09-01-2015
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#41
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aka Goodbye
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Re: Just finished my first endurance race in a 1g DSM!
I think the prevailing thought is to pull from the OFH, and port the relief hole to bleed off high end pressure but keep more oil pressure at idle. Without balance shafts in my car, I started with the normal port work, then really ported it as far as I could go when I was logging over 1 psi/100 rpm above 5000 rpm., brought it down exactly where I wanted it.
In your case, plenty of oil should be getting to the head to feed the turbo, but it's still not as good as the OFH. I know the high-G drag race guys are putting a small baffle on the oil pickup as well.
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2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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09-01-2015
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#42
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
our OFH is ported and our oil pressure is totally reasonable. I'll look into the OFH turbo feed... after I determine actual cause of death in my autopsy!
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Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-01-2015
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#43
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Join Date: Jul 2004
Location: MN
Drives: four tires
Posts: 1,608
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Re: Just finished my first endurance race in a 1g DSM!
Quote:
Originally Posted by s1ngletracker
-It takes maybe a minute and a half to fill the car.
-Either that or belting in the driver, we're unfortunately not as fast as we could be at that.
-Depends on the length of the race, usually tires if its a 24hr
-Cool suit ice, sometimes top off with oil (not our car though). whatever breaks
-Generally yes, if you get the right ones
-180+
You have a lot of questions! I'd highly recommend renting a seat or going to a race to crew to get a feel for what it is like. The team doesnt' need to be near you to do that.
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What are the costs involved in renting a seat?
And what type of equipment (to what extent is race atire required etc) required to purchase to be prepared?
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NSX - S480/Built motor
GSX - 571whp/490wtq
Sienna
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09-02-2015
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#44
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immune from paybans
Join Date: Oct 2005
Location: West Des Moines
Drives: poorly
Posts: 4,358
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Re: Just finished my first endurance race in a 1g DSM!
Quote:
Originally Posted by Speedfreak
What are the costs involved in renting a seat?
And what type of equipment (to what extent is race atire required etc) required to purchase to be prepared?
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I'd also like to know what the cost of renting a seat is (I would assume 300-500 range for a weekend event). I have zero wheel to wheel experience, just HPDE, and I'm not sure they'd want me since I don't think I'm a great driver by any means. I do ok in HPDE events, but mainly because the car is fast. Also, where would I find an ad for driver seats available?
Regarding equipment, assuming I'd need a full suit, I only have an SA2010 helmet right now. But I guess that is just a one time cost.
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09-02-2015
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#45
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Area code 166 represent
Join Date: Aug 2003
Location: Crystal, MN
Posts: 10,329
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Re: Just finished my first endurance race in a 1g DSM!
When I've looked it was around $400-$500 depending on the amount of racing and likely seat time and opportunity for wear on the car. Other than that it was suit and helmet rental which wasn't bad at all to avoid full purchase outright.
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'16 Focus ST - Daily Duty
'93 mr2 - Track car in progress
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09-02-2015
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#46
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
Each stint will cost you in that range. 2 stints (one per race on a 2 day race weekend) will be between 800-1200.
you can read WRL rules ( www.racewrl.com) to know the equipment requirements. In short: SA rated helmet, multi layer suit or single layer with nomex undies, gloves, shoes, socks, and I highly recommend HNR - Hans device or similar. WRL will require drivers to have them in 2016. You can share with teammates.
Also highly recommended and most teams will require - radio helmet kit, mic and earbuds in your helmet to communicate with pits. Also a cool shirt if the weather is hot.
You can find open seat postings in the forums of any of the series'. HPDE experience should be all that you need, but understand you may have to rent with a slower team to start out, most of the top teams will want friends or someone with significant racing experience.
If you guys are serious and want more detail or help with any of the above, I'd be more than happy to help. Also Paul Johansen and Shane@DB also have been racing a lot and can offer advice.
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Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
Last edited by s1ngletracker; 09-02-2015 at 10:31 AM..
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09-02-2015
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#47
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
FYI - don't race with your car that low. It borks up the suspension geometry and you get crappy tire wear and suboptimal handling  But damn it looks good!
__________________
Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-02-2015
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#48
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
And some video of my awful driving, as seen by the in-car video of an EG civic with Type R motor:
https://youtu.be/NpvPZ-crUq4
__________________
Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-03-2015
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#49
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immune from paybans
Join Date: Oct 2005
Location: West Des Moines
Drives: poorly
Posts: 4,358
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Re: Just finished my first endurance race in a 1g DSM!
Are you saying don't run a dsm as low as you have it?
I have quite a mental battle not lowering my car for looks vs performance. Everyone says they get better lap times at stock height but the couple inches of gap really bothers me. But I don't want to sacrifice performance haha. But it's so easy to lower since it has coilovers stock... Function over looks I suppose.
As for the vid, at least you stayed ahead of him for a long while, not bad at all.
Oh, and damn that video makes me want to start wheel to wheel racing!
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09-03-2015
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#50
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
Yeah I had passed him just before the video started. The civic is really fast and well set up. Apparently I lit a fire under his ass when I passed him.
Yeah, the car is too low. I was actually losing camber under suspension bump, stupid mcphearson suspension. It understeered a bit much and tire wear was not great.
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Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-03-2015
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#51
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Join Date: Jun 2004
Location: Prior Lake
Drives: Icarus
Posts: 1,375
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Re: Just finished my first endurance race in a 1g DSM!
Sounds like you guys are really close with your car, Paul! Bummer about the alternator of all the dorky things.
We're one of the cheaper WRL teams out there with our GP3 Tiburon at $600 a seat all-inclusive (including motel room, tires, race and hauler fuel), as we are trying to make it very accessible rather than outright competing at this stage of things. That being said, you are going to be substantially money ahead renting a seat for your first few races, even at 1k a race to see if you like it vs forking over the cost of developing a car for endurance.
If you have not done wheel to wheel racing before, Chump Car World Series probably makes the most sense as the series caters towards introducing new teams and drivers to endurance racing.
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"The moment money becomes your motivation, you're immediately not as good as someone who is stimulated by passion and internal will"
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09-09-2015
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#52
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
This is fun:

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Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-10-2015
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#53
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: Just finished my first endurance race in a 1g DSM!
Poop
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09-10-2015
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#54
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
valuable input, as always
__________________
Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-10-2015
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#55
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aka Goodbye
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Re: Just finished my first endurance race in a 1g DSM!
I don't know if I've ever seen that before. Did the wheel bounce around the housing before it split?
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2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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09-10-2015
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#56
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: Just finished my first endurance race in a 1g DSM!
Sorry I mean please let me buy your turbo and then lowball you because I got lost.
On topic, you might need a new turbo.
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09-10-2015
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#57
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
I think you've got the wrong guy, Aaron.
Steve: hard to say, the wheels are all banged up but looks like a more instant catastrophic failure than slow grinding of the wheel. The two halves were jammed in there so hard I had to hammer them out.
I'm thinking it is more a function of past abuse than side effects from our car. Thinking it was on a car with excessively high EGTs, which baked the wheel to a point of being very brittle, and the racing stresses were a bit more than it could handle. I really hate having to use old questionable parts, seems to always leave you guessing.
__________________
Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-10-2015
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#58
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Pewp Champion
Join Date: Nov 2003
Location: Blaine
Drives: Teh Bean
Posts: 12,309
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Re: Just finished my first endurance race in a 1g DSM!
I'd run it, let r buck.
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09-10-2015
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#59
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Join Date: Oct 2005
Location: The land of the next-gen HMMWV
Drives: A BMW
Posts: 1,875
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Re: Just finished my first endurance race in a 1g DSM!
sounds like it had about 40 hp in that state 
__________________
Style's automotive engineer
Sponsored by DB Performance (dbptuning.com)
A dsm, a bimmer, a DORGE CUMMINZ, and a non running DSM race car... for now.
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09-10-2015
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#60
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Join Date: Mar 2006
Location: Minnesota
Drives: Cars
Posts: 1,457
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Re: Just finished my first endurance race in a 1g DSM!
That happened to mine, however the nut just came loose on the compressor wheel and yeah without the turbo it had no power
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'94 Eagle Talon TSI AWD
'06 Acura TL
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