First track day prep (Sonoma Raceway Feb 9-10)
01-31-2013, 08:06 PM
#26
Looks good:
Suggestions:
Tire pressure, try 2 psi lower in the rear than the front. I have gone to 4 for balance, but 2 is good.
Traction control on, if it bumps and engages, figure out why the car thought you needed saving.
Torque wheels at the beginning of the day, and leave them alone.
Air pressure before and after each run, write it down, show instructors.
At the end of the day, after tires cool, take them back to street pressure for driving off track. Or you will wake up in the morning with 25 psi and all the TPSM sensors tripped.
If stock tires are above 300 treadware, watch them for chunking. They can only take so much.
Keep tank over a quarter tank.
you will love this car on the track. just listen to what she says.
Suggestions:
Tire pressure, try 2 psi lower in the rear than the front. I have gone to 4 for balance, but 2 is good.
Traction control on, if it bumps and engages, figure out why the car thought you needed saving.
Torque wheels at the beginning of the day, and leave them alone.
Air pressure before and after each run, write it down, show instructors.
At the end of the day, after tires cool, take them back to street pressure for driving off track. Or you will wake up in the morning with 25 psi and all the TPSM sensors tripped.
If stock tires are above 300 treadware, watch them for chunking. They can only take so much.
Keep tank over a quarter tank.
you will love this car on the track. just listen to what she says.
Last edited by cwatson; 01-31-2013 at 08:11 PM.
02-01-2013, 12:31 PM
#28
@ certain...
All cars are different. I can balance mine to the point where the DSC is truly a last ditch effort to save me. I can get a bit faster without it, but not much. I just wish it were easier to tell what out was saving me from. Today I just try the same turn without, at a slightly lower speed to see whatever the DCS corrected. I use it to test
I have trail braked corners then shifted to a full throttle apex with a decent slip angle all the way through the track out with DSC on and quiet.
On my car, the way it is set up, I am a fan.
All cars are different. I can balance mine to the point where the DSC is truly a last ditch effort to save me. I can get a bit faster without it, but not much. I just wish it were easier to tell what out was saving me from. Today I just try the same turn without, at a slightly lower speed to see whatever the DCS corrected. I use it to test
I have trail braked corners then shifted to a full throttle apex with a decent slip angle all the way through the track out with DSC on and quiet.
On my car, the way it is set up, I am a fan.
02-01-2013, 02:35 PM
#29
So I just got an email with a discount code for the aforementioned "Hyperdrive" to bring it down to $49. I'm not sure if you still need to pay for a NASA membership though which would add another $45. PM me if you want the code...
Comparing the videos to iRacing at Sonoma it looks pretty similar. There is one entry kerb missing (turn 4 I think) which presumably was added after the track was mapped for iRacing. The speeds seem reasonable too, which is not the case in most games. The thing that is missing from the game is the detail. You don't get the visual surface detail like cracks or change in texture that can be used as reference points in real life. You obviously don't get the sense of touch or balance you would in real life so I find it is harder to judge speed or grip. I also don't think you get the same variations in grip due to surface changes although it does model camber. It is a useful tool, as long as you keep in mind it is a tool. If you're trying for all out speed in the game I'm sure you can find tricks that would not work in real life (cutting kerbs is the most obvious one).
Comparing the videos to iRacing at Sonoma it looks pretty similar. There is one entry kerb missing (turn 4 I think) which presumably was added after the track was mapped for iRacing. The speeds seem reasonable too, which is not the case in most games. The thing that is missing from the game is the detail. You don't get the visual surface detail like cracks or change in texture that can be used as reference points in real life. You obviously don't get the sense of touch or balance you would in real life so I find it is harder to judge speed or grip. I also don't think you get the same variations in grip due to surface changes although it does model camber. It is a useful tool, as long as you keep in mind it is a tool. If you're trying for all out speed in the game I'm sure you can find tricks that would not work in real life (cutting kerbs is the most obvious one).
you'd really be in trouble if this was later in the year and we were doing the NASCAR track, or some other combination, the WTCC is the most fun to watch, sports car front, long 7, and then they run down to the dogleg
02-01-2013, 06:00 PM
#30
@ certain...
All cars are different. I can balance mine to the point where the DSC is truly a last ditch effort to save me. I can get a bit faster without it, but not much. I just wish it were easier to tell what out was saving me from. Today I just try the same turn without, at a slightly lower speed to see whatever the DCS corrected. I use it to test
I have trail braked corners then shifted to a full throttle apex with a decent slip angle all the way through the track out with DSC on and quiet.
On my car, the way it is set up, I am a fan.
All cars are different. I can balance mine to the point where the DSC is truly a last ditch effort to save me. I can get a bit faster without it, but not much. I just wish it were easier to tell what out was saving me from. Today I just try the same turn without, at a slightly lower speed to see whatever the DCS corrected. I use it to test
I have trail braked corners then shifted to a full throttle apex with a decent slip angle all the way through the track out with DSC on and quiet.
On my car, the way it is set up, I am a fan.
02-03-2013, 04:45 PM
#31
Well, pads and fluid are done. First time I have used speed bleeders and I have to say, I like them. Took a bit of time to fit, but once I had done that bleeding the system was really quick. Also discovered I needed to borrow a tool from pep boys to compress the rear calipers. I've now ordered myself the same set for future use. Contrary to some posts on here so far the DTC60 pads stop just as well, or perhaps better than oem from cold and have not made any noise, although I expect they will get noisy once the existing pad transfer layer wears off the discs. Feel is fantastic, probably mostly as a result of the fluid change, but also maybe a little due to less compression in the pads and the missing layer of gunk and anti vibration backing plates I removed.
I also had a look at the rear suspension when I was under the car and everything looks straight, however from the angle of the cam and toe adjustors it looks to me like there could be more camber added on the left side (both are somewhere in the middle of the adjustment range) Unless there is something else going on I'm going it put it down to brain fade at the alignment rack. The right side does appear to be correctly adjusted for minimum camber. I also realised I have 1/16" toe on EACH side while I probably should have that total (so 1/32 on each side). Nevermind... the alignment is still much beter that what it was originally set to.
I also had a look at the rear suspension when I was under the car and everything looks straight, however from the angle of the cam and toe adjustors it looks to me like there could be more camber added on the left side (both are somewhere in the middle of the adjustment range) Unless there is something else going on I'm going it put it down to brain fade at the alignment rack. The right side does appear to be correctly adjusted for minimum camber. I also realised I have 1/16" toe on EACH side while I probably should have that total (so 1/32 on each side). Nevermind... the alignment is still much beter that what it was originally set to.
Last edited by blu3dragon; 02-03-2013 at 04:59 PM.
02-03-2013, 05:15 PM
#32
@cw.
The sways I have, Progress Tech, gave me a lot more push the first time out. I started with soft on both ends and had to firm up the rear to get her to rotate. DSC does not care about push, so that was not a problem. Tracking out 10 feet to the left of the track at 95 mph was an issue. I really noticed that. Other things I noticed, the reduced "elastic potential energy" is a big win. Turn wheel, car turns. Before it was turn wheel, car rolls, wait, car turns.
DSC does care a great deal about oversteer. That seems to be what sets it off, so if you trip it, look there first.
On the progress bars. I ended up grinding away some material on the inside of the front bushings to keep the bars from sticking. I love the modified version. I suggest a good set of adjustable endlinks as well. They make it easy to change things at the track, like when you really need to dial out some understeer after traversing a field just under 100 MPH.
Interesting enough, when I went to stickier tires I had to take them back to full soft on both ends to even things out. Adjustable bars FTW.
The sways I have, Progress Tech, gave me a lot more push the first time out. I started with soft on both ends and had to firm up the rear to get her to rotate. DSC does not care about push, so that was not a problem. Tracking out 10 feet to the left of the track at 95 mph was an issue. I really noticed that. Other things I noticed, the reduced "elastic potential energy" is a big win. Turn wheel, car turns. Before it was turn wheel, car rolls, wait, car turns.
DSC does care a great deal about oversteer. That seems to be what sets it off, so if you trip it, look there first.
On the progress bars. I ended up grinding away some material on the inside of the front bushings to keep the bars from sticking. I love the modified version. I suggest a good set of adjustable endlinks as well. They make it easy to change things at the track, like when you really need to dial out some understeer after traversing a field just under 100 MPH.
Interesting enough, when I went to stickier tires I had to take them back to full soft on both ends to even things out. Adjustable bars FTW.
02-05-2013, 10:11 PM
#33
So I did the dyno run today. Not quite sure what to make of the 'W' I have at the top end?
https://www.rx8club.com/series-ii-te...1/#post4422649
EDIT: looks like it might be due to a sticky intake valve (VDI).
https://www.rx8club.com/series-ii-te...1/#post4422649
EDIT: looks like it might be due to a sticky intake valve (VDI).
Last edited by blu3dragon; 02-07-2013 at 02:15 PM.
02-08-2013, 11:21 AM
#38
02-11-2013, 05:09 PM
#39
That was fun. I need more 
The car was flawless. Can't say quite the same for the driver, but I did learn a lot and am very pleased with my progress.
No real reason to do suspension or even tires. The only thing I would do with a stock car is add a bit more camber at the rear compared to my settings.
The car was flawless. Can't say quite the same for the driver, but I did learn a lot and am very pleased with my progress.
No real reason to do suspension or even tires. The only thing I would do with a stock car is add a bit more camber at the rear compared to my settings.
Last edited by blu3dragon; 02-15-2013 at 11:28 AM.
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