front and wear, but it does not solve the problem of the aging Yokohama AD08. Even it was made in 2009 it has lost its stickiness all together and the surface feel hard. And the traction is so so. I am looking to spend more money on tires, BS RE11 preferably.
Thursday, December 22, 2011
Evo IX GSR After the First Week
I found a few things about the GSR, although not something new.
Back to the 'few things'. First of all, the car is draggy to drive and has a lot of friction throughout the drivetrain, which is completely opposite to Corolla (almost frictionless). Second the 4G63 engine feels powerful and responsive but also slightly blocked by catalytic convertor. Third, there are three parts to the handling. The front will grip as much as it physically can. And when the front starts to slip, the rear with the help of AYC will immediate slide proportionally in order to counter-balance the understeering. This is indeed very effective for almost all kinds of corners, especially the tighter one. However all the magic is gone if one lifts off the throttle, as then one needs to catch the sliding tail. So the best thing to do is to keep the throttle pressed and let the system does its job.
But before telling about them, I would like to record the things I have done so far.
1) Replace a Bosch car battery (swapping a newer one from Corolla)
2) Replace a newer Kenwood 2-din unit
3) Replace the rear wheel bearing hub assembly on both sides
4) Rotate the tires front and rear
Back to the 'few things'. First of all, the car is draggy to drive and has a lot of friction throughout the drivetrain, which is completely opposite to Corolla (almost frictionless). Second the 4G63 engine feels powerful and responsive but also slightly blocked by catalytic convertor. Third, there are three parts to the handling. The front will grip as much as it physically can. And when the front starts to slip, the rear with the help of AYC will immediate slide proportionally in order to counter-balance the understeering. This is indeed very effective for almost all kinds of corners, especially the tighter one. However all the magic is gone if one lifts off the throttle, as then one needs to catch the sliding tail. So the best thing to do is to keep the throttle pressed and let the system does its job.
The wheel hub bearing generate somewhat humming road noise especially after 70kph. The Tai Wai garage found out this afternoon that one of the rear bearing was burnt and the other started to do so. And I found the AD08 tires a bit slippery today. I wish the limit could be higher. RE11 in the calling.
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