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Re: Perth Race meeting - September 19&20
Home away from home
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Hi Guys,

Definately still on.... taking the car out there today...one less thing to do in the morning.

I will have tickets & lunch for the helpers ;)

I will be out there about 6:30am.
Drivers briefing at 7:15am
Qualifying at 8:50am

Neil, I will give you a call later today / this evening maybe?

Appreciate any help anyone can offer.

Cheers,

Mark.
0418 966 959

Posted on: 2009/9/18 3:06
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Re: Perth Race meeting - September 19&20
No life (a.k.a. DattoMaster)
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I can help out sunday

Posted on: 2009/9/18 7:38
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Re: Perth Race meeting - September 19&20
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All help is appreciated.

Give me a call when you get close to the track and I will run a pit pass down to the gate for you to get in free of charge.

Mark.
0418 966 959

Posted on: 2009/9/18 12:37
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Re: Perth Race meeting - September 19&20
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Hi guys,

Survived day one.....Just.

Qualifying was a massive anti-climax..... first lap out and I blew an intercooler pipe off = NO BOOST! end result was qualified last in position 28

The race was a different story..... lap one, and after starting from position 28, I made up 8 places on the first lap to be in position 20 by the end of the first lap. Clawed back a few more places over the next few laps before having some brake problems (ie. NO BRAKES ) coming down into Colb? corner (over the back). This resulted in a spin and dropping a couple of spots before finishing in 18th place overall.

I think the brake problems came from hitting the outside ripple strip as you come out of the right hander over the top of the hill. The ripple strip is quite an aggressive saw tooth, and I think this caused some pad knock off in the car...resulting in no brakes coming down into colb at 185kmh! Scarey stuff!

Anyway.... not a bad result in the end, but could have finished in 15th if it wasn't for the spin.

Tomorrow is a reverse grid race in the morning, so I will be starting from position 7. Need a good result so that the combined results from the two races gives me a good starting position for the final tomorrow afternoon.

With rain forecast tomorrow...it could be a very interesting day!

Huge thanks to Neil for his help today..... much appreciated.

Posted on: 2009/9/19 9:15
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Re: Perth Race meeting - September 19&20
Just can't stay away
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Your car looked great out there, that ripple strip is very agressive. I hope you get your brakes sorted for tomorow. good luck

Jeff.

P.S. Was thet Neils Grey 1000 wagon that I parked next to.

Posted on: 2009/9/19 10:53
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Re: Perth Race meeting - September 19&20
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thanks Jeff, it felt awefull.... too much power down low. I have just finished a new boost map for tomorrow which is much more progressive at partial throttle openings.

It was great to meet you, sorry I didn't have more time to chat... hopefully next time.

Posted on: 2009/9/19 11:10
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Re: Perth Race meeting - September 19&20
No life (a.k.a. DattoMaster)
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sounds like you guys are having a reasonable weekend. good luck today mate.. weather... not so good lol...

hopefully i can stop working weekend and come dow and have a look at the next meeting.

Posted on: 2009/9/20 0:15
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Re: Perth Race meeting - September 19&20
No life (a.k.a. DattoMaster)
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i hope someones been taking photos....wish i could come but after yesturday my finger feels like crap....5 stitches later it now has its own heartbeat.....

Posted on: 2009/9/20 0:29
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Re: Perth Race meeting - September 19&20
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Datski....what the hell did you do? There will be another race meeting....maybe next month, not sure yet though.

Now for the daily report.............

Day Two Report..... What a day!

Last night I re-mapped the boost curve (whilst watching some TV) and loaded it into the car this morning. Basically, I mapped the boost curve to throttle postion. In summary at 50% throttle it had approx 10psi boost, 70% throttle was about 14psi and 90% throttle about 18psi. It was progressive though, not sudden leaps.

Race 1 today was a wet track, so I softened off the shocks and pressured up the tyres, in the hope that I could get some traction. I was hoping the new boost map would also help......none of it helped at all The car was plain awful to drive, I had no hope in hell of getting any traction whatsover.... all I did for the entire race was grab the next gear....and then wait for more wheel spin again! The net result was that I started from position 7, and finished 23rd.....bloody hopeless!

Race 2 and I had re-mapped the boost curve again, this time taking out most of the boost. in fact it wouldn't give me full boost unless I was 90% throttle AND over 4,500rpm. I also got more detailed in the way the boost was delivered cross referencing Throttle position with RPM. The net result was a much improved car to drive. I also disconnected the rear sway bar to assist in the rear end grip, which also helped a lot.

The conditions for the second race were terrible, heavy rain before the race and more rain during the race made for a very wet track. Coming down the hill to the last corner (at 180kph) I couldn't see the cars in front of me, and was just hoping I would see their brake lights when they came on. A couple of laps in and the tyres started coming up to temp and I started making some progress, but the windscreen was fogging up. I loosened off the harness just enough to reach the windscreen so that I could wipe it and see where I was going.....then the safety car came out....cars were going off everywhere, and there were three in sand trap over the back of the circuit. This helped me catch back up to the field, but the tyres lost all their temp, and the restart was a bit exciting with the cold tyres. Another lap or two and the red flag came out.... for some reason, the officials decided to re-grid the field, which took a while, and again the tyres lost their temp - but we did get up to 14th position for the restart of a 2 lap dash to the finish. Again with cold tyres, I was up to 9th place, but had a brain fade on the last lap and ran very wide allowing three cars through......one more car went off on the last lap, so I finished 11th in the trophy race.

Had a great weekend overall, made some progress on playing with the power delivery of the car and got to learn the track a little more.....looking forward to the next round............

Posted on: 2009/9/20 10:18
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Re: Perth Race meeting - September 19&20
No life (a.k.a. DattoMaster)
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Well done dude, it's all learning I guess,
hope to get up there to watch the racing... :)

Posted on: 2009/9/20 10:40
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